Tide Times for South Boston

Lat Long: 42.33° N 70.89° W

Today's tide times for Boston Light, Boston Harbor, Massachusetts

The predicted tide times today on Friday 24 April 2026 for South Boston are: first high tide at 5:33am, first low tide at 12:03pm, second high tide at 6:23pm. Sunrise is at 5:48am and sunset is at 7:35pm.

Today's tide times for South Boston: Friday 24 April 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 5:33 AM(Fri 24 April)9.59 ft (2.92 m)
Low Tide12:03 PM(Fri 24 April)0.37 ft (0.11 m)
High Tide 6:23 PM(Fri 24 April)8.58 ft (2.62 m)
Tide Datum: -
TideHigh
TideLow
Tide Rising
  • Wind Speed
    -
  • Swell
  • Weather
High tide in:
Live Tide
Next Tide State HIGH TIDE in South Boston is at
which is in from now.
Next Tide Falling LOW TIDE in South Boston is at
which is in from now.
The tide is .Tide state rising
Local time:

Tide chart for South BostonShowing low and high tide times for the next 30 days at South Boston. Tide Times are EDT (UTC -4.0hrs).

View South Boston 7 Day Tide Chart Image.

Boston Light, Boston Harbor, Massachusetts Tide Chart including high and low tide times for the next 7 days
Print:
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

Friday, 24 Apr
25 Apr
26 Apr
27 Apr
28 Apr
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
AMPMSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFri
5:33AM2.92m
6:23PM2.62m
6:42AM2.83m
7:29PM2.65m
7:51AM2.79m
8:32PM2.73m
8:56AM2.79m
9:28PM2.83m
9:53AM2.80m
10:14PM2.92m
10:41AM2.80m
10:54PM2.98m
11:24AM2.79m
11:32PM3.01m
12:05PM2.75m
00:08AM3.01m
12:44PM2.71m
00:45AM2.99m
1:22PM2.65m
1:22AM2.94m
2:01PM2.59m
2:01AM2.88m
2:41PM2.52m
2:42AM2.81m
3:23PM2.46m
3:26AM2.73m
4:09PM2.41m
4:14AM2.66m
4:58PM2.39m
5:06AM2.62m
5:49PM2.42m
6:00AM2.61m
6:39PM2.51m
6:54AM2.63m
7:29PM2.63m
7:49AM2.68m
8:19PM2.81m
8:45AM2.76m
9:08PM3.00m
9:39AM2.85m
9:56PM3.20m
10:31AM2.94m
10:44PM3.36m
11:22AM3.00m
11:33PM3.47m
12:14PM3.02m
00:24AM3.51m
1:08PM3.00m
1:17AM3.48m
2:03PM2.96m
2:13AM3.39m
2:59PM2.89m
3:10AM3.25m
3:59PM2.82m
4:12AM3.08m
5:02PM2.77m
12:03PM0.11m
00:23AM0.39m
1:09PM0.17m
1:32AM0.37m
2:13PM0.20m
2:38AM0.29m
3:10PM0.19m
3:37AM0.18m
3:59PM0.19m
4:27AM0.09m
4:42PM0.20m
5:11AM0.02m
5:21PM0.24m
5:52AM-0.02m
5:59PM0.29m
6:31AM-0.01m
6:36PM0.34m
7:09AM0.02m
7:13PM0.40m
7:47AM0.09m
7:52PM0.46m
8:26AM0.16m
8:32PM0.52m
9:06AM0.25m
9:15PM0.57m
9:51AM0.33m
10:02PM0.62m
10:39AM0.38m
10:53PM0.64m
11:30AM0.40m
11:48PM0.61m
12:20PM0.39m
00:42AM0.53m
1:10PM0.34m
1:37AM0.40m
2:01PM0.27m
2:33AM0.22m
2:52PM0.19m
3:27AM0.01m
3:41PM0.09m
4:18AM-0.19m
4:30PM0.02m
5:09AM-0.35m
5:19PM-0.03m
6:00AM-0.45m
6:10PM-0.04m
6:53AM-0.47m
7:03PM-0.02m
7:47AM-0.42m
7:58PM0.05m
8:42AM-0.32m
8:55PM0.13m
9:40AM-0.19m
9:55PM0.23m
10:41AM-0.05m
11:01PM0.30m
tide state
5:48AM
tide state
7:35PM
5:47AM
7:36PM
5:45AM
7:37PM
5:44AM
7:38PM
5:42AM
7:39PM
5:41AM
7:41PM
5:40AM
7:42PM
5:38AM
7:43PM
5:37AM
7:44PM
5:36AM
7:45PM
5:34AM
7:46PM
5:33AM
7:47PM
5:32AM
7:48PM
5:31AM
7:49PM
5:29AM
7:50PM
5:28AM
7:51PM
5:27AM
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
5:16AM
8:04PM
5:15AM
8:05PM
0.26% - (First Quarter)
tide state
2:33AM
0.28% - (First Quarter)
tide state
12:18PM
0.31% - (Waxing Gibbous)
3:02AM
1:31PM
0.35% - (Waxing Gibbous)
3:26AM
2:40PM
0.38% - (Waxing Gibbous)
3:47AM
3:47PM
0.42% - (Waxing Gibbous)
4:07AM
4:52PM
0.45% - (Waxing Gibbous)
4:26AM
5:57PM
0.49% - (Full Moon)
4:47AM
7:02PM
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)
6:48AM
11:12PM
0.64% - (Waning Gibbous)
7:36AM

