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 Thursday 12 February 2026 for South Boston are: first low tide at 00:46am, first high tide at 7:06am, second low tide at 1:43pm, second high tide at 7:55pm. Sunrise is at 6:43am and sunset is at 5:12pm.

Today's tide times for South Boston: Thursday 12 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide00:46 AM(Thu 12 February)2.11 ft (0.64 m)
High Tide 7:06 AM(Thu 12 February)8.34 ft (2.54 m)
Low Tide 1:43 PM(Thu 12 February)1.41 ft (0.43 m)
High Tide 7:55 PM(Thu 12 February)7.16 ft (2.18 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 EST (UTC -5.0hrs).

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
(EST)
LOW
(EST)
Sun
Moon
Set
Rise
Wind

Thursday, 12 Feb
13 Feb
14 Feb
15 Feb
16 Feb
17 Feb
18 Feb
19 Feb
20 Feb
21 Feb
22 Feb
23 Feb
24 Feb
25 Feb
26 Feb
27 Feb
28 Feb
1 Mar
2 Mar
3 Mar
4 Mar
5 Mar
6 Mar
7 Mar
8 Mar
9 Mar
10 Mar
11 Mar
12 Mar
AMPMFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWedThu
7:06AM2.54m
7:55PM2.18m
8:03AM2.61m
8:48PM2.26m
8:53AM2.71m
9:32PM2.37m
9:37AM2.83m
10:12PM2.49m
10:18AM2.94m
10:49PM2.62m
10:58AM3.02m
11:27PM2.75m
11:38AM3.07m
00:05AM2.87m
12:20PM3.08m
00:43AM2.98m
1:02PM3.04m
1:24AM3.05m
1:47PM2.95m
2:08AM3.08m
2:37PM2.81m
2:57AM3.05m
3:32PM2.65m
3:53AM2.99m
4:34PM2.52m
4:54AM2.93m
5:41PM2.43m
6:01AM2.89m
6:51PM2.42m
7:11AM2.90m
8:02PM2.49m
8:20AM2.97m
9:04PM2.63m
9:20AM3.06m
9:57PM2.77m
10:12AM3.12m
10:44PM2.89m
11:00AM3.14m
11:27PM2.96m
11:45AM3.10m
00:08AM3.00m
12:28PM3.01m
00:48AM2.99m
1:10PM2.89m
1:26AM2.94m
1:51PM2.74m
3:05AM2.86m
3:35PM2.58m
3:48AM2.75m
4:23PM2.42m
4:35AM2.64m
5:15PM2.29m
5:28AM2.55m
6:12PM2.20m
6:24AM2.50m
7:10PM2.17m
00:46AM0.64m
1:43PM0.43m
1:43AM0.61m
2:37PM0.35m
2:35AM0.52m
3:22PM0.24m
3:20AM0.40m
4:01PM0.12m
4:02AM0.27m
4:38PM0.01m
4:43AM0.14m
5:15PM-0.08m
5:24AM0.03m
5:53PM-0.15m
6:07AM-0.07m
6:31PM-0.18m
6:51AM-0.14m
7:12PM-0.16m
7:36AM-0.16m
7:54PM-0.09m
8:25AM-0.13m
8:41PM0.01m
9:20AM-0.06m
9:34PM0.14m
10:21AM0.03m
10:34PM0.26m
11:27AM0.10m
11:39PM0.33m
12:36PM0.12m
00:47AM0.34m
1:47PM0.08m
1:57AM0.27m
2:50PM-0.02m
2:59AM0.15m
3:44PM-0.12m
3:54AM0.02m
4:32PM-0.18m
4:44AM-0.07m
5:16PM-0.20m
5:31AM-0.11m
5:57PM-0.16m
6:15AM-0.11m
6:37PM-0.07m
6:58AM-0.07m
7:15PM0.05m
7:40AM0.01m
7:54PM0.19m
9:23AM0.12m
9:35PM0.34m
10:09AM0.25m
10:21PM0.48m
11:01AM0.38m
11:12PM0.60m
11:57AM0.47m
00:06AM0.67m
12:55PM0.52m
tide state
6:43AM
tide state
5:12PM
6:42AM
5:13PM
6:41AM
5:14PM
6:39AM
5:15PM
6:38AM
5:17PM
6:37AM
5:18PM
6:35AM
5:19PM
6:34AM
5:21PM
6:32AM
5:22PM
6:31AM
5:23PM
6:29AM
5:24PM
6:28AM
5:26PM
6:26AM
5:27PM
6:25AM
5:28PM
6:23AM
5:29PM
6:22AM
5:31PM
6:20AM
5:32PM
6:18AM
5:33PM
6:17AM
5:34PM
6:15AM
5:35PM
6:14AM
5:37PM
6:12AM
5:38PM
6:10AM
5:39PM
6:09AM
5:40PM
7:07AM
6:41PM
7:05AM
6:43PM
7:04AM
6:44PM
7:02AM
6:45PM
7:00AM
6:46PM
0.84% - (Waning Crescent)
tide state
3:47AM
0.85% - (Waning Crescent)
tide state
12:08PM
0.88% - (Waning Crescent)
1:06PM
4:37AM
0.91% - (Waning Crescent)
2:10PM
5:19AM
0.95% - (Waning Crescent)
3:19PM
5:53AM
0.98% - (New Moon)
4:29PM
6:22AM
0.03% - (Waxing Crescent)
5:40PM
6:46AM
0.07% - (Waxing Crescent)
6:51PM
7:08AM
0.1% - (Waxing Crescent)
8:02PM
7:29AM
0.14% - (Waxing Crescent)
9:15PM
7:50AM
0.17% - (Waxing Crescent)
10:30PM
8:13AM
0.21% - (Waxing Crescent)
11:48PM
8:40AM
0.24% - (First Quarter)

