Latest Tide Table

Tide Times for Castle Island, Boston Harbor

Lat Long: 42.33° N 71.02° W

Today's tide times for Castle Island, Boston Harbor, Massachusetts

The predicted tide times today on Wednesday 29 April 2026 for Castle Island, Boston Harbor are: first low tide at 4:26am, first high tide at 10:38am, second low tide at 4:40pm, second high tide at 10:54pm. Sunrise is at 5:42am and sunset is at 7:41pm.

Today's tide times for Castle Island, Boston Harbor: Wednesday 29 April 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 4:26 AM(Wed 29 April)0.36 ft (0.11 m)
High Tide10:38 AM(Wed 29 April)9.51 ft (2.9 m)
Low Tide 4:40 PM(Wed 29 April)0.65 ft (0.2 m)
High Tide10:54 PM(Wed 29 April)10.14 ft (3.09 m)
Tide Datum: -
TideHigh
TideLow
Tide Rising
  • Wind Speed
    -
  • Swell
    —
  • Weather
High tide in:
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Next Tide State HIGH TIDE in Castle Island, Boston Harbor is at
which is in from now.
Next Tide Falling LOW TIDE in Castle Island, Boston Harbor is at
which is in from now.
The tide is .Tide state rising
Local time:

Tide chart for Castle Island, Boston HarborShowing low and high tide times for the next 30 days at Castle Island, Boston Harbor. Tide Times are EDT (UTC -4.0hrs).

View Castle Island, Boston Harbor 7 Day Tide Chart Image.

Castle Island, Boston Harbor, Massachusetts Tide Chart including high and low tide times for the next 7 days
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Click Tap Expand to expand the day into detailed view, Click Tap any to view the height and time.

