Portsmouth Tides September 2025 | Tide Charts & Tables | Portsmouth Harbor, NH

Portsmouth Tide Chart for (Mon) September 1, 2025

Portsmouth tide chart for Monday, September 1, 2025
Portsmouth tides for Sep 1st, the sunrise is 6:07am-7:17pm and the tide times are L 12:24am 1'5" H 6:42am 6'3" L 12:27pm 2'0" H 6:52pm 7'3" .

Portsmouth Tide Chart for (Tue) September 2, 2025

Portsmouth tide chart for Tuesday, September 2, 2025
Portsmouth tides for Sep 2nd, the sunrise is 6:08am-7:15pm and the tide times are L 1:24am 1'5" H 7:43am 6'3" L 1:26pm 2'0" H 7:52pm 7'4" .

Portsmouth Tide Chart for (Wed) September 3, 2025

Portsmouth tide chart for Wednesday, September 3, 2025
Portsmouth tides for Sep 3rd, the sunrise is 6:09am-7:13pm and the tide times are L 2:23am 1'3" H 8:41am 6'5" L 2:24pm 1'9" H 8:48pm 7'8" .

Portsmouth Tide Chart for (Thu) September 4, 2025

Portsmouth tide chart for Thursday, September 4, 2025
Portsmouth tides for Sep 4th, the sunrise is 6:10am-7:11pm and the tide times are L 3:16am 0'11" H 9:34am 6'9" L 3:18pm 1'5" H 9:41pm 8'0" .

Portsmouth Tide Chart for (Fri) September 5, 2025

Portsmouth tide chart for Friday, September 5, 2025
Portsmouth tides for Sep 5th, the sunrise is 6:12am-7:10pm and the tide times are L 4:04am 0'6" H 10:20am 7'2" L 4:08pm 0'11" H 10:29pm 8'5" .

Portsmouth Tide Chart for (Sat) September 6, 2025

Portsmouth tide chart for Saturday, September 6, 2025
Portsmouth tides for Sep 6th, the sunrise is 6:13am-7:08pm and the tide times are L 4:47am 0'1" H 11:03am 7'8" L 4:54pm 0'5" H 11:14pm 8'9" .

Portsmouth Tide Chart for (Sun) September 7, 2025

Portsmouth tide chart for Sunday, September 7, 2025
Portsmouth tides for Sep 7th, the sunrise is 6:14am-7:06pm and the tide times are L 5:28am -0'2" H 11:44am 8'2" L 5:40pm -0'0" H 11:58pm 9'0" .

Portsmouth Tide Chart for (Mon) September 8, 2025

Portsmouth tide chart for Monday, September 8, 2025
Portsmouth tides for Sep 8th, the sunrise is 6:15am-7:05pm and the tide times are L 6:08am -0'6" H 12:25pm 8'8" L 6:25pm -0'5" .

Portsmouth Tide Chart for (Tue) September 9, 2025

Portsmouth tide chart for Tuesday, September 9, 2025
Portsmouth tides for Sep 9th, the sunrise is 6:16am-7:03pm and the tide times are H 12:44am 9'2" L 6:50am -0'7" H 1:07pm 9'0" L 7:12pm -0'8" .

Portsmouth Tide Chart for (Wed) September 10, 2025

Portsmouth tide chart for Wednesday, September 10, 2025
Portsmouth tides for Sep 10th, the sunrise is 6:17am-7:01pm and the tide times are H 1:30am 9'1" L 7:34am -0'7" H 1:51pm 9'3" L 8:01pm -0'9" .

Portsmouth Tide Chart for (Thu) September 11, 2025

Portsmouth tide chart for Thursday, September 11, 2025
Portsmouth tides for Sep 11th, the sunrise is 6:18am-6:59pm and the tide times are H 2:19am 8'10" L 8:19am -0'5" H 2:39pm 9'4" L 8:53pm -0'9" .

Portsmouth Tide Chart for (Fri) September 12, 2025

Portsmouth tide chart for Friday, September 12, 2025
Portsmouth tides for Sep 12th, the sunrise is 6:19am-6:58pm and the tide times are H 3:12am 8'6" L 9:09am -0'1" H 3:29pm 9'3" L 9:49pm -0'6" .

Portsmouth Tide Chart for (Sat) September 13, 2025

Portsmouth tide chart for Saturday, September 13, 2025
Portsmouth tides for Sep 13th, the sunrise is 6:20am-6:56pm and the tide times are H 4:08am 8'0" L 10:02am 0'3" H 4:25pm 9'0" L 10:49pm -0'2" .