9:13AM
0.28% - (First Quarter)
1:05AM
9:55AM
0.31% - (Waxing Gibbous)
2:19AM
10:49AM
0.35% - (Waxing Gibbous)
3:23AM
11:54AM
0.38% - (Waxing Gibbous)
4:16AM
1:07PM
0.42% - (Waxing Gibbous)
4:57AM
2:24PM
0.45% - (Waxing Gibbous)
5:29AM
3:40PM
0.49% - (Full Moon)
5:55AM
4:53PM
0.52% - (Full Moon)
6:17AM
6:03PM
0.56% - (Waning Gibbous)
6:37AM
7:11PM
0.59% - (Waning Gibbous)
6:57AM
8:17PM
0.63% - (Waning Gibbous)
7:17AM
9:23PM
0.67% - (Waning Gibbous)
7:39AM
10:29PM
0.68% - (Waning Gibbous)
9:05AM

0.7% - (Waning Gibbous)
9:35AM
00:34AM
0.74% - (Last Quarter)
10:12AM
1:37AM
0.77% - (Last Quarter)
10:58AM
2:36AM
0.81% - (Waning Crescent)
11:52AM
3:29AM
25
WNW
20
NW
20
NW
15
NW
10
WNW
15
WNW
15
N
5
N
5
WSW
15
S
35
NNE
20
NNE
15
NE
25
E
25
WNW
30
WNW
35
WNW
30
NW
25
ENE
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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 EST (UTC -5.0hrs). Last Spring High Tide at Boston Light, Boston Harbor was on Mon 02 Feb (height: 3.27m 10.7ft). Next high Spring Tide at Boston Light, Boston Harbor will be on Thu 19 Feb (height: 3.08m 10.1ft).

South Boston tide times for February and March

February and March 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): Friday 13 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 1:43 AM(Fri 13 February)1.99 ft (0.61 m)
High Tide 8:03 AM(Fri 13 February)8.55 ft (2.61 m)
Low Tide 2:37 PM(Fri 13 February)1.14 ft (0.35 m)
High Tide 8:48 PM(Fri 13 February)7.42 ft (2.26 m)
tide stateSunrise: 6:42AMtide stateSunset: 5:13PMtide stateMoonrise: 4:37AMtide stateMoonset: 1:06PM

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Tide Times for South Boston: Saturday 14 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 2:35 AM(Sat 14 February)1.7 ft (0.52 m)
High Tide 8:53 AM(Sat 14 February)8.9 ft (2.71 m)
Low Tide 3:22 PM(Sat 14 February)0.79 ft (0.24 m)
High Tide 9:32 PM(Sat 14 February)7.78 ft (2.37 m)
tide stateSunrise: 6:41AMtide stateSunset: 5:14PMtide stateMoonrise: 5:19AMtide stateMoonset: 2:10PM

