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 Saturday 13 June 2026 for Castle Island, Boston Harbor are: first low tide at 4:00am, first high tide at 10:08am, second low tide at 4:10pm, second high tide at 10:21pm. Sunrise is at 5:06am and sunset is at 8:21pm.

Today's tide times for Castle Island, Boston Harbor: Saturday 13 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 4:00 AM(Sat 13 June)-0.68 ft (-0.21 m)
High Tide10:08 AM(Sat 13 June)9.59 ft (2.92 m)
Low Tide 4:10 PM(Sat 13 June)0.25 ft (0.08 m)
High Tide10:21 PM(Sat 13 June)11.57 ft (3.53 m)
Tide Datum: -
TideHigh
TideLow
Tide Rising
  • Wind Speed
    -
  • Swell
    —
  • Weather
High tide in:
Live Tide
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

Saturday, 13 Jun
14 Jun
15 Jun
16 Jun
17 Jun
18 Jun
19 Jun
20 Jun
21 Jun
22 Jun
23 Jun
24 Jun
25 Jun
26 Jun
27 Jun
28 Jun
29 Jun
30 Jun
1 Jul
2 Jul
3 Jul
4 Jul
5 Jul
6 Jul
7 Jul
8 Jul
9 Jul
10 Jul
11 Jul
AMPMSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSat
10:08AM2.92m
10:21PM3.53m
11:04AM2.98m
11:15PM3.62m
12:00PM3.03m
00:09AM3.66m
12:55PM3.06m
1:05AM3.64m
1:50PM3.07m
2:01AM3.56m
2:46PM3.06m
2:57AM3.42m
3:42PM3.04m
3:55AM3.25m
4:37PM3.01m
4:53AM3.06m
5:33PM2.98m
5:53AM2.87m
6:28PM2.95m
6:54AM2.72m
7:22PM2.94m
7:53AM2.62m
8:15PM2.93m
8:51AM2.56m
9:04PM2.94m
9:44AM2.54m
9:51PM2.95m
10:33AM2.54m
10:36PM2.98m
11:18AM2.56m
11:18PM3.01m
12:00PM2.58m
11:59PM3.04m
12:39PM2.62m
00:39AM3.05m
1:18PM2.64m
1:18AM3.05m
1:56PM2.68m
1:58AM3.04m
2:35PM2.72m
2:38AM3.01m
3:14PM2.76m
3:20AM2.96m
3:54PM2.82m
4:06AM2.90m
4:38PM2.89m
4:55AM2.84m
5:24PM2.97m
5:48AM2.78m
6:14PM3.06m
6:45AM2.74m
7:08PM3.16m
7:46AM2.73m
8:04PM3.26m
8:47AM2.75m
9:03PM3.37m
4:00AM-0.21m
4:10PM0.08m
4:55AM-0.35m
5:05PM0.02m
5:49AM-0.45m
5:58PM-0.03m
6:43AM-0.49m
6:53PM-0.04m
7:37AM-0.47m
7:48PM-0.02m
8:30AM-0.39m
8:44PM0.04m
9:23AM-0.27m
9:41PM0.12m
10:17AM-0.12m
10:40PM0.21m
11:11AM0.05m
11:40PM0.28m
12:06PM0.21m
00:42AM0.33m
1:00PM0.34m
1:43AM0.34m
1:54PM0.45m
2:41AM0.32m
2:45PM0.52m
3:35AM0.29m
3:34PM0.55m
4:23AM0.25m
4:20PM0.55m
5:07AM0.21m
5:04PM0.53m
5:47AM0.17m
5:46PM0.50m
6:27AM0.14m
6:27PM0.47m
7:05AM0.12m
7:08PM0.44m
7:43AM0.10m
7:49PM0.43m
8:22AM0.09m
8:31PM0.41m
9:01AM0.10m
9:15PM0.39m
9:42AM0.12m
10:01PM0.36m
10:25AM0.15m
10:50PM0.32m
11:11AM0.19m
11:43PM0.27m
12:01PM0.23m
00:40AM0.19m
12:55PM0.25m
1:40AM0.09m
1:52PM0.25m
2:40AM-0.03m
2:50PM0.21m
tide state
5:06AM
tide state
8:21PM
5:06AM
8:22PM
5:06AM
8:22PM
5:06AM
8:22PM
5:06AM
8:23PM
5:06AM
8:23PM
5:07AM
8:23PM
5:07AM
8:24PM
5:07AM
8:24PM
5:07AM
8:24PM
5:07AM
8:24PM
5:08AM
8:24PM
5:08AM
8:24PM
5:08AM
8:24PM
5:09AM
8:24PM
5:09AM
8:24PM
5:10AM
8:24PM
5:10AM
8:24PM
5:11AM
8:24PM
5:11AM
8:24PM
5:12AM
8:24PM
5:12AM
8:23PM
5:13AM
8:23PM
5:13AM
8:23PM
5:14AM
8:23PM
5:15AM
8:22PM
5:15AM
8:22PM
5:16AM
8:21PM
5:17AM
8:21PM
0.94% - (Waning Crescent)
tide state
3:12AM
0.96% - (Waning Crescent)
tide state
7:15PM
0.98% - (New Moon)
8:31PM
4:02AM
0.03% - (New Moon)
9:35PM
5:05AM
0.07% - (Waxing Crescent)
10:24PM
6:21AM
0.1% - (Waxing Crescent)
11:02PM
7:42AM
0.14% - (Waxing Crescent)
11:32PM
9:02AM
0.17% - (Waxing Crescent)
11:56PM
10:17AM
0.21% - (Waxing Crescent)