HIGH
(EDT)
LOW
(EDT)
Sun
Moon
Set
Rise
Wind

Wednesday, 29 Apr
30 Apr
1 May
2 May
3 May
4 May
5 May
6 May
7 May
8 May
9 May
10 May
11 May
12 May
13 May
14 May
15 May
16 May
17 May
18 May
19 May
20 May
21 May
22 May
23 May
24 May
25 May
26 May
27 May
AMPMThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWed
10:38AM2.90m
10:54PM3.09m
11:23AM2.89m
11:33PM3.13m
12:04PM2.86m
00:10AM3.13m
12:43PM2.82m
00:46AM3.12m
1:22PM2.77m
1:24AM3.08m
2:01PM2.70m
2:03AM3.02m
2:42PM2.63m
2:45AM2.95m
3:26PM2.56m
3:29AM2.87m
4:13PM2.51m
4:17AM2.80m
5:02PM2.48m
5:09AM2.75m
5:53PM2.51m
6:03AM2.72m
6:44PM2.60m
6:58AM2.74m
7:35PM2.74m
7:54AM2.79m
8:24PM2.91m
8:48AM2.87m
9:12PM3.11m
9:41AM2.96m
9:59PM3.31m
10:34AM3.04m
10:48PM3.48m
11:26AM3.10m
11:37PM3.61m
12:17PM3.13m
00:27AM3.66m
1:10PM3.11m
1:19AM3.65m
2:05PM3.07m
2:14AM3.56m
3:01PM3.00m
3:11AM3.42m
4:00PM2.93m
4:12AM3.26m
5:01PM2.88m
5:15AM3.08m
6:03PM2.87m
6:20AM2.94m
7:03PM2.89m
7:25AM2.83m
8:00PM2.93m
8:26AM2.76m
8:53PM2.97m
9:23AM2.72m
9:40PM3.01m
4:26AM0.11m
4:40PM0.20m
5:11AM0.04m
5:21PM0.23m
5:52AM-0.01m
5:59PM0.27m
6:31AM-0.01m
6:37PM0.31m
7:10AM0.01m
7:16PM0.37m
7:49AM0.06m
7:55PM0.43m
8:30AM0.14m
8:37PM0.50m
9:13AM0.22m
9:21PM0.57m
9:58AM0.30m
10:08PM0.63m
10:46AM0.36m
10:59PM0.66m
11:36AM0.39m
11:53PM0.65m
12:28PM0.38m
00:50AM0.57m
1:19PM0.34m
1:46AM0.43m
2:11PM0.27m
2:41AM0.24m
3:01PM0.18m
3:34AM0.02m
3:50PM0.08m
4:25AM-0.19m
4:39PM0.00m
5:17AM-0.37m
5:28PM-0.05m
6:08AM-0.48m
6:18PM-0.08m
6:59AM-0.52m
7:10PM-0.05m
7:52AM-0.48m
8:03PM0.01m
8:46AM-0.39m
8:59PM0.10m
9:42AM-0.25m
9:58PM0.20m
10:40AM-0.09m
11:00PM0.30m
11:40AM0.05m
00:05AM0.35m
12:40PM0.16m
1:10AM0.36m
1:38PM0.25m
2:14AM0.31m
2:32PM0.32m
3:12AM0.25m
3:22PM0.36m
tide state
5:42AM
tide state
7:41PM
5:40AM
7:42PM
5:39AM
7:43PM
5:37AM
7:44PM
5:36AM
7:45PM
5:35AM
7:47PM
5:34AM
7:48PM
5:32AM
7:49PM
5:31AM
7:50PM
5:30AM
7:51PM
5:29AM
7:52PM
5:28AM
7:53PM
5:26AM
7:54PM
5:25AM
7:55PM
5:24AM
7:56PM
5:23AM
7:57PM
5:22AM
7:58PM
5:21AM
7:59PM
5:20AM
8:00PM
5:19AM
8:01PM
5:18AM
8:02PM
5:17AM
8:03PM
5:17AM
8:04PM
5:16AM
8:05PM
5:15AM
8:06PM
5:14AM
8:07PM
5:14AM
8:08PM
5:13AM
8:09PM
5:12AM
8:10PM
0.44% - (Waxing Gibbous)
tide state
4:27AM
0.45% - (Waxing Gibbous)
tide state
5:58PM
0.49% - (Full Moon)
4:47AM
7:03PM
0.53% - (Full Moon)
5:10AM
8:08PM
0.56% - (Waning Gibbous)
5:37AM
9:13PM
0.6% - (Waning Gibbous)
6:09AM
10:15PM
0.63% - (Waning Gibbous)
6:49AM
11:13PM
0.64% - (Waning Gibbous)
7:36AM

0.67% - (Waning Gibbous)
8:32AM
00:03AM
0.7% - (Waning Gibbous)
9:33AM
00:45AM
0.74% - (Last Quarter)
10:37AM
1:19AM
0.77% - (Last Quarter)
11:44AM
1:48AM
0.8% - (Waning Crescent)
12:51PM
2:13AM
0.84% - (Waning Crescent)
1:59PM
2:35AM
0.87% - (Waning Crescent)
3:10PM
2:56AM
0.91% - (Waning Crescent)
4:22PM
3:17AM
0.94% - (Waning Crescent)
5:39PM
3:41AM
0.98% - (New Moon)
7:01PM
4:08AM
1.01% - ()
8:24PM
4:42AM
0.03% - (Waxing Crescent)
9:44PM
5:25AM
0.07% - (Waxing Crescent)
10:54PM
6:21AM
0.1% - (Waxing Crescent)
11:50PM
7:30AM
0.14% - (Waxing Crescent)

8:47AM
0.17% - (Waxing Crescent)
00:32AM
10:05AM
0.21% - (Waxing Crescent)
1:05AM
11:21AM
0.24% - (First Quarter)
1:31AM
12:32PM
0.28% - (First Quarter)
1:53AM
1:40PM
0.31% - (Waxing Gibbous)
2:13AM
2:46PM
0.35% - (Waxing Gibbous)
2:32AM
3:51PM
0.39% - (Waxing Gibbous)
2:52AM
4:55PM
10
N
15
ENE
10
ENE
5
E
5
SSW
15
NW
10
W
15
W
15
WSW
30
SSW
5
E
10
S
20
WNW
20
W
15
WNW
15
W
20
NE
5
NNE
5
NE
cloudpart cloudpart cloudlight rainlight rainpart cloudcloudclearclearcloudcloudlight rainclearcloudpart cloudcloudcloudpart cloudclear

Castle Island, Boston Harbor tide chart key:

The tide chart above shows the height and times of high tide and low tide for Castle Island, Boston Harbor, Massachusetts. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Castle Island, Boston Harbor.

Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Castle Island, Boston Harbor was on Sun 19 Apr (height: 3.58m 11.7ft). Next high Spring Tide at Castle Island, Boston Harbor will be on Thu 30 Apr (height: 3.13m 10.3ft).

Castle Island, Boston Harbor tide chart key: The tide chart above shows the height and times of high tide and low tide for Castle Island, Boston Harbor, Massachusetts. The grey shading corresponds to nighttime hours between sunset and sunrise at Castle Island, Boston Harbor.

Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Castle Island, Boston Harbor was on Sun 19 Apr (height: 3.58m 11.7ft). Next high Spring Tide at Castle Island, Boston Harbor will be on Thu 30 Apr (height: 3.13m 10.3ft).

Castle Island, Boston Harbor tide times for April and May

April and May Tide charts for Castle Island, Boston Harbor: The tide charts below show the height, time and date of high and low tides for the next 30 days.

Tide Times for Castle Island, Boston Harbor (tomorrow): Thursday 30 April 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:11 AM(Thu 30 April)0.12 ft (0.04 m)
High Tide11:23 AM(Thu 30 April)9.47 ft (2.89 m)
Low Tide 5:21 PM(Thu 30 April)0.74 ft (0.23 m)
High Tide11:33 PM(Thu 30 April)10.26 ft (3.13 m)
tide stateSunrise: 5:40AMtide stateSunset: 7:42PMtide stateMoonset: 4:47AMtide stateMoonrise: 7:03PM

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Tide Times for Castle Island, Boston Harbor: Friday 01 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:52 AM(Fri 01 May)-0.02 ft (-0.01 m)
High Tide12:04 PM(Fri 01 May)9.38 ft (2.86 m)
Low Tide 5:59 PM(Fri 01 May)0.87 ft (0.27 m)
tide stateSunrise: 5:39AMtide stateSunset: 7:43PMtide stateMoonset: 5:10AMtide stateMoonrise: 8:08PM

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Tide Times for Castle Island, Boston Harbor: Saturday 02 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide00:10 AM(Sat 02 May)10.28 ft (3.13 m)
Low Tide 6:31 AM(Sat 02 May)-0.04 ft (-0.01 m)
High Tide12:43 PM(Sat 02 May)9.25 ft (2.82 m)
Low Tide 6:37 PM(Sat 02 May)1.02 ft (0.31 m)
tide stateSunrise: 5:37AMtide stateSunset: 7:44PMtide stateMoonset: 5:37AMtide stateMoonrise: 9:13PM

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Tide Times for Castle Island, Boston Harbor: Sunday 03 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide00:46 AM(Sun 03 May)10.23 ft (3.12 m)
Low Tide 7:10 AM(Sun 03 May)0.04 ft (0.01 m)
High Tide 1:22 PM(Sun 03 May)9.08 ft (2.77 m)
Low Tide 7:16 PM(Sun 03 May)1.21 ft (0.37 m)
tide stateSunrise: 5:36AMtide stateSunset: 7:45PMtide stateMoonset: 6:09AMtide stateMoonrise:10:15PM

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Tide Times for Castle Island, Boston Harbor: Monday 04 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 1:24 AM(Mon 04 May)10.1 ft (3.08 m)
Low Tide 7:49 AM(Mon 04 May)0.21 ft (0.06 m)
High Tide 2:01 PM(Mon 04 May)8.86 ft (2.7 m)
Low Tide 7:55 PM(Mon 04 May)1.42 ft (0.43 m)
tide stateSunrise: 5:35AMtide stateSunset: 7:47PMtide stateMoonset: 6:49AMtide stateMoonrise:11:13PM