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Tide Times for South Boston: Sunday 15 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 3:20 AM(Sun 15 February)1.31 ft (0.4 m)
High Tide 9:37 AM(Sun 15 February)9.28 ft (2.83 m)
Low Tide 4:01 PM(Sun 15 February)0.41 ft (0.12 m)
High Tide10:12 PM(Sun 15 February)8.18 ft (2.49 m)
tide stateSunrise: 6:39AMtide stateSunset: 5:15PMtide stateMoonrise: 5:53AMtide stateMoonset: 3:19PM

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Tide Times for South Boston: Monday 16 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 4:02 AM(Mon 16 February)0.89 ft (0.27 m)
High Tide10:18 AM(Mon 16 February)9.64 ft (2.94 m)
Low Tide 4:38 PM(Mon 16 February)0.04 ft (0.01 m)
High Tide10:49 PM(Mon 16 February)8.6 ft (2.62 m)
tide stateSunrise: 6:38AMtide stateSunset: 5:17PMtide stateMoonrise: 6:22AMtide stateMoonset: 4:29PM

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Tide Times for South Boston: Tuesday 17 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 4:43 AM(Tue 17 February)0.47 ft (0.14 m)
High Tide10:58 AM(Tue 17 February)9.91 ft (3.02 m)
Low Tide 5:15 PM(Tue 17 February)-0.27 ft (-0.08 m)
High Tide11:27 PM(Tue 17 February)9.03 ft (2.75 m)
tide stateSunrise: 6:37AMtide stateSunset: 5:18PMtide stateMoonrise: 6:46AMtide stateMoonset: 5:40PM

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Tide Times for South Boston: Wednesday 18 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 5:24 AM(Wed 18 February)0.09 ft (0.03 m)
High Tide11:38 AM(Wed 18 February)10.08 ft (3.07 m)
Low Tide 5:53 PM(Wed 18 February)-0.48 ft (-0.15 m)
tide stateSunrise: 6:35AMtide stateSunset: 5:19PMtide stateMoonrise: 7:08AMtide stateMoonset: 6:51PM

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Tide Times for South Boston: Thursday 19 February 2026

Tidetide stateTime (EST)& DateHeight
High Tide00:05 AM(Thu 19 February)9.43 ft (2.87 m)
Low Tide 6:07 AM(Thu 19 February)-0.23 ft (-0.07 m)
High Tide12:20 PM(Thu 19 February)10.1 ft (3.08 m)
Low Tide 6:31 PM(Thu 19 February)-0.58 ft (-0.18 m)
tide stateSunrise: 6:34AMtide stateSunset: 5:21PMtide stateMoonrise: 7:29AMtide stateMoonset: 8:02PM

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Tide Times for South Boston: Friday 20 February 2026

Tidetide stateTime (EST)& DateHeight
High Tide00:43 AM(Fri 20 February)9.78 ft (2.98 m)
Low Tide 6:51 AM(Fri 20 February)-0.45 ft (-0.14 m)
High Tide 1:02 PM(Fri 20 February)9.97 ft (3.04 m)
Low Tide 7:12 PM(Fri 20 February)-0.53 ft (-0.16 m)
tide stateSunrise: 6:32AMtide stateSunset: 5:22PMtide stateMoonrise: 7:50AMtide stateMoonset: 9:15PM

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Tide Times for South Boston: Saturday 21 February 2026

Tidetide stateTime (EST)& DateHeight
High Tide 1:24 AM(Sat 21 February)10.01 ft (3.05 m)
Low Tide 7:36 AM(Sat 21 February)-0.53 ft (-0.16 m)
High Tide 1:47 PM(Sat 21 February)9.67 ft (2.95 m)
Low Tide 7:54 PM(Sat 21 February)-0.31 ft (-0.09 m)
tide stateSunrise: 6:31AMtide stateSunset: 5:23PMtide stateMoonrise: 8:13AMtide stateMoonset:10:30PM

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Tide Times for South Boston: Sunday 22 February 2026

Tidetide stateTime (EST)& DateHeight
High Tide 2:08 AM(Sun 22 February)10.09 ft (3.08 m)
Low Tide 8:25 AM(Sun 22 February)-0.43 ft (-0.13 m)
High Tide 2:37 PM(Sun 22 February)9.22 ft (2.81 m)
Low Tide 8:41 PM(Sun 22 February)0.04 ft (0.01 m)
tide stateSunrise: 6:29AMtide stateSunset: 5:24PMtide stateMoonrise: 8:40AMtide stateMoonset:11:48PM

