Boston Tides January 2021 | Tide Charts & Tables | Boston Harbor, MA

Boston Tide Chart for (Fri) January 1, 2021

Boston tide chart for Friday, January 1, 2021
Boston tides for Jan 1st, the sunrise is 7:13am-4:22pm and the tide times are H 12:29am 9'0" L 6:22am 0'8" H 12:32pm 10'6" L 6:57pm -0'6" .

Boston Tide Chart for (Sat) January 2, 2021

Boston tide chart for Saturday, January 2, 2021
Boston tides for Jan 2nd, the sunrise is 7:13am-4:23pm and the tide times are H 1:11am 9'1" L 7:06am 0'7" H 1:15pm 10'6" L 7:41pm -0'6" .

Boston Tide Chart for (Sun) January 3, 2021

Boston tide chart for Sunday, January 3, 2021
Boston tides for Jan 3rd, the sunrise is 7:13am-4:24pm and the tide times are H 1:54am 9'3" L 7:53am 0'7" H 2:02pm 10'4" L 8:26pm -0'5" .

Boston Tide Chart for (Mon) January 4, 2021

Boston tide chart for Monday, January 4, 2021
Boston tides for Jan 4th, the sunrise is 7:13am-4:25pm and the tide times are H 2:40am 9'5" L 8:43am 0'6" H 2:52pm 10'2" L 9:15pm -0'4" .

Boston Tide Chart for (Tue) January 5, 2021

Boston tide chart for Tuesday, January 5, 2021
Boston tides for Jan 5th, the sunrise is 7:13am-4:26pm and the tide times are H 3:29am 9'7" L 9:38am 0'5" H 3:46pm 9'10" L 10:06pm -0'1" .

Boston Tide Chart for (Wed) January 6, 2021

Boston tide chart for Wednesday, January 6, 2021
Boston tides for Jan 6th, the sunrise is 7:13am-4:27pm and the tide times are H 4:22am 9'9" L 10:36am 0'4" H 4:45pm 9'7" L 11:01pm 0'0" .

Boston Tide Chart for (Thu) January 7, 2021

Boston tide chart for Thursday, January 7, 2021
Boston tides for Jan 7th, the sunrise is 7:13am-4:28pm and the tide times are H 5:18am 10'0" L 11:37am 0'2" H 5:47pm 9'4" L 11:58pm 0'2" .

Boston Tide Chart for (Fri) January 8, 2021

Boston tide chart for Friday, January 8, 2021
Boston tides for Jan 8th, the sunrise is 7:13am-4:29pm and the tide times are H 6:15am 10'4" L 12:40pm -0'0" H 6:50pm 9'3" .

Boston Tide Chart for (Sat) January 9, 2021

Boston tide chart for Saturday, January 9, 2021
Boston tides for Jan 9th, the sunrise is 7:12am-4:30pm and the tide times are L 12:57am 0'2" H 7:14am 10'7" L 1:42pm -0'5" H 7:54pm 9'3" .

Boston Tide Chart for (Sun) January 10, 2021

Boston tide chart for Sunday, January 10, 2021
Boston tides for Jan 10th, the sunrise is 7:12am-4:31pm and the tide times are L 1:56am 0'2" H 8:12am 10'11" L 2:41pm -0'9" H 8:55pm 9'4" .

Boston Tide Chart for (Mon) January 11, 2021

Boston tide chart for Monday, January 11, 2021
Boston tides for Jan 11th, the sunrise is 7:12am-4:32pm and the tide times are L 2:52am 0'1" H 9:09am 11'2" L 3:38pm -1'1" H 9:53pm 9'6" .

Boston Tide Chart for (Tue) January 12, 2021

Boston tide chart for Tuesday, January 12, 2021
Boston tides for Jan 12th, the sunrise is 7:11am-4:33pm and the tide times are L 3:47am -0'0" H 10:04am 11'4" L 4:32pm -1'3" H 10:47pm 9'8" .