Portsmouth Tide Chart for (Sun) September 14, 2025

Portsmouth tide chart for Sunday, September 14, 2025
Portsmouth tides for Sep 14th, the sunrise is 6:21am-6:54pm and the tide times are H 5:11am 7'7" L 11:02am 0'8" H 5:27pm 8'8" L 11:57pm 0'1" .

Portsmouth Tide Chart for (Mon) September 15, 2025

Portsmouth tide chart for Monday, September 15, 2025
Portsmouth tides for Sep 15th, the sunrise is 6:22am-6:52pm and the tide times are H 6:19am 7'3" L 12:09pm 1'0" H 6:36pm 8'5" .

Portsmouth Tide Chart for (Tue) September 16, 2025

Portsmouth tide chart for Tuesday, September 16, 2025
Portsmouth tides for Sep 16th, the sunrise is 6:24am-6:50pm and the tide times are L 1:07am 0'3" H 7:31am 7'2" L 1:20pm 1'1" H 7:48pm 8'3" .

Portsmouth Tide Chart for (Wed) September 17, 2025

Portsmouth tide chart for Wednesday, September 17, 2025
Portsmouth tides for Sep 17th, the sunrise is 6:25am-6:48pm and the tide times are L 2:16am 0'3" H 8:39am 7'3" L 2:29pm 1'0" H 8:56pm 8'4" .

Portsmouth Tide Chart for (Thu) September 18, 2025

Portsmouth tide chart for Thursday, September 18, 2025
Portsmouth tides for Sep 18th, the sunrise is 6:26am-6:47pm and the tide times are L 3:19am 0'2" H 9:40am 7'6" L 3:32pm 0'9" H 9:56pm 8'5" .

Portsmouth Tide Chart for (Fri) September 19, 2025

Portsmouth tide chart for Friday, September 19, 2025
Portsmouth tides for Sep 19th, the sunrise is 6:27am-6:45pm and the tide times are L 4:13am 0'1" H 10:33am 7'9" L 4:26pm 0'6" H 10:48pm 8'6" .

Portsmouth Tide Chart for (Sat) September 20, 2025

Portsmouth tide chart for Saturday, September 20, 2025
Portsmouth tides for Sep 20th, the sunrise is 6:28am-6:43pm and the tide times are L 5:00am 0'0" H 11:18am 8'0" L 5:15pm 0'3" H 11:35pm 8'6" .

Portsmouth Tide Chart for (Sun) September 21, 2025

Portsmouth tide chart for Sunday, September 21, 2025
Portsmouth tides for Sep 21st, the sunrise is 6:29am-6:41pm and the tide times are L 5:43am 0'0" H 11:59am 8'2" L 5:58pm 0'2" .

Portsmouth Tide Chart for (Mon) September 22, 2025

Portsmouth tide chart for Monday, September 22, 2025
Portsmouth tides for Sep 22nd, the sunrise is 6:30am-6:39pm and the tide times are H 12:17am 8'5" L 6:20am 0'2" H 12:36pm 8'3" L 6:39pm 0'1" .

Portsmouth Tide Chart for (Tue) September 23, 2025

Portsmouth tide chart for Tuesday, September 23, 2025
Portsmouth tides for Sep 23rd, the sunrise is 6:31am-6:38pm and the tide times are H 12:56am 8'3" L 6:56am 0'4" H 1:10pm 8'3" L 7:17pm 0'2" .

Portsmouth Tide Chart for (Wed) September 24, 2025

Portsmouth tide chart for Wednesday, September 24, 2025
Portsmouth tides for Sep 24th, the sunrise is 6:32am-6:36pm and the tide times are H 1:33am 8'0" L 7:30am 0'7" H 1:44pm 8'2" L 7:54pm 0'3" .

Portsmouth Tide Chart for (Thu) September 25, 2025

Portsmouth tide chart for Thursday, September 25, 2025
Portsmouth tides for Sep 25th, the sunrise is 6:34am-6:34pm and the tide times are H 2:10am 7'8" L 8:04am 0'11" H 2:18pm 8'0" L 8:32pm 0'6" .

Portsmouth Tide Chart for (Fri) September 26, 2025

Portsmouth tide chart for Friday, September 26, 2025
Portsmouth tides for Sep 26th, the sunrise is 6:35am-6:32pm and the tide times are H 2:49am 7'4" L 8:39am 1'2" H 2:55pm 7'10" L 9:12pm 0'9" .

Portsmouth Tide Chart for (Sat) September 27, 2025

Portsmouth tide chart for Saturday, September 27, 2025
Portsmouth tides for Sep 27th, the sunrise is 6:36am-6:30pm and the tide times are H 3:30am 7'0" L 9:18am 1'6" H 3:35pm 7'8" L 9:56pm 1'0" .