11:29AM
0.24% - (First Quarter)
00:17AM
12:37PM
0.28% - (First Quarter)
00:37AM
1:42PM
0.31% - (Waxing Gibbous)
00:57AM
2:47PM
0.35% - (Waxing Gibbous)
1:19AM
3:52PM
0.39% - (Waxing Gibbous)
1:43AM
4:57PM
0.42% - (Waxing Gibbous)
2:12AM
6:00PM
0.46% - (Waxing Gibbous)
2:47AM
7:00PM
0.49% - (Full Moon)
3:30AM
7:55PM
0.53% - (Full Moon)
4:20AM
8:42PM
0.56% - (Waning Gibbous)
5:18AM
9:21PM
0.6% - (Waning Gibbous)
6:21AM
9:53PM
0.63% - (Waning Gibbous)
7:27AM
10:20PM
0.66% - (Waning Gibbous)
8:32AM
10:43PM
0.7% - (Waning Gibbous)
9:38AM
11:04PM
0.73% - (Last Quarter)
10:44AM
11:24PM
0.77% - (Last Quarter)
11:51AM
11:44PM
0.79% - (Waning Crescent)
1:00PM

0.8% - (Waning Crescent)
2:13PM
00:06AM
0.84% - (Waning Crescent)
3:30PM
00:32AM
0.87% - (Waning Crescent)
4:49PM
1:05AM
0.91% - (Waning Crescent)
6:06PM
1:48AM
15
NW
15
NNW
5
NNW
10
W
15
SSW
20
WNW
10
WSW
15
SSW
25
S
10
SW
15
WNW
20
WNW
5
SE
15
NNE
10
NNW
5
SW
25
SSW
10
WSW
10
WNW
part cloudclearclearclearclearclearclearpart cloudcloudcloudclearclearcloudcloudclearclearcloudclearpart cloud

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 31 May (height: 3.07m 10.1ft). Next high Spring Tide at Castle Island, Boston Harbor will be on Mon 15 Jun (height: 3.66m 12.0ft).

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 31 May (height: 3.07m 10.1ft). Next high Spring Tide at Castle Island, Boston Harbor will be on Mon 15 Jun (height: 3.66m 12.0ft).