Boston Tide Chart for (Wed) January 13, 2021

Boston tide chart for Wednesday, January 13, 2021
Boston tides for Jan 13th, the sunrise is 7:11am-4:34pm and the tide times are L 4:40am -0'1" H 10:56am 11'4" L 5:22pm -1'3" H 11:38pm 9'8" .

Boston Tide Chart for (Thu) January 14, 2021

Boston tide chart for Thursday, January 14, 2021
Boston tides for Jan 14th, the sunrise is 7:11am-4:36pm and the tide times are L 5:31am -0'1" H 11:46am 11'2" L 6:10pm -1'1" .

Boston Tide Chart for (Fri) January 15, 2021

Boston tide chart for Friday, January 15, 2021
Boston tides for Jan 15th, the sunrise is 7:10am-4:37pm and the tide times are H 12:26am 9'8" L 6:19am 0'0" H 12:34pm 10'11" L 6:56pm -0'10" .

Boston Tide Chart for (Sat) January 16, 2021

Boston tide chart for Saturday, January 16, 2021
Boston tides for Jan 16th, the sunrise is 7:10am-4:38pm and the tide times are H 1:12am 9'7" L 7:08am 0'2" H 1:21pm 10'6" L 7:42pm -0'5" .

Boston Tide Chart for (Sun) January 17, 2021

Boston tide chart for Sunday, January 17, 2021
Boston tides for Jan 17th, the sunrise is 7:09am-4:39pm and the tide times are H 1:58am 9'5" L 7:56am 0'6" H 2:08pm 10'0" L 8:26pm -0'0" .

Boston Tide Chart for (Mon) January 18, 2021

Boston tide chart for Monday, January 18, 2021
Boston tides for Jan 18th, the sunrise is 7:09am-4:40pm and the tide times are H 2:43am 9'3" L 8:44am 0'10" H 2:56pm 9'5" L 9:11pm 0'5" .

Boston Tide Chart for (Tue) January 19, 2021

Boston tide chart for Tuesday, January 19, 2021
Boston tides for Jan 19th, the sunrise is 7:08am-4:42pm and the tide times are H 3:29am 9'0" L 9:34am 1'1" H 3:46pm 8'11" L 9:58pm 0'11" .

Boston Tide Chart for (Wed) January 20, 2021

Boston tide chart for Wednesday, January 20, 2021
Boston tides for Jan 20th, the sunrise is 7:07am-4:43pm and the tide times are H 4:17am 8'10" L 10:27am 1'4" H 4:38pm 8'5" L 10:47pm 1'4" .

Boston Tide Chart for (Thu) January 21, 2021

Boston tide chart for Thursday, January 21, 2021
Boston tides for Jan 21st, the sunrise is 7:07am-4:44pm and the tide times are H 5:06am 8'9" L 11:22am 1'6" H 5:34pm 8'1" L 11:38pm 1'8" .

Boston Tide Chart for (Fri) January 22, 2021

Boston tide chart for Friday, January 22, 2021
Boston tides for Jan 22nd, the sunrise is 7:06am-4:45pm and the tide times are H 5:57am 8'9" L 12:19pm 1'6" H 6:31pm 7'10" .

Boston Tide Chart for (Sat) January 23, 2021

Boston tide chart for Saturday, January 23, 2021
Boston tides for Jan 23rd, the sunrise is 7:05am-4:47pm and the tide times are L 12:30am 1'10" H 6:50am 8'10" L 1:15pm 1'4" H 7:28pm 7'10" .

Boston Tide Chart for (Sun) January 24, 2021

Boston tide chart for Sunday, January 24, 2021
Boston tides for Jan 24th, the sunrise is 7:04am-4:48pm and the tide times are L 1:23am 1'10" H 7:41am 9'0" L 2:08pm 1'1" H 8:23pm 7'11" .