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Tide Times for South Boston: Monday 23 February 2026

Tidetide stateTime (EST)& DateHeight
High Tide 2:57 AM(Mon 23 February)10.01 ft (3.05 m)
Low Tide 9:20 AM(Mon 23 February)-0.2 ft (-0.06 m)
High Tide 3:32 PM(Mon 23 February)8.71 ft (2.65 m)
Low Tide 9:34 PM(Mon 23 February)0.47 ft (0.14 m)
tide stateSunrise: 6:28AMtide stateSunset: 5:26PMtide stateMoonrise: 9:13AM

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Tide Times for South Boston: Tuesday 24 February 2026

Tidetide stateTime (EST)& DateHeight
High Tide 3:53 AM(Tue 24 February)9.82 ft (2.99 m)
Low Tide10:21 AM(Tue 24 February)0.09 ft (0.03 m)
High Tide 4:34 PM(Tue 24 February)8.26 ft (2.52 m)
Low Tide10:34 PM(Tue 24 February)0.85 ft (0.26 m)
tide stateSunrise: 6:26AMtide stateSunset: 5:27PMtide stateMoonset: 1:05AMtide stateMoonrise: 9:55AM

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Tide Times for South Boston: Wednesday 25 February 2026

Tidetide stateTime (EST)& DateHeight
High Tide 4:54 AM(Wed 25 February)9.61 ft (2.93 m)
Low Tide11:27 AM(Wed 25 February)0.32 ft (0.1 m)
High Tide 5:41 PM(Wed 25 February)7.97 ft (2.43 m)
Low Tide11:39 PM(Wed 25 February)1.09 ft (0.33 m)
tide stateSunrise: 6:25AMtide stateSunset: 5:28PMtide stateMoonset: 2:19AMtide stateMoonrise:10:49AM

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Tide Times for South Boston: Thursday 26 February 2026

Tidetide stateTime (EST)& DateHeight
High Tide 6:01 AM(Thu 26 February)9.49 ft (2.89 m)
Low Tide12:36 PM(Thu 26 February)0.39 ft (0.12 m)
High Tide 6:51 PM(Thu 26 February)7.93 ft (2.42 m)
tide stateSunrise: 6:23AMtide stateSunset: 5:29PMtide stateMoonset: 3:23AMtide stateMoonrise:11:54AM

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Tide Times for South Boston: Friday 27 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide00:47 AM(Fri 27 February)1.12 ft (0.34 m)
High Tide 7:11 AM(Fri 27 February)9.52 ft (2.9 m)
Low Tide 1:47 PM(Fri 27 February)0.25 ft (0.08 m)
High Tide 8:02 PM(Fri 27 February)8.18 ft (2.49 m)
tide stateSunrise: 6:22AMtide stateSunset: 5:31PMtide stateMoonset: 4:16AMtide stateMoonrise: 1:07PM

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Tide Times for South Boston: Saturday 28 February 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 1:57 AM(Sat 28 February)0.89 ft (0.27 m)
High Tide 8:20 AM(Sat 28 February)9.75 ft (2.97 m)
Low Tide 2:50 PM(Sat 28 February)-0.07 ft (-0.02 m)
High Tide 9:04 PM(Sat 28 February)8.62 ft (2.63 m)
tide stateSunrise: 6:20AMtide stateSunset: 5:32PMtide stateMoonset: 4:57AMtide stateMoonrise: 2:24PM

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Tide Times for South Boston: Sunday 01 March 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 2:59 AM(Sun 01 March)0.48 ft (0.15 m)
High Tide 9:20 AM(Sun 01 March)10.05 ft (3.06 m)
Low Tide 3:44 PM(Sun 01 March)-0.39 ft (-0.12 m)
High Tide 9:57 PM(Sun 01 March)9.08 ft (2.77 m)
tide stateSunrise: 6:18AMtide stateSunset: 5:33PMtide stateMoonset: 5:29AMtide stateMoonrise: 3:40PM

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Tide Times for South Boston: Monday 02 March 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 3:54 AM(Mon 02 March)0.08 ft (0.02 m)
High Tide10:12 AM(Mon 02 March)10.25 ft (3.12 m)
Low Tide 4:32 PM(Mon 02 March)-0.59 ft (-0.18 m)
High Tide10:44 PM(Mon 02 March)9.47 ft (2.89 m)
tide stateSunrise: 6:17AMtide stateSunset: 5:34PMtide stateMoonset: 5:55AMtide stateMoonrise: 4:53PM