Castle Island, Boston Harbor tide times for June and July

June and July 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): Sunday 14 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 4:55 AM(Sun 14 June)-1.15 ft (-0.35 m)
High Tide11:04 AM(Sun 14 June)9.79 ft (2.98 m)
Low Tide 5:05 PM(Sun 14 June)0.05 ft (0.02 m)
High Tide11:15 PM(Sun 14 June)11.88 ft (3.62 m)
tide stateSunrise: 5:06AMtide stateSunset: 8:22PMtide stateMoonrise: 4:02AMtide stateMoonset: 8:31PM

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Tide Times for Castle Island, Boston Harbor: Monday 15 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:49 AM(Mon 15 June)-1.47 ft (-0.45 m)
High Tide12:00 PM(Mon 15 June)9.95 ft (3.03 m)
Low Tide 5:58 PM(Mon 15 June)-0.09 ft (-0.03 m)
tide stateSunrise: 5:06AMtide stateSunset: 8:22PMtide stateMoonrise: 5:05AMtide stateMoonset: 9:35PM

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Tide Times for Castle Island, Boston Harbor: Tuesday 16 June 2026

Tidetide stateTime (EDT)& DateHeight
High Tide00:09 AM(Tue 16 June)12.02 ft (3.66 m)
Low Tide 6:43 AM(Tue 16 June)-1.6 ft (-0.49 m)
High Tide12:55 PM(Tue 16 June)10.05 ft (3.06 m)
Low Tide 6:53 PM(Tue 16 June)-0.14 ft (-0.04 m)
tide stateSunrise: 5:06AMtide stateSunset: 8:22PMtide stateMoonrise: 6:21AMtide stateMoonset:10:24PM

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Tide Times for Castle Island, Boston Harbor: Wednesday 17 June 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 1:05 AM(Wed 17 June)11.95 ft (3.64 m)
Low Tide 7:37 AM(Wed 17 June)-1.53 ft (-0.47 m)
High Tide 1:50 PM(Wed 17 June)10.08 ft (3.07 m)
Low Tide 7:48 PM(Wed 17 June)-0.06 ft (-0.02 m)
tide stateSunrise: 5:06AMtide stateSunset: 8:23PMtide stateMoonrise: 7:42AMtide stateMoonset:11:02PM

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Tide Times for Castle Island, Boston Harbor: Thursday 18 June 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:01 AM(Thu 18 June)11.68 ft (3.56 m)
Low Tide 8:30 AM(Thu 18 June)-1.28 ft (-0.39 m)
High Tide 2:46 PM(Thu 18 June)10.05 ft (3.06 m)
Low Tide 8:44 PM(Thu 18 June)0.13 ft (0.04 m)
tide stateSunrise: 5:06AMtide stateSunset: 8:23PMtide stateMoonrise: 9:02AMtide stateMoonset:11:32PM

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Tide Times for Castle Island, Boston Harbor: Friday 19 June 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:57 AM(Fri 19 June)11.23 ft (3.42 m)
Low Tide 9:23 AM(Fri 19 June)-0.88 ft (-0.27 m)
High Tide 3:42 PM(Fri 19 June)9.97 ft (3.04 m)
Low Tide 9:41 PM(Fri 19 June)0.39 ft (0.12 m)
tide stateSunrise: 5:07AMtide stateSunset: 8:23PMtide stateMoonrise:10:17AMtide stateMoonset:11:56PM

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Tide Times for Castle Island, Boston Harbor: Saturday 20 June 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 3:55 AM(Sat 20 June)10.65 ft (3.25 m)
Low Tide10:17 AM(Sat 20 June)-0.38 ft (-0.12 m)
High Tide 4:37 PM(Sat 20 June)9.87 ft (3.01 m)
Low Tide10:40 PM(Sat 20 June)0.68 ft (0.21 m)
tide stateSunrise: 5:07AMtide stateSunset: 8:24PMtide stateMoonrise:11:29AM