Portsmouth Tide Chart for (Sun) September 28, 2025

Portsmouth tide chart for Sunday, September 28, 2025
Portsmouth tides for Sep 28th, the sunrise is 6:37am-6:29pm and the tide times are H 4:16am 6'8" L 10:01am 1'9" H 4:20pm 7'5" L 10:45pm 1'2" .

Portsmouth Tide Chart for (Mon) September 29, 2025

Portsmouth tide chart for Monday, September 29, 2025
Portsmouth tides for Sep 29th, the sunrise is 6:38am-6:27pm and the tide times are H 5:06am 6'6" L 10:51am 1'11" H 5:12pm 7'4" L 11:40pm 1'4" .

Portsmouth Tide Chart for (Tue) September 30, 2025

Portsmouth tide chart for Tuesday, September 30, 2025
Portsmouth tides for Sep 30th, the sunrise is 6:39am-6:25pm and the tide times are H 6:02am 6'4" L 11:46am 2'0" H 6:10pm 7'3" .

Portsmouth Tide Calendar | September 2025

Sun Mon Tue Wed Thu Fri Sat
 
Portsmouth tide chart for Monday, September 1, 2025
Portsmouth tide chart for Tuesday, September 2, 2025
Portsmouth tide chart for Wednesday, September 3, 2025
Portsmouth tide chart for Thursday, September 4, 2025
Portsmouth tide chart for Friday, September 5, 2025
Portsmouth tide chart for Saturday, September 6, 2025
Portsmouth tide chart for Sunday, September 7, 2025
Portsmouth tide chart for Monday, September 8, 2025
Portsmouth tide chart for Tuesday, September 9, 2025
Portsmouth tide chart for Wednesday, September 10, 2025
Portsmouth tide chart for Thursday, September 11, 2025
Portsmouth tide chart for Friday, September 12, 2025
Portsmouth tide chart for Saturday, September 13, 2025
Portsmouth tide chart for Sunday, September 14, 2025
Portsmouth tide chart for Monday, September 15, 2025
Portsmouth tide chart for Tuesday, September 16, 2025
Portsmouth tide chart for Wednesday, September 17, 2025
Portsmouth tide chart for Thursday, September 18, 2025
Portsmouth tide chart for Friday, September 19, 2025
Portsmouth tide chart for Saturday, September 20, 2025
Portsmouth tide chart for Sunday, September 21, 2025
Portsmouth tide chart for Monday, September 22, 2025
Portsmouth tide chart for Tuesday, September 23, 2025
Portsmouth tide chart for Wednesday, September 24, 2025
Portsmouth tide chart for Thursday, September 25, 2025
Portsmouth tide chart for Friday, September 26, 2025
Portsmouth tide chart for Saturday, September 27, 2025
Portsmouth tide chart for Sunday, September 28, 2025
Portsmouth tide chart for Monday, September 29, 2025
Portsmouth tide chart for Tuesday, September 30, 2025
 