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Tide Times for Castle Island, Boston Harbor: Tuesday 05 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:03 AM(Tue 05 May)9.92 ft (3.02 m)
Low Tide 8:30 AM(Tue 05 May)0.45 ft (0.14 m)
High Tide 2:42 PM(Tue 05 May)8.63 ft (2.63 m)
Low Tide 8:37 PM(Tue 05 May)1.65 ft (0.5 m)
tide stateSunrise: 5:34AMtide stateSunset: 7:48PMtide stateMoonset: 7:36AM

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Tide Times for Castle Island, Boston Harbor: Wednesday 06 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:45 AM(Wed 06 May)9.68 ft (2.95 m)
Low Tide 9:13 AM(Wed 06 May)0.73 ft (0.22 m)
High Tide 3:26 PM(Wed 06 May)8.4 ft (2.56 m)
Low Tide 9:21 PM(Wed 06 May)1.88 ft (0.57 m)
tide stateSunrise: 5:32AMtide stateSunset: 7:49PMtide stateMoonrise:00:03AMtide stateMoonset: 8:32AM

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Tide Times for Castle Island, Boston Harbor: Thursday 07 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 3:29 AM(Thu 07 May)9.43 ft (2.87 m)
Low Tide 9:58 AM(Thu 07 May)0.99 ft (0.3 m)
High Tide 4:13 PM(Thu 07 May)8.22 ft (2.51 m)
Low Tide10:08 PM(Thu 07 May)2.08 ft (0.63 m)
tide stateSunrise: 5:31AMtide stateSunset: 7:50PMtide stateMoonrise:00:45AMtide stateMoonset: 9:33AM

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Tide Times for Castle Island, Boston Harbor: Friday 08 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 4:17 AM(Fri 08 May)9.19 ft (2.8 m)
Low Tide10:46 AM(Fri 08 May)1.19 ft (0.36 m)
High Tide 5:02 PM(Fri 08 May)8.15 ft (2.48 m)
Low Tide10:59 PM(Fri 08 May)2.18 ft (0.66 m)
tide stateSunrise: 5:30AMtide stateSunset: 7:51PMtide stateMoonrise: 1:19AMtide stateMoonset:10:37AM

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Tide Times for Castle Island, Boston Harbor: Saturday 09 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 5:09 AM(Sat 09 May)9.02 ft (2.75 m)
Low Tide11:36 AM(Sat 09 May)1.29 ft (0.39 m)
High Tide 5:53 PM(Sat 09 May)8.25 ft (2.51 m)
Low Tide11:53 PM(Sat 09 May)2.13 ft (0.65 m)
tide stateSunrise: 5:29AMtide stateSunset: 7:52PMtide stateMoonrise: 1:48AMtide stateMoonset:11:44AM

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Tide Times for Castle Island, Boston Harbor: Sunday 10 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 6:03 AM(Sun 10 May)8.94 ft (2.72 m)
Low Tide12:28 PM(Sun 10 May)1.26 ft (0.38 m)
High Tide 6:44 PM(Sun 10 May)8.52 ft (2.6 m)
tide stateSunrise: 5:28AMtide stateSunset: 7:53PMtide stateMoonrise: 2:13AMtide stateMoonset:12:51PM

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Tide Times for Castle Island, Boston Harbor: Monday 11 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide00:50 AM(Mon 11 May)1.88 ft (0.57 m)
High Tide 6:58 AM(Mon 11 May)8.98 ft (2.74 m)
Low Tide 1:19 PM(Mon 11 May)1.12 ft (0.34 m)
High Tide 7:35 PM(Mon 11 May)8.98 ft (2.74 m)
tide stateSunrise: 5:26AMtide stateSunset: 7:54PMtide stateMoonrise: 2:35AMtide stateMoonset: 1:59PM

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Tide Times for Castle Island, Boston Harbor: Tuesday 12 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 1:46 AM(Tue 12 May)1.42 ft (0.43 m)
High Tide 7:54 AM(Tue 12 May)9.15 ft (2.79 m)
Low Tide 2:11 PM(Tue 12 May)0.88 ft (0.27 m)
High Tide 8:24 PM(Tue 12 May)9.56 ft (2.91 m)
tide stateSunrise: 5:25AMtide stateSunset: 7:55PMtide stateMoonrise: 2:56AMtide stateMoonset: 3:10PM