Boston Tide Chart for (Mon) January 25, 2021

Boston tide chart for Monday, January 25, 2021
Boston tides for Jan 25th, the sunrise is 7:04am-4:49pm and the tide times are L 2:13am 1'8" H 8:31am 9'4" L 2:58pm 0'8" H 9:12pm 8'2" .

Boston Tide Chart for (Tue) January 26, 2021

Boston tide chart for Tuesday, January 26, 2021
Boston tides for Jan 26th, the sunrise is 7:03am-4:50pm and the tide times are L 3:02am 1'5" H 9:18am 9'8" L 3:43pm 0'3" H 9:58pm 8'6" .

Boston Tide Chart for (Wed) January 27, 2021

Boston tide chart for Wednesday, January 27, 2021
Boston tides for Jan 27th, the sunrise is 7:02am-4:52pm and the tide times are L 3:48am 1'1" H 10:03am 10'1" L 4:27pm -0'1" H 10:42pm 8'9" .

Boston Tide Chart for (Thu) January 28, 2021

Boston tide chart for Thursday, January 28, 2021
Boston tides for Jan 28th, the sunrise is 7:01am-4:53pm and the tide times are L 4:32am 0'8" H 10:46am 10'5" L 5:09pm -0'5" H 11:23pm 9'2" .

Boston Tide Chart for (Fri) January 29, 2021

Boston tide chart for Friday, January 29, 2021
Boston tides for Jan 29th, the sunrise is 7:00am-4:54pm and the tide times are L 5:16am 0'4" H 11:29am 10'9" L 5:51pm -0'9" .

Boston Tide Chart for (Sat) January 30, 2021

Boston tide chart for Saturday, January 30, 2021
Boston tides for Jan 30th, the sunrise is 6:59am-4:56pm and the tide times are H 12:04am 9'6" L 6:00am 0'0" H 12:12pm 10'11" L 6:33pm -1'0" .

Boston Tide Chart for (Sun) January 31, 2021

Boston tide chart for Sunday, January 31, 2021
Boston tides for Jan 31st, the sunrise is 6:58am-4:57pm and the tide times are H 12:46am 9'9" L 6:46am -0'2" H 12:56pm 10'11" L 7:17pm -1'0" .

Boston Tide Calendar | January 2021

Sun Mon Tue Wed Thu Fri Sat
 
Boston tide chart for Friday, January 1, 2021
Boston tide chart for Saturday, January 2, 2021
Boston tide chart for Sunday, January 3, 2021
Boston tide chart for Monday, January 4, 2021
Boston tide chart for Tuesday, January 5, 2021
Boston tide chart for Wednesday, January 6, 2021
Boston tide chart for Thursday, January 7, 2021
Boston tide chart for Friday, January 8, 2021
Boston tide chart for Saturday, January 9, 2021
Boston tide chart for Sunday, January 10, 2021
Boston tide chart for Monday, January 11, 2021
Boston tide chart for Tuesday, January 12, 2021
Boston tide chart for Wednesday, January 13, 2021
Boston tide chart for Thursday, January 14, 2021
Boston tide chart for Friday, January 15, 2021
Boston tide chart for Saturday, January 16, 2021
Boston tide chart for Sunday, January 17, 2021
Boston tide chart for Monday, January 18, 2021
Boston tide chart for Tuesday, January 19, 2021
Boston tide chart for Wednesday, January 20, 2021
Boston tide chart for Thursday, January 21, 2021
Boston tide chart for Friday, January 22, 2021
Boston tide chart for Saturday, January 23, 2021
Boston tide chart for Sunday, January 24, 2021
Boston tide chart for Monday, January 25, 2021
Boston tide chart for Tuesday, January 26, 2021
Boston tide chart for Wednesday, January 27, 2021
Boston tide chart for Thursday, January 28, 2021
Boston tide chart for Friday, January 29, 2021
Boston tide chart for Saturday, January 30, 2021
Boston tide chart for Sunday, January 31, 2021
 

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Boston Tide Table for January 2021

View tide tables in a column-row format below, with a "diff" column to spot large tide height swings—great for anglers. Scroll down for a textual format, ideal for reading or sharing.