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Tide Times for Castle Island, Boston Harbor: Sunday 21 June 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 4:53 AM(Sun 21 June)10.03 ft (3.06 m)
Low Tide11:11 AM(Sun 21 June)0.16 ft (0.05 m)
High Tide 5:33 PM(Sun 21 June)9.78 ft (2.98 m)
Low Tide11:40 PM(Sun 21 June)0.92 ft (0.28 m)
tide stateSunrise: 5:07AMtide stateSunset: 8:24PMtide stateMoonset:00:17AMtide stateMoonrise:12:37PM

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Tide Times for Castle Island, Boston Harbor: Monday 22 June 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 5:53 AM(Mon 22 June)9.43 ft (2.87 m)
Low Tide12:06 PM(Mon 22 June)0.68 ft (0.21 m)
High Tide 6:28 PM(Mon 22 June)9.69 ft (2.95 m)
tide stateSunrise: 5:07AMtide stateSunset: 8:24PMtide stateMoonset:00:37AMtide stateMoonrise: 1:42PM

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Tide Times for Castle Island, Boston Harbor: Tuesday 23 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide00:42 AM(Tue 23 June)1.07 ft (0.33 m)
High Tide 6:54 AM(Tue 23 June)8.94 ft (2.72 m)
Low Tide 1:00 PM(Tue 23 June)1.13 ft (0.34 m)
High Tide 7:22 PM(Tue 23 June)9.64 ft (2.94 m)
tide stateSunrise: 5:07AMtide stateSunset: 8:24PMtide stateMoonset:00:57AMtide stateMoonrise: 2:47PM

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Tide Times for Castle Island, Boston Harbor: Wednesday 24 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 1:43 AM(Wed 24 June)1.11 ft (0.34 m)
High Tide 7:53 AM(Wed 24 June)8.59 ft (2.62 m)
Low Tide 1:54 PM(Wed 24 June)1.47 ft (0.45 m)
High Tide 8:15 PM(Wed 24 June)9.62 ft (2.93 m)
tide stateSunrise: 5:08AMtide stateSunset: 8:24PMtide stateMoonset: 1:19AMtide stateMoonrise: 3:52PM

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Tide Times for Castle Island, Boston Harbor: Thursday 25 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 2:41 AM(Thu 25 June)1.05 ft (0.32 m)
High Tide 8:51 AM(Thu 25 June)8.4 ft (2.56 m)
Low Tide 2:45 PM(Thu 25 June)1.69 ft (0.52 m)
High Tide 9:04 PM(Thu 25 June)9.64 ft (2.94 m)
tide stateSunrise: 5:08AMtide stateSunset: 8:24PMtide stateMoonset: 1:43AMtide stateMoonrise: 4:57PM

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Tide Times for Castle Island, Boston Harbor: Friday 26 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 3:35 AM(Fri 26 June)0.94 ft (0.29 m)
High Tide 9:44 AM(Fri 26 June)8.33 ft (2.54 m)
Low Tide 3:34 PM(Fri 26 June)1.79 ft (0.55 m)
High Tide 9:51 PM(Fri 26 June)9.69 ft (2.95 m)
tide stateSunrise: 5:08AMtide stateSunset: 8:24PMtide stateMoonset: 2:12AMtide stateMoonrise: 6:00PM

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Tide Times for Castle Island, Boston Harbor: Saturday 27 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 4:23 AM(Sat 27 June)0.81 ft (0.25 m)
High Tide10:33 AM(Sat 27 June)8.34 ft (2.54 m)
Low Tide 4:20 PM(Sat 27 June)1.79 ft (0.55 m)
High Tide10:36 PM(Sat 27 June)9.78 ft (2.98 m)
tide stateSunrise: 5:09AMtide stateSunset: 8:24PMtide stateMoonset: 2:47AMtide stateMoonrise: 7:00PM