0.67% - (Waning Gibbous)
8:31AM
00:02AM
0.7% - (Waning Gibbous)
9:32AM
00:44AM
0.74% - (Last Quarter)
10:37AM
1:19AM
0.77% - (Last Quarter)
11:43AM
1:48AM
0.8% - (Waning Crescent)
12:51PM
2:12AM
0.84% - (Waning Crescent)
1:59PM
2:35AM
0.87% - (Waning Crescent)
3:09PM
2:56AM
0.91% - (Waning Crescent)
4:22PM
3:17AM
0.94% - (Waning Crescent)
5:39PM
3:40AM
0.98% - (New Moon)
7:00PM
4:07AM
1.01% - ()
8:23PM
4:41AM
0.03% - (Waxing Crescent)
9:43PM
5:25AM
0.07% - (Waxing Crescent)
10:53PM
6:21AM
0.1% - (Waxing Crescent)
11:49PM
7:29AM
0.14% - (Waxing Crescent)

8:46AM
0.17% - (Waxing Crescent)
00:32AM
10:04AM
0.21% - (Waxing Crescent)
1:04AM
11:20AM
0
SW
15
NNE
15
E
5
NE
10
ENE
10
ENE
20
NE
20
NE
15
NE
20
NE
20
WNW
20
W
10
SW
10
NNE
15
WNW
10
SSW
35
SE
15
WSW
15
S
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South Boston tide chart key:

The tide chart above shows the height and times of high tide and low tide for Boston Light, 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 South Boston.

Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Boston Light, Boston Harbor was on Sun 19 Apr (height: 3.42m 11.2ft). Next high Spring Tide at Boston Light, Boston Harbor will be on Thu 30 Apr (height: 3.01m 9.9ft).

South Boston tide times for April and May

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

Tide Times for South Boston (tomorrow): Saturday 25 April 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide00:23 AM(Sat 25 April)1.28 ft (0.39 m)
High Tide 6:42 AM(Sat 25 April)9.29 ft (2.83 m)
Low Tide 1:09 PM(Sat 25 April)0.57 ft (0.17 m)
High Tide 7:29 PM(Sat 25 April)8.69 ft (2.65 m)
tide stateSunrise: 5:47AMtide stateSunset: 7:36PMtide stateMoonset: 3:02AMtide stateMoonrise: 1:31PM

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Tide Times for South Boston: Sunday 26 April 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 1:32 AM(Sun 26 April)1.2 ft (0.37 m)
High Tide 7:51 AM(Sun 26 April)9.15 ft (2.79 m)
Low Tide 2:13 PM(Sun 26 April)0.64 ft (0.2 m)
High Tide 8:32 PM(Sun 26 April)8.95 ft (2.73 m)
tide stateSunrise: 5:45AMtide stateSunset: 7:37PMtide stateMoonset: 3:26AMtide stateMoonrise: 2:40PM

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Tide Times for South Boston: Monday 27 April 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 2:38 AM(Mon 27 April)0.95 ft (0.29 m)
High Tide 8:56 AM(Mon 27 April)9.14 ft (2.79 m)
Low Tide 3:10 PM(Mon 27 April)0.63 ft (0.19 m)
High Tide 9:28 PM(Mon 27 April)9.28 ft (2.83 m)
tide stateSunrise: 5:44AMtide stateSunset: 7:38PMtide stateMoonset: 3:47AMtide stateMoonrise: 3:47PM