- diff Tides diff Tides diff Tides diff Tides diff Sun Moon
1/1 N/A H 9'0" 12:29AM 8'3" L 0'8" 6:22AM 9'9" H 10'6" 12:32PM 11'0" L -0'6" 6:57PM 9'7" 07:13-16:22 18:58-09:18
1/2 9'7" H 9'1" 1:11AM 8'5" L 0'7" 7:06AM 9'10" H 10'6" 1:15PM 11'0" L -0'6" 7:41PM 9'9" 07:13-16:23 20:07-09:54
1/3 9'9" H 9'3" 1:54AM 8'8" L 0'7" 7:53AM 9'9" H 10'4" 2:02PM 10'10" L -0'5" 8:26PM 9'10" 07:13-16:24 21:18-10:25
1/4 9'10" H 9'5" 2:40AM 8'10" L 0'6" 8:43AM 9'7" H 10'2" 2:52PM 10'6" L -0'4" 9:15PM 9'11" 07:13-16:25 22:29-10:53
1/5 9'11" H 9'7" 3:29AM 9'1" L 0'5" 9:38AM 9'4" H 9'10" 3:46PM 10'0" L -0'1" 10:06PM 9'11" 07:13-16:26 23:41-11:20
1/6 9'11" H 9'9" 4:22AM 9'5" L 0'4" 10:36AM 9'2" H 9'7" 4:45PM 9'6" L 0'0" 11:01PM 10'0" 07:13-16:27 00:00-11:45
1/7 10'0" H 10'0" 5:18AM 9'10" L 0'2" 11:37AM 9'2" H 9'4" 5:47PM 9'2" L 0'2" 11:58PM 10'2" 07:13-16:28 00:53-12:13
1/8 10'2" H 10'4" 6:15AM 10'5" L -0'0" 12:40PM 9'4" H 9'3" 6:50PM 9'0" - - - - 07:13-16:29 02:07-12:43
1/9 9'0" L 0'2" 12:57AM 10'4" H 10'7" 7:14AM 11'0" L -0'5" 1:42PM 9'8" H 9'3" 7:54PM 9'0" 07:12-16:30 03:23-13:19
1/10 9'0" L 0'2" 1:56AM 10'9" H 10'11" 8:12AM 11'8" L -0'9" 2:41PM 10'2" H 9'4" 8:55PM 9'3" 07:12-16:31 04:38-14:02
1/11 9'3" L 0'1" 2:52AM 11'1" H 11'2" 9:09AM 12'3" L -1'1" 3:38PM 10'7" H 9'6" 9:53PM 9'7" 07:12-16:32 05:50-14:54
1/12 9'7" L -0'0" 3:47AM 11'4" H 11'4" 10:04AM 12'7" L -1'3" 4:32PM 10'11" H 9'8" 10:47PM 9'9" 07:11-16:33 06:54-15:55
1/13 9'9" L -0'1" 4:40AM 11'6" H 11'4" 10:56AM 12'8" L -1'3" 5:22PM 11'0" H 9'8" 11:38PM 9'10" 07:11-16:34 07:48-17:03
1/14 9'10" L -0'1" 5:31AM 11'4" H 11'2" 11:46AM 12'4" L -1'1" 6:10PM 10'10" - - - - 07:11-16:36 08:32-18:12
1/15 10'10" H 9'8" 12:26AM 9'8" L 0'0" 6:19AM 10'11" H 10'11" 12:34PM 11'10" L -0'10" 6:56PM 10'5" 07:10-16:37 09:08-19:21