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Tide Times for Castle Island, Boston Harbor: Sunday 28 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:07 AM(Sun 28 June)0.69 ft (0.21 m)
High Tide11:18 AM(Sun 28 June)8.4 ft (2.56 m)
Low Tide 5:04 PM(Sun 28 June)1.73 ft (0.53 m)
High Tide11:18 PM(Sun 28 June)9.87 ft (3.01 m)
tide stateSunrise: 5:09AMtide stateSunset: 8:24PMtide stateMoonset: 3:30AMtide stateMoonrise: 7:55PM

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Tide Times for Castle Island, Boston Harbor: Monday 29 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:47 AM(Mon 29 June)0.57 ft (0.17 m)
High Tide12:00 PM(Mon 29 June)8.48 ft (2.58 m)
Low Tide 5:46 PM(Mon 29 June)1.64 ft (0.5 m)
High Tide11:59 PM(Mon 29 June)9.96 ft (3.04 m)
tide stateSunrise: 5:10AMtide stateSunset: 8:24PMtide stateMoonset: 4:20AMtide stateMoonrise: 8:42PM

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Tide Times for Castle Island, Boston Harbor: Tuesday 30 June 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 6:27 AM(Tue 30 June)0.47 ft (0.14 m)
High Tide12:39 PM(Tue 30 June)8.58 ft (2.62 m)
Low Tide 6:27 PM(Tue 30 June)1.54 ft (0.47 m)
tide stateSunrise: 5:10AMtide stateSunset: 8:24PMtide stateMoonset: 5:18AMtide stateMoonrise: 9:21PM

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Tide Times for Castle Island, Boston Harbor: Wednesday 01 July 2026

Tidetide stateTime (EDT)& DateHeight
High Tide00:39 AM(Wed 01 July)10.01 ft (3.05 m)
Low Tide 7:05 AM(Wed 01 July)0.39 ft (0.12 m)
High Tide 1:18 PM(Wed 01 July)8.67 ft (2.64 m)
Low Tide 7:08 PM(Wed 01 July)1.46 ft (0.44 m)
tide stateSunrise: 5:11AMtide stateSunset: 8:24PMtide stateMoonset: 6:21AMtide stateMoonrise: 9:53PM

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Tide Times for Castle Island, Boston Harbor: Thursday 02 July 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 1:18 AM(Thu 02 July)10.02 ft (3.05 m)
Low Tide 7:43 AM(Thu 02 July)0.33 ft (0.1 m)
High Tide 1:56 PM(Thu 02 July)8.78 ft (2.68 m)
Low Tide 7:49 PM(Thu 02 July)1.4 ft (0.43 m)
tide stateSunrise: 5:11AMtide stateSunset: 8:24PMtide stateMoonset: 7:27AMtide stateMoonrise:10:20PM

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Tide Times for Castle Island, Boston Harbor: Friday 03 July 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 1:58 AM(Fri 03 July)9.97 ft (3.04 m)
Low Tide 8:22 AM(Fri 03 July)0.31 ft (0.09 m)
High Tide 2:35 PM(Fri 03 July)8.91 ft (2.72 m)
Low Tide 8:31 PM(Fri 03 July)1.34 ft (0.41 m)
tide stateSunrise: 5:12AMtide stateSunset: 8:24PMtide stateMoonset: 8:32AMtide stateMoonrise:10:43PM

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Tide Times for Castle Island, Boston Harbor: Saturday 04 July 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:38 AM(Sat 04 July)9.87 ft (3.01 m)
Low Tide 9:01 AM(Sat 04 July)0.32 ft (0.1 m)
High Tide 3:14 PM(Sat 04 July)9.06 ft (2.76 m)
Low Tide 9:15 PM(Sat 04 July)1.28 ft (0.39 m)
tide stateSunrise: 5:12AMtide stateSunset: 8:23PMtide stateMoonset: 9:38AMtide stateMoonrise:11:04PM