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Tide Times for Castle Island, Boston Harbor: Wednesday 13 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 2:41 AM(Wed 13 May)0.78 ft (0.24 m)
High Tide 8:48 AM(Wed 13 May)9.41 ft (2.87 m)
Low Tide 3:01 PM(Wed 13 May)0.58 ft (0.18 m)
High Tide 9:12 PM(Wed 13 May)10.22 ft (3.11 m)
tide stateSunrise: 5:24AMtide stateSunset: 7:56PMtide stateMoonrise: 3:17AMtide stateMoonset: 4:22PM

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Tide Times for Castle Island, Boston Harbor: Thursday 14 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 3:34 AM(Thu 14 May)0.07 ft (0.02 m)
High Tide 9:41 AM(Thu 14 May)9.7 ft (2.96 m)
Low Tide 3:50 PM(Thu 14 May)0.27 ft (0.08 m)
High Tide 9:59 PM(Thu 14 May)10.87 ft (3.31 m)
tide stateSunrise: 5:23AMtide stateSunset: 7:57PMtide stateMoonrise: 3:41AMtide stateMoonset: 5:39PM

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Tide Times for Castle Island, Boston Harbor: Friday 15 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 4:25 AM(Fri 15 May)-0.63 ft (-0.19 m)
High Tide10:34 AM(Fri 15 May)9.98 ft (3.04 m)
Low Tide 4:39 PM(Fri 15 May)0.01 ft (0.0 m)
High Tide10:48 PM(Fri 15 May)11.43 ft (3.48 m)
tide stateSunrise: 5:22AMtide stateSunset: 7:58PMtide stateMoonrise: 4:08AMtide stateMoonset: 7:01PM

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Tide Times for Castle Island, Boston Harbor: Saturday 16 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:17 AM(Sat 16 May)-1.2 ft (-0.37 m)
High Tide11:26 AM(Sat 16 May)10.17 ft (3.1 m)
Low Tide 5:28 PM(Sat 16 May)-0.18 ft (-0.05 m)
High Tide11:37 PM(Sat 16 May)11.83 ft (3.61 m)
tide stateSunrise: 5:21AMtide stateSunset: 7:59PMtide stateMoonrise: 4:42AMtide stateMoonset: 8:24PM

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Tide Times for Castle Island, Boston Harbor: Sunday 17 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 6:08 AM(Sun 17 May)-1.58 ft (-0.48 m)
High Tide12:17 PM(Sun 17 May)10.26 ft (3.13 m)
Low Tide 6:18 PM(Sun 17 May)-0.25 ft (-0.08 m)
tide stateSunrise: 5:20AMtide stateSunset: 8:00PMtide stateMoonrise: 5:25AMtide stateMoonset: 9:44PM

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Tide Times for Castle Island, Boston Harbor: Monday 18 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide00:27 AM(Mon 18 May)12.02 ft (3.66 m)
Low Tide 6:59 AM(Mon 18 May)-1.71 ft (-0.52 m)
High Tide 1:10 PM(Mon 18 May)10.21 ft (3.11 m)
Low Tide 7:10 PM(Mon 18 May)-0.18 ft (-0.05 m)
tide stateSunrise: 5:19AMtide stateSunset: 8:01PMtide stateMoonrise: 6:21AMtide stateMoonset:10:54PM

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Tide Times for Castle Island, Boston Harbor: Tuesday 19 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 1:19 AM(Tue 19 May)11.97 ft (3.65 m)
Low Tide 7:52 AM(Tue 19 May)-1.59 ft (-0.48 m)
High Tide 2:05 PM(Tue 19 May)10.06 ft (3.07 m)
Low Tide 8:03 PM(Tue 19 May)0.02 ft (0.01 m)
tide stateSunrise: 5:18AMtide stateSunset: 8:02PMtide stateMoonrise: 7:30AMtide stateMoonset:11:50PM