1/16 10'5" H 9'7" 1:12AM 9'4" L 0'2" 7:08AM 10'3" H 10'6" 1:21PM 11'0" L -0'5" 7:42PM 9'11" 07:10-16:38 09:37-20:27
1/17 9'11" H 9'5" 1:58AM 8'10" L 0'6" 7:56AM 9'6" H 10'0" 2:08PM 10'0" L -0'0" 8:26PM 9'3" 07:09-16:39 10:03-21:31
1/18 9'3" H 9'3" 2:43AM 8'4" L 0'10" 8:44AM 8'7" H 9'5" 2:56PM 8'11" L 0'5" 9:11PM 8'6" 07:09-16:40 10:25-22:33
1/19 8'6" H 9'0" 3:29AM 7'10" L 1'1" 9:34AM 7'9" H 8'11" 3:46PM 7'11" L 0'11" 9:58PM 7'11" 07:08-16:42 10:47-23:33
1/20 7'11" H 8'10" 4:17AM 7'5" L 1'4" 10:27AM 7'0" H 8'5" 4:38PM 7'0" L 1'4" 10:47PM 7'4" 07:07-16:43 11:08-00:00
1/21 7'4" H 8'9" 5:06AM 7'3" L 1'6" 11:22AM 6'6" H 8'1" 5:34PM 6'4" L 1'8" 11:38PM 7'0" 07:07-16:44 11:32-00:33
1/22 7'0" H 8'9" 5:57AM 7'3" L 1'6" 12:19PM 6'4" H 7'10" 6:31PM 6'0" - - - - 07:06-16:45 11:57-01:34
1/23 6'0" L 1'10" 12:30AM 7 H 8'10" 6:50AM 7'6" L 1'4" 1:15PM 6'5" H 7'10" 7:28PM 5'11" 07:05-16:47 12:27-02:35
1/24 5'11" L 1'10" 1:23AM 7'2" H 9'0" 7:41AM 7'11" L 1'1" 2:08PM 6'10" H 7'11" 8:23PM 6'3" 07:04-16:48 13:02-03:37
1/25 6'3" L 1'8" 2:13AM 7'8" H 9'4" 8:31AM 8'7" L 0'8" 2:58PM 7'5" H 8'2" 9:12PM 6'9" 07:04-16:49 13:45-04:38
1/26 6'9" L 1'5" 3:02AM 8'3" H 9'8" 9:18AM 9'5" L 0'3" 3:43PM 8'2" H 8'6" 9:58PM 7'4" 07:03-16:50 14:37-05:36
1/27 7'4" L 1'1" 3:48AM 9'0" H 10'1" 10:03AM 10'2" L -0'1" 4:27PM 8'11" H 8'9" 10:42PM 8'1" 07:02-16:52 15:37-06:28
1/28 8'1" L 0'8" 4:32AM 9'8" H 10'5" 10:46AM 10'11" L -0'5" 5:09PM 9'7" H 9'2" 11:23PM 8'9" 07:01-16:53 16:43-07:14
1/29 8'9" L 0'4" 5:16AM 10'4" H 10'9" 11:29AM 11'6" L -0'9" 5:51PM 10'3" - - - - 07:00-16:54 17:54-07:53
1/30 10'3" H 9'6" 12:04AM 9'5" L 0'0" 6:00AM 10'10" H 10'11" 12:12PM 11'11" L -1'0" 6:33PM 10'9" 06:59-16:56 19:06-08:27
1/31 10'9" H 9'9" 12:46AM 9'11" L -0'2" 6:46AM 11'1" H 10'11" 12:56PM 11'11" L -1'0" 7:17PM N/A 06:58-16:57 20:19-08:56

