Great Diamond Island Tides February 2021 | Tide Charts & Tables | Casco Bay, ME

Great Diamond Island Tide Chart for (Mon) February 1, 2021

Great Diamond Island tide chart for Monday, February 1, 2021
Great Diamond Island tides for Feb 1st, the sunrise is 6:57am-4:52pm and the tide times are H 1:13am 9'7" L 7:14am -0'2" H 1:26pm 10'3" L 7:43pm -0'10" .

Great Diamond Island Tide Chart for (Tue) February 2, 2021

Great Diamond Island tide chart for Tuesday, February 2, 2021
Great Diamond Island tides for Feb 2nd, the sunrise is 6:56am-4:53pm and the tide times are H 1:58am 9'9" L 8:04am -0'3" H 2:16pm 9'11" L 8:31pm -0'7" .

Great Diamond Island Tide Chart for (Wed) February 3, 2021

Great Diamond Island tide chart for Wednesday, February 3, 2021
Great Diamond Island tides for Feb 3rd, the sunrise is 6:54am-4:54pm and the tide times are H 2:47am 9'10" L 8:59am -0'2" H 3:11pm 9'6" L 9:22pm -0'3" .

Great Diamond Island Tide Chart for (Thu) February 4, 2021

Great Diamond Island tide chart for Thursday, February 4, 2021
Great Diamond Island tides for Feb 4th, the sunrise is 6:53am-4:56pm and the tide times are H 3:40am 9'10" L 9:59am -0'1" H 4:11pm 9'0" L 10:18pm 0'1" .

Great Diamond Island Tide Chart for (Fri) February 5, 2021

Great Diamond Island tide chart for Friday, February 5, 2021
Great Diamond Island tides for Feb 5th, the sunrise is 6:52am-4:57pm and the tide times are H 4:39am 9'9" L 11:04am 0'0" H 5:18pm 8'7" L 11:20pm 0'6" .

Great Diamond Island Tide Chart for (Sat) February 6, 2021

Great Diamond Island tide chart for Saturday, February 6, 2021
Great Diamond Island tides for Feb 6th, the sunrise is 6:51am-4:59pm and the tide times are H 5:42am 9'9" L 12:14pm 0'0" H 6:29pm 8'5" .

Great Diamond Island Tide Chart for (Sun) February 7, 2021

Great Diamond Island tide chart for Sunday, February 7, 2021
Great Diamond Island tides for Feb 7th, the sunrise is 6:49am-5:00pm and the tide times are L 12:26am 0'8" H 6:48am 9'10" L 1:22pm -0'1" H 7:39pm 8'5" .

Great Diamond Island Tide Chart for (Mon) February 8, 2021

Great Diamond Island tide chart for Monday, February 8, 2021
Great Diamond Island tides for Feb 8th, the sunrise is 6:48am-5:01pm and the tide times are L 1:33am 0'8" H 7:54am 10'0" L 2:26pm -0'5" H 8:43pm 8'8" .

Great Diamond Island Tide Chart for (Tue) February 9, 2021

Great Diamond Island tide chart for Tuesday, February 9, 2021
Great Diamond Island tides for Feb 9th, the sunrise is 6:47am-5:03pm and the tide times are L 2:35am 0'6" H 8:54am 10'2" L 3:24pm -0'8" H 9:39pm 8'11" .

Great Diamond Island Tide Chart for (Wed) February 10, 2021

Great Diamond Island tide chart for Wednesday, February 10, 2021
Great Diamond Island tides for Feb 10th, the sunrise is 6:46am-5:04pm and the tide times are L 3:32am 0'3" H 9:50am 10'4" L 4:16pm -0'10" H 10:30pm 9'2" .

Great Diamond Island Tide Chart for (Thu) February 11, 2021

Great Diamond Island tide chart for Thursday, February 11, 2021
Great Diamond Island tides for Feb 11th, the sunrise is 6:44am-5:05pm and the tide times are L 4:23am 0'0" H 10:39am 10'5" L 5:02pm -0'10" H 11:16pm 9'4" .

Great Diamond Island Tide Chart for (Fri) February 12, 2021

Great Diamond Island tide chart for Friday, February 12, 2021
Great Diamond Island tides for Feb 12th, the sunrise is 6:43am-5:07pm and the tide times are L 5:11am -0'0" H 11:25am 10'4" L 5:46pm -0'9" H 11:58pm 9'4" .