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Tide Times for Castle Island, Boston Harbor: Sunday 05 July 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 3:20 AM(Sun 05 July)9.72 ft (2.96 m)
Low Tide 9:42 AM(Sun 05 July)0.38 ft (0.12 m)
High Tide 3:54 PM(Sun 05 July)9.26 ft (2.82 m)
Low Tide10:01 PM(Sun 05 July)1.18 ft (0.36 m)
tide stateSunrise: 5:13AMtide stateSunset: 8:23PMtide stateMoonset:10:44AMtide stateMoonrise:11:24PM

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Tide Times for Castle Island, Boston Harbor: Monday 06 July 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 4:06 AM(Mon 06 July)9.53 ft (2.9 m)
Low Tide10:25 AM(Mon 06 July)0.48 ft (0.15 m)
High Tide 4:38 PM(Mon 06 July)9.49 ft (2.89 m)
Low Tide10:50 PM(Mon 06 July)1.05 ft (0.32 m)
tide stateSunrise: 5:13AMtide stateSunset: 8:23PMtide stateMoonset:11:51AMtide stateMoonrise:11:44PM

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Tide Times for Castle Island, Boston Harbor: Tuesday 07 July 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 4:55 AM(Tue 07 July)9.32 ft (2.84 m)
Low Tide11:11 AM(Tue 07 July)0.61 ft (0.19 m)
High Tide 5:24 PM(Tue 07 July)9.76 ft (2.97 m)
Low Tide11:43 PM(Tue 07 July)0.87 ft (0.27 m)
tide stateSunrise: 5:14AMtide stateSunset: 8:23PMtide stateMoonset: 1:00PM

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Tide Times for Castle Island, Boston Harbor: Wednesday 08 July 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 5:48 AM(Wed 08 July)9.12 ft (2.78 m)
Low Tide12:01 PM(Wed 08 July)0.74 ft (0.23 m)
High Tide 6:14 PM(Wed 08 July)10.05 ft (3.06 m)
tide stateSunrise: 5:15AMtide stateSunset: 8:22PMtide stateMoonrise:00:06AMtide stateMoonset: 2:13PM

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Tide Times for Castle Island, Boston Harbor: Thursday 09 July 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide00:40 AM(Thu 09 July)0.61 ft (0.19 m)
High Tide 6:45 AM(Thu 09 July)8.99 ft (2.74 m)
Low Tide12:55 PM(Thu 09 July)0.82 ft (0.25 m)
High Tide 7:08 PM(Thu 09 July)10.37 ft (3.16 m)
tide stateSunrise: 5:15AMtide stateSunset: 8:22PMtide stateMoonrise:00:32AMtide stateMoonset: 3:30PM

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Tide Times for Castle Island, Boston Harbor: Friday 10 July 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 1:40 AM(Fri 10 July)0.29 ft (0.09 m)
High Tide 7:46 AM(Fri 10 July)8.95 ft (2.73 m)
Low Tide 1:52 PM(Fri 10 July)0.81 ft (0.25 m)
High Tide 8:04 PM(Fri 10 July)10.71 ft (3.26 m)
tide stateSunrise: 5:16AMtide stateSunset: 8:21PMtide stateMoonrise: 1:05AMtide stateMoonset: 4:49PM

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Tide Times for Castle Island, Boston Harbor: Saturday 11 July 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 2:40 AM(Sat 11 July)-0.1 ft (-0.03 m)
High Tide 8:47 AM(Sat 11 July)9.03 ft (2.75 m)
Low Tide 2:50 PM(Sat 11 July)0.69 ft (0.21 m)
High Tide 9:03 PM(Sat 11 July)11.07 ft (3.37 m)
tide stateSunrise: 5:17AMtide stateSunset: 8:21PMtide stateMoonrise: 1:48AMtide stateMoonset: 6:06PM

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