Boston Textual Tide Table for January 2021


Jan 1st (Fri)
the sunrise is 7:13am-4:22pm and the tide times are H 12:29am 9'0" L 6:22am 0'8" H 12:32pm 10'6" L 6:57pm -0'6" .
Jan 2nd (Sat)
the sunrise is 7:13am-4:23pm and the tide times are H 1:11am 9'1" L 7:06am 0'7" H 1:15pm 10'6" L 7:41pm -0'6" .
Jan 3rd (Sun)
the sunrise is 7:13am-4:24pm and the tide times are H 1:54am 9'3" L 7:53am 0'7" H 2:02pm 10'4" L 8:26pm -0'5" .
Jan 4th (Mon)
the sunrise is 7:13am-4:25pm and the tide times are H 2:40am 9'5" L 8:43am 0'6" H 2:52pm 10'2" L 9:15pm -0'4" .
Jan 5th (Tue)
the sunrise is 7:13am-4:26pm and the tide times are H 3:29am 9'7" L 9:38am 0'5" H 3:46pm 9'10" L 10:06pm -0'1" .
Jan 6th (Wed)
the sunrise is 7:13am-4:27pm and the tide times are H 4:22am 9'9" L 10:36am 0'4" H 4:45pm 9'7" L 11:01pm 0'0" .
Jan 7th (Thu)
the sunrise is 7:13am-4:28pm and the tide times are H 5:18am 10'0" L 11:37am 0'2" H 5:47pm 9'4" L 11:58pm 0'2" .
Jan 8th (Fri)
the sunrise is 7:13am-4:29pm and the tide times are H 6:15am 10'4" L 12:40pm -0'0" H 6:50pm 9'3" .
Jan 9th (Sat)
the sunrise is 7:12am-4:30pm and the tide times are L 12:57am 0'2" H 7:14am 10'7" L 1:42pm -0'5" H 7:54pm 9'3" .
Jan 10th (Sun)
the sunrise is 7:12am-4:31pm and the tide times are L 1:56am 0'2" H 8:12am 10'11" L 2:41pm -0'9" H 8:55pm 9'4" .
Jan 11th (Mon)
the sunrise is 7:12am-4:32pm and the tide times are L 2:52am 0'1" H 9:09am 11'2" L 3:38pm -1'1" H 9:53pm 9'6" .
Jan 12th (Tue)
the sunrise is 7:11am-4:33pm and the tide times are L 3:47am -0'0" H 10:04am 11'4" L 4:32pm -1'3" H 10:47pm 9'8" .
Jan 13th (Wed)
the sunrise is 7:11am-4:34pm and the tide times are L 4:40am -0'1" H 10:56am 11'4" L 5:22pm -1'3" H 11:38pm 9'8" .
Jan 14th (Thu)
the sunrise is 7:11am-4:36pm and the tide times are L 5:31am -0'1" H 11:46am 11'2" L 6:10pm -1'1" .
Jan 15th (Fri)
the sunrise is 7:10am-4:37pm and the tide times are H 12:26am 9'8" L 6:19am 0'0" H 12:34pm 10'11" L 6:56pm -0'10" .
Jan 16th (Sat)
the sunrise is 7:10am-4:38pm and the tide times are H 1:12am 9'7" L 7:08am 0'2" H 1:21pm 10'6" L 7:42pm -0'5" .
Jan 17th (Sun)
the sunrise is 7:09am-4:39pm and the tide times are H 1:58am 9'5" L 7:56am 0'6" H 2:08pm 10'0" L 8:26pm -0'0" .
Jan 18th (Mon)
the sunrise is 7:09am-4:40pm and the tide times are H 2:43am 9'3" L 8:44am 0'10" H 2:56pm 9'5" L 9:11pm 0'5" .
Jan 19th (Tue)
the sunrise is 7:08am-4:42pm and the tide times are H 3:29am 9'0" L 9:34am 1'1" H 3:46pm 8'11" L 9:58pm 0'11" .
Jan 20th (Wed)
the sunrise is 7:07am-4:43pm and the tide times are H 4:17am 8'10" L 10:27am 1'4" H 4:38pm 8'5" L 10:47pm 1'4" .
Jan 21st (Thu)
the sunrise is 7:07am-4:44pm and the tide times are H 5:06am 8'9" L 11:22am 1'6" H 5:34pm 8'1" L 11:38pm 1'8" .
Jan 22nd (Fri)
the sunrise is 7:06am-4:45pm and the tide times are H 5:57am 8'9" L 12:19pm 1'6" H 6:31pm 7'10" .
Jan 23rd (Sat)
the sunrise is 7:05am-4:47pm and the tide times are L 12:30am 1'10" H 6:50am 8'10" L 1:15pm 1'4" H 7:28pm 7'10" .
Jan 24th (Sun)
the sunrise is 7:04am-4:48pm and the tide times are L 1:23am 1'10" H 7:41am 9'0" L 2:08pm 1'1" H 8:23pm 7'11" .
Jan 25th (Mon)
the sunrise is 7:04am-4:49pm and the tide times are L 2:13am 1'8" H 8:31am 9'4" L 2:58pm 0'8" H 9:12pm 8'2" .
Jan 26th (Tue)
the sunrise is 7:03am-4:50pm and the tide times are L 3:02am 1'5" H 9:18am 9'8" L 3:43pm 0'3" H 9:58pm 8'6" .
Jan 27th (Wed)
the sunrise is 7:02am-4:52pm and the tide times are L 3:48am 1'1" H 10:03am 10'1" L 4:27pm -0'1" H 10:42pm 8'9" .
Jan 28th (Thu)
the sunrise is 7:01am-4:53pm and the tide times are L 4:32am 0'8" H 10:46am 10'5" L 5:09pm -0'5" H 11:23pm 9'2" .
Jan 29th (Fri)
the sunrise is 7:00am-4:54pm and the tide times are L 5:16am 0'4" H 11:29am 10'9" L 5:51pm -0'9" .
Jan 30th (Sat)
the sunrise is 6:59am-4:56pm and the tide times are H 12:04am 9'6" L 6:00am 0'0" H 12:12pm 10'11" L 6:33pm -1'0" .
Jan 31st (Sun)
the sunrise is 6:58am-4:57pm and the tide times are H 12:46am 9'9" L 6:46am -0'2" H 12:56pm 10'11" L 7:17pm -1'0" .