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Tide Times for Castle Island, Boston Harbor: Wednesday 20 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:14 AM(Wed 20 May)11.69 ft (3.56 m)
Low Tide 8:46 AM(Wed 20 May)-1.27 ft (-0.39 m)
High Tide 3:01 PM(Wed 20 May)9.84 ft (3.0 m)
Low Tide 8:59 PM(Wed 20 May)0.32 ft (0.1 m)
tide stateSunrise: 5:17AMtide stateSunset: 8:03PMtide stateMoonrise: 8:47AM

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Tide Times for Castle Island, Boston Harbor: Thursday 21 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 3:11 AM(Thu 21 May)11.23 ft (3.42 m)
Low Tide 9:42 AM(Thu 21 May)-0.81 ft (-0.25 m)
High Tide 4:00 PM(Thu 21 May)9.61 ft (2.93 m)
Low Tide 9:58 PM(Thu 21 May)0.67 ft (0.2 m)
tide stateSunrise: 5:17AMtide stateSunset: 8:04PMtide stateMoonset:00:32AMtide stateMoonrise:10:05AM

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Tide Times for Castle Island, Boston Harbor: Friday 22 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 4:12 AM(Fri 22 May)10.68 ft (3.26 m)
Low Tide10:40 AM(Fri 22 May)-0.31 ft (-0.09 m)
High Tide 5:01 PM(Fri 22 May)9.46 ft (2.88 m)
Low Tide11:00 PM(Fri 22 May)0.97 ft (0.3 m)
tide stateSunrise: 5:16AMtide stateSunset: 8:05PMtide stateMoonset: 1:05AMtide stateMoonrise:11:21AM

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Tide Times for Castle Island, Boston Harbor: Saturday 23 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 5:15 AM(Sat 23 May)10.12 ft (3.08 m)
Low Tide11:40 AM(Sat 23 May)0.15 ft (0.05 m)
High Tide 6:03 PM(Sat 23 May)9.41 ft (2.87 m)
tide stateSunrise: 5:15AMtide stateSunset: 8:06PMtide stateMoonset: 1:31AMtide stateMoonrise:12:32PM

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Tide Times for Castle Island, Boston Harbor: Sunday 24 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide00:05 AM(Sun 24 May)1.15 ft (0.35 m)
High Tide 6:20 AM(Sun 24 May)9.64 ft (2.94 m)
Low Tide12:40 PM(Sun 24 May)0.54 ft (0.16 m)
High Tide 7:03 PM(Sun 24 May)9.47 ft (2.89 m)
tide stateSunrise: 5:14AMtide stateSunset: 8:07PMtide stateMoonset: 1:53AMtide stateMoonrise: 1:40PM

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Tide Times for Castle Island, Boston Harbor: Monday 25 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 1:10 AM(Mon 25 May)1.17 ft (0.36 m)
High Tide 7:25 AM(Mon 25 May)9.29 ft (2.83 m)
Low Tide 1:38 PM(Mon 25 May)0.83 ft (0.25 m)
High Tide 8:00 PM(Mon 25 May)9.6 ft (2.93 m)
tide stateSunrise: 5:14AMtide stateSunset: 8:08PMtide stateMoonset: 2:13AMtide stateMoonrise: 2:46PM

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Tide Times for Castle Island, Boston Harbor: Tuesday 26 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 2:14 AM(Tue 26 May)1.03 ft (0.31 m)
High Tide 8:26 AM(Tue 26 May)9.07 ft (2.76 m)
Low Tide 2:32 PM(Tue 26 May)1.04 ft (0.32 m)
High Tide 8:53 PM(Tue 26 May)9.76 ft (2.97 m)
tide stateSunrise: 5:13AMtide stateSunset: 8:09PMtide stateMoonset: 2:32AMtide stateMoonrise: 3:51PM

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Tide Times for Castle Island, Boston Harbor: Wednesday 27 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 3:12 AM(Wed 27 May)0.82 ft (0.25 m)
High Tide 9:23 AM(Wed 27 May)8.94 ft (2.72 m)
Low Tide 3:22 PM(Wed 27 May)1.19 ft (0.36 m)
High Tide 9:40 PM(Wed 27 May)9.89 ft (3.01 m)
tide stateSunrise: 5:12AMtide stateSunset: 8:10PMtide stateMoonset: 2:52AMtide stateMoonrise: 4:55PM

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