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Tide Times for South Boston: Tuesday 28 April 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 3:37 AM(Tue 28 April)0.6 ft (0.18 m)
High Tide 9:53 AM(Tue 28 April)9.19 ft (2.8 m)
Low Tide 3:59 PM(Tue 28 April)0.62 ft (0.19 m)
High Tide10:14 PM(Tue 28 April)9.59 ft (2.92 m)
tide stateSunrise: 5:42AMtide stateSunset: 7:39PMtide stateMoonset: 4:07AMtide stateMoonrise: 4:52PM

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Tide Times for South Boston: Wednesday 29 April 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 4:27 AM(Wed 29 April)0.28 ft (0.09 m)
High Tide10:41 AM(Wed 29 April)9.2 ft (2.8 m)
Low Tide 4:42 PM(Wed 29 April)0.67 ft (0.2 m)
High Tide10:54 PM(Wed 29 April)9.79 ft (2.98 m)
tide stateSunrise: 5:41AMtide stateSunset: 7:41PMtide stateMoonset: 4:26AMtide stateMoonrise: 5:57PM

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Tide Times for South Boston: Thursday 30 April 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:11 AM(Thu 30 April)0.06 ft (0.02 m)
High Tide11:24 AM(Thu 30 April)9.14 ft (2.79 m)
Low Tide 5:21 PM(Thu 30 April)0.78 ft (0.24 m)
High Tide11:32 PM(Thu 30 April)9.89 ft (3.01 m)
tide stateSunrise: 5:40AMtide stateSunset: 7:42PMtide stateMoonset: 4:47AMtide stateMoonrise: 7:02PM

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Tide Times for South Boston: Friday 01 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:52 AM(Fri 01 May)-0.05 ft (-0.02 m)
High Tide12:05 PM(Fri 01 May)9.03 ft (2.75 m)
Low Tide 5:59 PM(Fri 01 May)0.94 ft (0.29 m)
tide stateSunrise: 5:38AMtide stateSunset: 7:43PMtide stateMoonset: 5:10AMtide stateMoonrise: 8:08PM

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Tide Times for South Boston: Saturday 02 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide00:08 AM(Sat 02 May)9.89 ft (3.01 m)
Low Tide 6:31 AM(Sat 02 May)-0.03 ft (-0.01 m)
High Tide12:44 PM(Sat 02 May)8.88 ft (2.71 m)
Low Tide 6:36 PM(Sat 02 May)1.12 ft (0.34 m)
tide stateSunrise: 5:37AMtide stateSunset: 7:44PMtide stateMoonset: 5:37AMtide stateMoonrise: 9:13PM

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Tide Times for South Boston: Sunday 03 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide00:45 AM(Sun 03 May)9.81 ft (2.99 m)
Low Tide 7:09 AM(Sun 03 May)0.08 ft (0.02 m)
High Tide 1:22 PM(Sun 03 May)8.7 ft (2.65 m)
Low Tide 7:13 PM(Sun 03 May)1.31 ft (0.4 m)
tide stateSunrise: 5:36AMtide stateSunset: 7:45PMtide stateMoonset: 6:09AMtide stateMoonrise:10:15PM

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Tide Times for South Boston: Monday 04 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 1:22 AM(Mon 04 May)9.66 ft (2.94 m)
Low Tide 7:47 AM(Mon 04 May)0.28 ft (0.09 m)
High Tide 2:01 PM(Mon 04 May)8.5 ft (2.59 m)
Low Tide 7:52 PM(Mon 04 May)1.5 ft (0.46 m)
tide stateSunrise: 5:34AMtide stateSunset: 7:46PMtide stateMoonset: 6:48AMtide stateMoonrise:11:12PM

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Tide Times for South Boston: Tuesday 05 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:01 AM(Tue 05 May)9.45 ft (2.88 m)
Low Tide 8:26 AM(Tue 05 May)0.53 ft (0.16 m)
High Tide 2:41 PM(Tue 05 May)8.28 ft (2.52 m)
Low Tide 8:32 PM(Tue 05 May)1.69 ft (0.52 m)
tide stateSunrise: 5:33AMtide stateSunset: 7:47PMtide stateMoonset: 7:36AM