Massachusetts Tides Map

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NOAA/NWS Forecast for Boston | Extreme Heat Watch

Last updated: June 29, 2026, 12:02 AM

Extreme Heat Watch

Extreme Heat Watch issued June 29 at 2:00AM EDT until July 3 at 8:00PM EDT by NWS Boston/Norton MA

* WHAT...Dangerously hot conditions with heat index values up to 111
possible.

* WHERE...Portions of northern Connecticut, the majority of
Massachusetts, and Rhode Island.

* WHEN...From Wednesday morning through Friday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

Effective: June 29, 2026, 6:00 AM

Expires: June 29, 2026, 9:00 PM

Marine Forecast (ANZ230)

ANZ230-291800-
Boston Harbor-
105 AM EDT Mon Jun 29 2026

.REST OF TONIGHT...W winds around 5 kt. Waves 1 foot or less.
Patchy fog. Vsby 1 NM or less.
.MON...N winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less. Patchy fog in the morning with vsby 1 NM or less.
.MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Waves 1 foot or less.
.TUE...SW winds around 5 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Waves 1 foot or less, then around 2 ft
in the afternoon.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Showers likely.
.WED...SW winds 10 to 15 kt. Waves around 2 ft. A chance of
showers in the morning.
.WED NIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.THU AND THU NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A
chance of showers.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

Land Forecast (MAZ015)

REST OF TONIGHT: Mostly cloudy. Patchy fog. Near steady temperature in the mid 60s. West winds around 5 mph.

MONDAY: Mostly sunny. Patchy fog in the morning. Highs in the upper 70s. North winds around 5 mph, becoming east in the afternoon.