Restricted days available with membership — details below


Portsmouth Tide Table for September 2025

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

Portsmouth Textual Tide Table for September 2025


Sep 1st (Mon)
the sunrise is 6:07am-7:17pm and the tide times are L 12:24am 1'5" H 6:42am 6'3" L 12:27pm 2'0" H 6:52pm 7'3" .
Sep 2nd (Tue)
the sunrise is 6:08am-7:15pm and the tide times are L 1:24am 1'5" H 7:43am 6'3" L 1:26pm 2'0" H 7:52pm 7'4" .
Sep 3rd (Wed)
the sunrise is 6:09am-7:13pm and the tide times are L 2:23am 1'3" H 8:41am 6'5" L 2:24pm 1'9" H 8:48pm 7'8" .
Sep 4th (Thu)
the sunrise is 6:10am-7:11pm and the tide times are L 3:16am 0'11" H 9:34am 6'9" L 3:18pm 1'5" H 9:41pm 8'0" .
Sep 5th (Fri)
the sunrise is 6:12am-7:10pm and the tide times are L 4:04am 0'6" H 10:20am 7'2" L 4:08pm 0'11" H 10:29pm 8'5" .
Sep 6th (Sat)
the sunrise is 6:13am-7:08pm and the tide times are L 4:47am 0'1" H 11:03am 7'8" L 4:54pm 0'5" H 11:14pm 8'9" .
Sep 7th (Sun)
the sunrise is 6:14am-7:06pm and the tide times are L 5:28am -0'2" H 11:44am 8'2" L 5:40pm -0'0" H 11:58pm 9'0" .
Sep 8th (Mon)
the sunrise is 6:15am-7:05pm and the tide times are L 6:08am -0'6" H 12:25pm 8'8" L 6:25pm -0'5" .
Sep 9th (Tue)
the sunrise is 6:16am-7:03pm and the tide times are H 12:44am 9'2" L 6:50am -0'7" H 1:07pm 9'0" L 7:12pm -0'8" .
Sep 10th (Wed)
the sunrise is 6:17am-7:01pm and the tide times are H 1:30am 9'1" L 7:34am -0'7" H 1:51pm 9'3" L 8:01pm -0'9" .
Sep 11th (Thu)
the sunrise is 6:18am-6:59pm and the tide times are H 2:19am 8'10" L 8:19am -0'5" H 2:39pm 9'4" L 8:53pm -0'9" .
Sep 12th (Fri)
the sunrise is 6:19am-6:58pm and the tide times are H 3:12am 8'6" L 9:09am -0'1" H 3:29pm 9'3" L 9:49pm -0'6" .
Sep 13th (Sat)
the sunrise is 6:20am-6:56pm and the tide times are H 4:08am 8'0" L 10:02am 0'3" H 4:25pm 9'0" L 10:49pm -0'2" .
Sep 14th (Sun)
the sunrise is 6:21am-6:54pm and the tide times are H 5:11am 7'7" L 11:02am 0'8" H 5:27pm 8'8" L 11:57pm 0'1" .
Sep 15th (Mon)
the sunrise is 6:22am-6:52pm and the tide times are H 6:19am 7'3" L 12:09pm 1'0" H 6:36pm 8'5" .
Sep 16th (Tue)
the sunrise is 6:24am-6:50pm and the tide times are L 1:07am 0'3" H 7:31am 7'2" L 1:20pm 1'1" H 7:48pm 8'3" .
Sep 17th (Wed)
the sunrise is 6:25am-6:48pm and the tide times are L 2:16am 0'3" H 8:39am 7'3" L 2:29pm 1'0" H 8:56pm 8'4" .
Sep 18th (Thu)
the sunrise is 6:26am-6:47pm and the tide times are L 3:19am 0'2" H 9:40am 7'6" L 3:32pm 0'9" H 9:56pm 8'5" .
Sep 19th (Fri)
the sunrise is 6:27am-6:45pm and the tide times are L 4:13am 0'1" H 10:33am 7'9" L 4:26pm 0'6" H 10:48pm 8'6" .
Sep 20th (Sat)
the sunrise is 6:28am-6:43pm and the tide times are L 5:00am 0'0" H 11:18am 8'0" L 5:15pm 0'3" H 11:35pm 8'6" .
Sep 21st (Sun)
the sunrise is 6:29am-6:41pm and the tide times are L 5:43am 0'0" H 11:59am 8'2" L 5:58pm 0'2" .
Sep 22nd (Mon)
the sunrise is 6:30am-6:39pm and the tide times are H 12:17am 8'5" L 6:20am 0'2" H 12:36pm 8'3" L 6:39pm 0'1" .
Sep 23rd (Tue)
the sunrise is 6:31am-6:38pm and the tide times are H 12:56am 8'3" L 6:56am 0'4" H 1:10pm 8'3" L 7:17pm 0'2" .
Sep 24th (Wed)
the sunrise is 6:32am-6:36pm and the tide times are H 1:33am 8'0" L 7:30am 0'7" H 1:44pm 8'2" L 7:54pm 0'3" .
Sep 25th (Thu)
the sunrise is 6:34am-6:34pm and the tide times are H 2:10am 7'8" L 8:04am 0'11" H 2:18pm 8'0" L 8:32pm 0'6" .
Sep 26th (Fri)
the sunrise is 6:35am-6:32pm and the tide times are H 2:49am 7'4" L 8:39am 1'2" H 2:55pm 7'10" L 9:12pm 0'9" .
Sep 27th (Sat)
the sunrise is 6:36am-6:30pm and the tide times are H 3:30am 7'0" L 9:18am 1'6" H 3:35pm 7'8" L 9:56pm 1'0" .
Sep 28th (Sun)
the sunrise is 6:37am-6:29pm and the tide times are H 4:16am 6'8" L 10:01am 1'9" H 4:20pm 7'5" L 10:45pm 1'2" .
Sep 29th (Mon)
the sunrise is 6:38am-6:27pm and the tide times are H 5:06am 6'6" L 10:51am 1'11" H 5:12pm 7'4" L 11:40pm 1'4" .
Sep 30th (Tue)
the sunrise is 6:39am-6:25pm and the tide times are H 6:02am 6'4" L 11:46am 2'0" H 6:10pm 7'3" .