Great Diamond Island Tide Chart for (Sat) February 13, 2021

Great Diamond Island tide chart for Saturday, February 13, 2021
Great Diamond Island tides for Feb 13th, the sunrise is 6:41am-5:08pm and the tide times are L 5:55am -0'0" H 12:09pm 10'2" L 6:26pm -0'6" .

Great Diamond Island Tide Chart for (Sun) February 14, 2021

Great Diamond Island tide chart for Sunday, February 14, 2021
Great Diamond Island tides for Feb 14th, the sunrise is 6:40am-5:09pm and the tide times are H 12:38am 9'3" L 6:38am 0'1" H 12:50pm 9'9" L 7:05pm -0'2" .

Great Diamond Island Tide Chart for (Mon) February 15, 2021

Great Diamond Island tide chart for Monday, February 15, 2021
Great Diamond Island tides for Feb 15th, the sunrise is 6:39am-5:11pm and the tide times are H 1:17am 9'2" L 7:20am 0'3" H 1:31pm 9'4" L 7:44pm 0'2" .

Great Diamond Island Tide Chart for (Tue) February 16, 2021

Great Diamond Island tide chart for Tuesday, February 16, 2021
Great Diamond Island tides for Feb 16th, the sunrise is 6:37am-5:12pm and the tide times are H 1:55am 9'0" L 8:03am 0'6" H 2:13pm 8'11" L 8:22pm 0'7" .

Great Diamond Island Tide Chart for (Wed) February 17, 2021

Great Diamond Island tide chart for Wednesday, February 17, 2021
Great Diamond Island tides for Feb 17th, the sunrise is 6:36am-5:14pm and the tide times are H 2:35am 8'10" L 8:47am 0'10" H 2:57pm 8'4" L 9:02pm 1'1" .

Great Diamond Island Tide Chart for (Thu) February 18, 2021

Great Diamond Island tide chart for Thursday, February 18, 2021
Great Diamond Island tides for Feb 18th, the sunrise is 6:34am-5:15pm and the tide times are H 3:17am 8'7" L 9:34am 1'1" H 3:45pm 7'11" L 9:46pm 1'6" .

Great Diamond Island Tide Chart for (Fri) February 19, 2021

Great Diamond Island tide chart for Friday, February 19, 2021
Great Diamond Island tides for Feb 19th, the sunrise is 6:33am-5:16pm and the tide times are H 4:03am 8'5" L 10:27am 1'4" H 4:39pm 7'6" L 10:36pm 1'10" .

Great Diamond Island Tide Chart for (Sat) February 20, 2021

Great Diamond Island tide chart for Saturday, February 20, 2021
Great Diamond Island tides for Feb 20th, the sunrise is 6:31am-5:18pm and the tide times are H 4:54am 8'3" L 11:25am 1'6" H 5:38pm 7'3" L 11:31pm 2'1" .

Great Diamond Island Tide Chart for (Sun) February 21, 2021

Great Diamond Island tide chart for Sunday, February 21, 2021
Great Diamond Island tides for Feb 21st, the sunrise is 6:29am-5:19pm and the tide times are H 5:50am 8'3" L 12:26pm 1'5" H 6:40pm 7'3" .

Great Diamond Island Tide Chart for (Mon) February 22, 2021

Great Diamond Island tide chart for Monday, February 22, 2021
Great Diamond Island tides for Feb 22nd, the sunrise is 6:28am-5:20pm and the tide times are L 12:30am 2'1" H 6:48am 8'5" L 1:24pm 1'3" H 7:39pm 7'5" .

Great Diamond Island Tide Chart for (Tue) February 23, 2021

Great Diamond Island tide chart for Tuesday, February 23, 2021
Great Diamond Island tides for Feb 23rd, the sunrise is 6:26am-5:21pm and the tide times are L 1:27am 1'11" H 7:44am 8'9" L 2:17pm 0'10" H 8:31pm 7'9" .

Great Diamond Island Tide Chart for (Wed) February 24, 2021

Great Diamond Island tide chart for Wednesday, February 24, 2021
Great Diamond Island tides for Feb 24th, the sunrise is 6:25am-5:23pm and the tide times are L 2:19am 1'6" H 8:36am 9'2" L 3:04pm 0'4" H 9:17pm 8'3" .