MONDAY NIGHT: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Southeast winds around 5 mph, becoming southwest after midnight.

TUESDAY: Mostly sunny. Warmer with highs around 90. Southwest winds around 5 mph, increasing to 10 to 15 mph in the afternoon.

TUESDAY NIGHT: Showers likely. Lows in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 70 percent.

WEDNESDAY: Partly sunny with a 40 percent chance of showers. Hot with highs in the mid 90s. Heat index values up to 105 in the afternoon.

WEDNESDAY NIGHT: Partly cloudy. Lows in the mid 70s. Heat index values up to 100 early in the evening.

THURSDAY AND THURSDAY NIGHT: Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105.

FRIDAY AND FRIDAY NIGHT: Partly cloudy. A chance of showers. Hot. Highs in the upper 90s. Lows in the lower 70s. Chance of rain 30 percent. Heat index values up to 105.

INDEPENDENCE DAY: Partly sunny with a chance of showers. Hot with highs around 90. Chance of rain 50 percent.

SATURDAY NIGHT: Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.

SUNDAY: Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 40 percent.

Last updated: June 29, 2026, 12:02 AM

Boston (Guide)

Boston on Boston Harbor delivers excellent fishing for striped bass and bluefish and summer flounder and tautog from the waterfront or small boats with outgoing tides concentrating fish near the channels and structure for stronger bites. Public boat ramps at Boston Harbor and the city marinas provide convenient launches slips and fuel for harbor trips targeting black sea bass. Beaches at Boston Harbor waterfront parks and the adjacent Spectacle Island and Lovells Island deliver calm sand for family picnics swimming and light shore casting with city skyline views. The historic harbor city setting with easy access makes tide planning simple and rewarding.

DMF

Massachusetts Division of Marine Fisheries with current fishing regulations seasons bag size limits and area specific rules

Massachusetts State Parks

Massachusetts State Parks and beaches with coastal camping, reservations, day use fees, and excellent tidepooling

Boston Harbor Cruises and Waterfront (Other)

Public waterfront piers and departure points for harbor cruises whale watching tours and sightseeing boats offering short term docking observation of harbor activity and views of the skyline historic ships and Boston Harbor Islands. Tidal ranges influence water levels docking operations and timing of departures providing dynamic scenery for enjoying the working port from the piers. Convenient to downtown Boston it supports combining casual waterfront visits with tide watching and exploring this iconic New England harbor.

Boston Harbormaster Office (Other)

Official harbormaster for Boston Harbor managing mooring permits navigation safety transient docking regulations and harbor operations in this busy commercial recreational and historic port. Contact via VHF Channel 16 or phone for assistance with tide dependent access strong currents and rules affecting boating docking and activities in the inner harbor and approaches to Massachusetts Bay. Essential resource for boaters combining harbor coordination with tide monitoring and proximity to downtown Boston attractions.

Fan Pier Park and Waterfront (Other)

Public park and waterfront promenade along Boston Harbor in the Seaport District featuring grassy areas benches walking paths and direct access for shore relaxation picnics and low tide views of the harbor skyline and passing vessels. Tidal fluctuations reveal changing water levels and enhance scenic strolls photography and observation of marine traffic in this urban waterfront setting. Ample parking and proximity to restaurants museums and marinas make it a top spot for combining casual shore time with tide monitoring and enjoying Boston's modern harborfront.

Long Wharf and Custom House Waterfront (Other)

Historic public wharf and waterfront in downtown Boston offering pedestrian access short term docking viewing of tall ships and harbor activity with nearby attractions like the New England Aquarium Faneuil Hall and waterfront restaurants. Tidal cycles affect water levels along the wharf and enhance opportunities for observing the busy harbor from this central location. Convenient location supports combining waterfront strolls with tide watching and appreciating Boston's rich maritime history and scenic inner harbor.