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Tide Times for South Boston: Wednesday 06 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:42 AM(Wed 06 May)9.21 ft (2.81 m)
Low Tide 9:06 AM(Wed 06 May)0.81 ft (0.25 m)
High Tide 3:23 PM(Wed 06 May)8.06 ft (2.46 m)
Low Tide 9:15 PM(Wed 06 May)1.88 ft (0.57 m)
tide stateSunrise: 5:32AMtide stateSunset: 7:48PMtide stateMoonrise:00:02AMtide stateMoonset: 8:31AM

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Tide Times for South Boston: Thursday 07 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 3:26 AM(Thu 07 May)8.96 ft (2.73 m)
Low Tide 9:51 AM(Thu 07 May)1.07 ft (0.33 m)
High Tide 4:09 PM(Thu 07 May)7.9 ft (2.41 m)
Low Tide10:02 PM(Thu 07 May)2.04 ft (0.62 m)
tide stateSunrise: 5:31AMtide stateSunset: 7:49PMtide stateMoonrise:00:44AMtide stateMoonset: 9:32AM

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Tide Times for South Boston: Friday 08 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 4:14 AM(Fri 08 May)8.74 ft (2.66 m)
Low Tide10:39 AM(Fri 08 May)1.25 ft (0.38 m)
High Tide 4:58 PM(Fri 08 May)7.84 ft (2.39 m)
Low Tide10:53 PM(Fri 08 May)2.1 ft (0.64 m)
tide stateSunrise: 5:29AMtide stateSunset: 7:50PMtide stateMoonrise: 1:19AMtide stateMoonset:10:37AM

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Tide Times for South Boston: Saturday 09 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 5:06 AM(Sat 09 May)8.6 ft (2.62 m)
Low Tide11:30 AM(Sat 09 May)1.32 ft (0.4 m)
High Tide 5:49 PM(Sat 09 May)7.95 ft (2.42 m)
Low Tide11:48 PM(Sat 09 May)2.01 ft (0.61 m)
tide stateSunrise: 5:28AMtide stateSunset: 7:51PMtide stateMoonrise: 1:48AMtide stateMoonset:11:43AM

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Tide Times for South Boston: Sunday 10 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 6:00 AM(Sun 10 May)8.57 ft (2.61 m)
Low Tide12:20 PM(Sun 10 May)1.27 ft (0.39 m)
High Tide 6:39 PM(Sun 10 May)8.22 ft (2.51 m)
tide stateSunrise: 5:27AMtide stateSunset: 7:53PMtide stateMoonrise: 2:12AMtide stateMoonset:12:51PM

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Tide Times for South Boston: Monday 11 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide00:42 AM(Mon 11 May)1.75 ft (0.53 m)
High Tide 6:54 AM(Mon 11 May)8.64 ft (2.63 m)
Low Tide 1:10 PM(Mon 11 May)1.12 ft (0.34 m)
High Tide 7:29 PM(Mon 11 May)8.64 ft (2.63 m)
tide stateSunrise: 5:26AMtide stateSunset: 7:54PMtide stateMoonrise: 2:35AMtide stateMoonset: 1:59PM

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Tide Times for South Boston: Tuesday 12 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 1:37 AM(Tue 12 May)1.31 ft (0.4 m)
High Tide 7:49 AM(Tue 12 May)8.8 ft (2.68 m)
Low Tide 2:01 PM(Tue 12 May)0.89 ft (0.27 m)
High Tide 8:19 PM(Tue 12 May)9.21 ft (2.81 m)
tide stateSunrise: 5:25AMtide stateSunset: 7:55PMtide stateMoonrise: 2:56AMtide stateMoonset: 3:09PM

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Tide Times for South Boston: Wednesday 13 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 2:33 AM(Wed 13 May)0.72 ft (0.22 m)
High Tide 8:45 AM(Wed 13 May)9.05 ft (2.76 m)
Low Tide 2:52 PM(Wed 13 May)0.61 ft (0.19 m)
High Tide 9:08 PM(Wed 13 May)9.85 ft (3.0 m)
tide stateSunrise: 5:24AMtide stateSunset: 7:56PMtide stateMoonrise: 3:17AMtide stateMoonset: 4:22PM

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Tide Times for South Boston: Thursday 14 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 3:27 AM(Thu 14 May)0.04 ft (0.01 m)
High Tide 9:39 AM(Thu 14 May)9.36 ft (2.85 m)
Low Tide 3:41 PM(Thu 14 May)0.31 ft (0.09 m)
High Tide 9:56 PM(Thu 14 May)10.5 ft (3.2 m)
tide stateSunrise: 5:23AMtide stateSunset: 7:57PMtide stateMoonrise: 3:40AMtide stateMoonset: 5:39PM