New Hampshire Tides Map

Tides map. Large blue pin with white center = this station. Small blue pin = other tide stations. Red pins = tidepools covered by this tide station.

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NOAA/NWS Forecast for Portsmouth

Last updated: June 24, 2026, 6:13 AM

Land Forecast (NHZ014)

TODAY: Patchy fog this morning. Partly sunny. Highs in the lower 80s. Northwest winds around 10 mph.

TONIGHT: Mostly clear. Lows in the upper 50s. West winds around 10 mph in the evening, becoming light and variable.

THURSDAY: Partly sunny. Highs in the lower 80s. Light and variable winds, becoming south around 10 mph in the afternoon.

THURSDAY NIGHT: Mostly cloudy. Showers likely after midnight. Lows around 60. Light and variable winds. Chance of rain 70 percent.

FRIDAY: Showers likely. Humid with highs around 80. Light and variable winds. Chance of rain 70 percent.

FRIDAY NIGHT: Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 50 percent.

SATURDAY: Partly sunny. Highs in the upper 70s.

SATURDAY NIGHT: Partly cloudy. Lows around 60.

SUNDAY: Partly sunny. Highs in the upper 70s.

SUNDAY NIGHT: Mostly clear. Lows in the lower 60s.

MONDAY: Partly sunny. Highs in the lower 80s.

MONDAY NIGHT: Partly cloudy. Lows in the mid 60s.

TUESDAY: Partly sunny. Highs in the lower 80s.

Last updated: June 24, 2026, 6:13 AM

Portsmouth Harbor Portsmouth (Guide)

Portsmouth Harbor Portsmouth delivers strong fishing for striped bass and bluefish and summer flounder from the waterfront or small boats with outgoing tides concentrating fish near the historic harbor structure. Public boat ramps at Portsmouth Harbor and the marinas provide launches slips and fuel for harbor trips targeting black sea bass and tautog. Beaches at Portsmouth waterfront and the adjacent Prescott Park and Peirce Island deliver grassy and sandy areas for family picnics swimming and light shore casting with city views. The vibrant historic port town setting makes tide planning straightforward.

New Hampshire State Parks

New Hampshire State Parks and beaches with coastal access, day use fees, and Atlantic shoreline tidepooling

NHFG

New Hampshire Fish and Game Department with current fishing regulations seasons bag size limits and area specific rules

Peirce Island Park and Trails (Other)

Public island park connected by bridge with walking trails picnic areas playgrounds and shoreline access for low tide exploration shore fishing and relaxation offering panoramic views of Portsmouth Harbor the Piscataqua River and surrounding islands. Tidal changes reveal extensive intertidal zones exposing rocks mudflats and potential for observing crabs worms and birds during low tide walks along the trails. Free parking and facilities make it a great spot for combining nature outings with tide aware activities and enjoying the scenic protected waters near historic Portsmouth.

Portsmouth Harbor Cruises and Dock (Other)

Public dock and departure point for scenic harbor cruises whale watching tours and sunset sails offering waterfront access for short term docking or observing boat activity in Portsmouth Harbor leading to the Piscataqua River and open Atlantic. Tidal ranges significantly influence navigation currents and timing of departures arrivals providing context for enjoying dynamic harbor scenery and marine traffic from the pier area. Convenient location near downtown supports combining casual waterfront visits with tide watching and exploring this historic New England port town.

Prescott Park and Waterfront (Other)

Scenic public park and waterfront in downtown Portsmouth along the Piscataqua River featuring gardens lawns amphitheater walking paths and direct harbor access for picnics relaxation shore fishing and low tide exploration with views of passing vessels and the historic working waterfront. Tidal fluctuations create dynamic river conditions exposing more nearshore areas at low tide and enhancing opportunities for observing marine life or enjoying the lively harbor atmosphere in this charming Seacoast city. Ample parking restrooms and proximity to shops restaurants and Strawbery Banke Museum make it ideal for combining casual shore time with tide monitoring and appreciating Portsmouth maritime heritage.

Prescott Park Boat Launch and Fishing Pier (Other)

Public boat launch and fishing pier area near Prescott Park providing ramp access for small craft kayaks trailered boats and elevated pier for shore fishing crabbing with views over the Piscataqua River and Portsmouth Harbor. Tidal cycles affect ramp usability water levels and currents making tide charts essential for safe launching and return while the pier offers consistent access for angling species like striped bass mackerel and bluefish. Close to park amenities it combines launch fishing opportunities with tide monitoring and proximity to downtown Portsmouth attractions.