Great Diamond Island Tide Chart for (Thu) February 25, 2021

Great Diamond Island tide chart for Thursday, February 25, 2021
Great Diamond Island tides for Feb 25th, the sunrise is 6:23am-5:24pm and the tide times are L 3:07am 0'11" H 9:23am 9'8" L 3:47pm -0'1" H 10:00pm 8'9" .

Great Diamond Island Tide Chart for (Fri) February 26, 2021

Great Diamond Island tide chart for Friday, February 26, 2021
Great Diamond Island tides for Feb 26th, the sunrise is 6:21am-5:25pm and the tide times are L 3:53am 0'4" H 10:07am 10'2" L 4:28pm -0'7" H 10:41pm 9'3" .

Great Diamond Island Tide Chart for (Sat) February 27, 2021

Great Diamond Island tide chart for Saturday, February 27, 2021
Great Diamond Island tides for Feb 27th, the sunrise is 6:20am-5:27pm and the tide times are L 4:37am -0'1" H 10:51am 10'6" L 5:09pm -1'0" H 11:21pm 9'9" .

Great Diamond Island Tide Chart for (Sun) February 28, 2021

Great Diamond Island tide chart for Sunday, February 28, 2021
Great Diamond Island tides for Feb 28th, the sunrise is 6:18am-5:28pm and the tide times are L 5:22am -0'7" H 11:35am 10'9" L 5:51pm -1'2" .

Great Diamond Island Tide Calendar | February 2021

Sun Mon Tue Wed Thu Fri Sat
 
 

Restricted days available with membership — details below


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

Great Diamond Island Textual Tide Table for February 2021


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

Maine 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 Great Diamond Island

Last updated: June 23, 2026, 6:02 AM

Marine Forecast (ANZ153)

ANZ153-240100-
Casco Bay-
802 AM EDT Tue Jun 23 2026

.TODAY...E winds 5 to 10 kt, becoming N late this morning and
afternoon. Seas 2 to 3 ft. Showers early this morning. Isolated
tstms this morning. Scattered showers late this morning and early
afternoon. Vsby 1 to 3 NM early this morning.
.TONIGHT...W winds around 5 kt. Seas 2 to 3 ft.
.WED...NW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft.
.THU...W winds around 5 kt, becoming S in the afternoon. Seas 2 to
3 ft.
.THU NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft. Showers likely after midnight.
.FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Showers likely. A chance
of tstms in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. A chance of showers and tstms in the evening.
.SAT...N winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft.
.SAT NIGHT...S winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.

Winds and seas higher in and near tstms.

$$

Land Forecast (MEZ023)

TODAY: Cloudy. Showers with isolated thunderstorms this morning, then scattered showers this afternoon. Highs in the lower 70s. Light and variable winds. Chance of rain 80 percent.

TONIGHT: Cloudy in the evening, then becoming partly cloudy. Patchy fog in the evening. Lows in the upper 50s. Light and variable winds.

WEDNESDAY: Mostly sunny. Highs in the lower 80s. Light and variable winds, becoming west around 10 mph in the afternoon.

WEDNESDAY NIGHT: Mostly clear. Lows in the upper 50s. Light and variable winds.

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

THURSDAY NIGHT: Partly cloudy in the evening. Showers likely after midnight. Lows in the upper 50s. Chance of rain 70 percent.

FRIDAY: Showers likely. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.

FRIDAY NIGHT: Showers likely with a chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 60 percent.

SATURDAY: Partly sunny. Highs around 80.

SATURDAY NIGHT: Partly cloudy. Lows in the upper 50s.

SUNDAY: Partly sunny. Highs in the mid 80s.

SUNDAY NIGHT: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

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

Last updated: June 23, 2026, 6:02 AM

Great Diamond Island (Guide)

Great Diamond Island on Casco Bay delivers productive fishing for striped bass and bluefish and summer flounder from the island or small boats with lower tides revealing structure for better casting. Boat ramps at Great Diamond Island and the ferry area provide easy access for bay trips targeting black sea bass and tautog. Beaches at Great Diamond Island and the adjacent island shores offer calm sand for family picnics swimming and shore casting with island views. The private island setting with ferry access enhances enjoyable tide aware days.

DMR

Maine Department of Marine Resources with current fishing regulations seasons bag size limits and area specific rules

Maine State Parks

Maine State Parks and beaches with coastal camping, reservations, day use fees, and rocky shoreline tidepooling