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Tide Times for South Boston: Friday 15 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 4:18 AM(Fri 15 May)-0.63 ft (-0.19 m)
High Tide10:31 AM(Fri 15 May)9.64 ft (2.94 m)
Low Tide 4:30 PM(Fri 15 May)0.06 ft (0.02 m)
High Tide10:44 PM(Fri 15 May)11.04 ft (3.36 m)
tide stateSunrise: 5:22AMtide stateSunset: 7:58PMtide stateMoonrise: 4:07AMtide stateMoonset: 7:00PM

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Tide Times for South Boston: Saturday 16 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 5:09 AM(Sat 16 May)-1.16 ft (-0.35 m)
High Tide11:22 AM(Sat 16 May)9.83 ft (3.0 m)
Low Tide 5:19 PM(Sat 16 May)-0.1 ft (-0.03 m)
High Tide11:33 PM(Sat 16 May)11.39 ft (3.47 m)
tide stateSunrise: 5:21AMtide stateSunset: 7:59PMtide stateMoonrise: 4:41AMtide stateMoonset: 8:23PM

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Tide Times for South Boston: Sunday 17 May 2026

Tidetide stateTime (EDT)& DateHeight
Low Tide 6:00 AM(Sun 17 May)-1.47 ft (-0.45 m)
High Tide12:14 PM(Sun 17 May)9.9 ft (3.02 m)
Low Tide 6:10 PM(Sun 17 May)-0.13 ft (-0.04 m)
tide stateSunrise: 5:20AMtide stateSunset: 8:00PMtide stateMoonrise: 5:25AMtide stateMoonset: 9:43PM

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Tide Times for South Boston: Monday 18 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide00:24 AM(Mon 18 May)11.52 ft (3.51 m)
Low Tide 6:53 AM(Mon 18 May)-1.54 ft (-0.47 m)
High Tide 1:08 PM(Mon 18 May)9.85 ft (3.0 m)
Low Tide 7:03 PM(Mon 18 May)-0.05 ft (-0.02 m)
tide stateSunrise: 5:19AMtide stateSunset: 8:01PMtide stateMoonrise: 6:21AMtide stateMoonset:10:53PM

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Tide Times for South Boston: Tuesday 19 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 1:17 AM(Tue 19 May)11.42 ft (3.48 m)
Low Tide 7:47 AM(Tue 19 May)-1.39 ft (-0.42 m)
High Tide 2:03 PM(Tue 19 May)9.7 ft (2.96 m)
Low Tide 7:58 PM(Tue 19 May)0.15 ft (0.05 m)
tide stateSunrise: 5:18AMtide stateSunset: 8:02PMtide stateMoonrise: 7:29AMtide stateMoonset:11:49PM

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Tide Times for South Boston: Wednesday 20 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 2:13 AM(Wed 20 May)11.12 ft (3.39 m)
Low Tide 8:42 AM(Wed 20 May)-1.06 ft (-0.32 m)
High Tide 2:59 PM(Wed 20 May)9.48 ft (2.89 m)
Low Tide 8:55 PM(Wed 20 May)0.43 ft (0.13 m)
tide stateSunrise: 5:17AMtide stateSunset: 8:03PMtide stateMoonrise: 8:46AM

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Tide Times for South Boston: Thursday 21 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 3:10 AM(Thu 21 May)10.66 ft (3.25 m)
Low Tide 9:40 AM(Thu 21 May)-0.61 ft (-0.19 m)
High Tide 3:59 PM(Thu 21 May)9.25 ft (2.82 m)
Low Tide 9:55 PM(Thu 21 May)0.75 ft (0.23 m)
tide stateSunrise: 5:16AMtide stateSunset: 8:04PMtide stateMoonset:00:32AMtide stateMoonrise:10:04AM

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Tide Times for South Boston: Friday 22 May 2026

Tidetide stateTime (EDT)& DateHeight
High Tide 4:12 AM(Fri 22 May)10.12 ft (3.08 m)
Low Tide10:41 AM(Fri 22 May)-0.15 ft (-0.05 m)
High Tide 5:02 PM(Fri 22 May)9.1 ft (2.77 m)
Low Tide11:01 PM(Fri 22 May)1.0 ft (0.3 m)
tide stateSunrise: 5:15AMtide stateSunset: 8:05PMtide stateMoonset: 1:04AMtide stateMoonrise:11:20AM

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