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Tide Times for South Boston: Tuesday 03 March 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 4:44 AM(Tue 03 March)-0.22 ft (-0.07 m)
High Tide11:00 AM(Tue 03 March)10.29 ft (3.14 m)
Low Tide 5:16 PM(Tue 03 March)-0.64 ft (-0.2 m)
High Tide11:27 PM(Tue 03 March)9.72 ft (2.96 m)
tide stateSunrise: 6:15AMtide stateSunset: 5:35PMtide stateMoonset: 6:17AMtide stateMoonrise: 6:03PM

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Tide Times for South Boston: Wednesday 04 March 2026

Tidetide stateTime (EST)& DateHeight
Low Tide 5:31 AM(Wed 04 March)-0.37 ft (-0.11 m)
High Tide11:45 AM(Wed 04 March)10.16 ft (3.1 m)
Low Tide 5:57 PM(Wed 04 March)-0.51 ft (-0.16 m)
tide stateSunrise: 6:14AMtide stateSunset: 5:37PMtide stateMoonset: 6:37AMtide stateMoonrise: 7:11PM

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Tide Times for South Boston: Thursday 05 March 2026

Tidetide stateTime (EST)& DateHeight
High Tide00:08 AM(Thu 05 March)9.83 ft (3.0 m)
Low Tide 6:15 AM(Thu 05 March)-0.37 ft (-0.11 m)
High Tide12:28 PM(Thu 05 March)9.88 ft (3.01 m)
Low Tide 6:37 PM(Thu 05 March)-0.24 ft (-0.07 m)
tide stateSunrise: 6:12AMtide stateSunset: 5:38PMtide stateMoonset: 6:57AMtide stateMoonrise: 8:17PM

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Tide Times for South Boston: Friday 06 March 2026

Tidetide stateTime (EST)& DateHeight
High Tide00:48 AM(Fri 06 March)9.8 ft (2.99 m)
Low Tide 6:58 AM(Fri 06 March)-0.23 ft (-0.07 m)
High Tide 1:10 PM(Fri 06 March)9.47 ft (2.89 m)
Low Tide 7:15 PM(Fri 06 March)0.15 ft (0.05 m)
tide stateSunrise: 6:10AMtide stateSunset: 5:39PMtide stateMoonset: 7:17AMtide stateMoonrise: 9:23PM

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Tide Times for South Boston: Saturday 07 March 2026

Tidetide stateTime (EST)& DateHeight
High Tide 1:26 AM(Sat 07 March)9.64 ft (2.94 m)
Low Tide 7:40 AM(Sat 07 March)0.03 ft (0.01 m)
High Tide 1:51 PM(Sat 07 March)8.98 ft (2.74 m)
Low Tide 7:54 PM(Sat 07 March)0.62 ft (0.19 m)
tide stateSunrise: 6:09AMtide stateSunset: 5:40PMtide stateMoonset: 7:39AMtide stateMoonrise:10:29PM

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Tide Times for South Boston: Sunday 08 March 2026

Tidetide stateTime (EST)& DateHeight
High Tide 3:05 AM(Sun 08 March)9.37 ft (2.86 m)
Low Tide 9:23 AM(Sun 08 March)0.4 ft (0.12 m)
High Tide 3:35 PM(Sun 08 March)8.45 ft (2.58 m)
Low Tide 9:35 PM(Sun 08 March)1.11 ft (0.34 m)
tide stateSunrise: 7:07AMtide stateSunset: 6:41PMtide stateMoonset: 9:05AM

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Tide Times for South Boston: Monday 09 March 2026

Tidetide stateTime (EST)& DateHeight
High Tide 3:48 AM(Mon 09 March)9.02 ft (2.75 m)
Low Tide10:09 AM(Mon 09 March)0.83 ft (0.25 m)
High Tide 4:23 PM(Mon 09 March)7.93 ft (2.42 m)
Low Tide10:21 PM(Mon 09 March)1.59 ft (0.48 m)
tide stateSunrise: 7:05AMtide stateSunset: 6:43PMtide stateMoonrise:00:34AMtide stateMoonset: 9:35AM

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Tide Times for South Boston: Tuesday 10 March 2026

Tidetide stateTime (EST)& DateHeight
High Tide 4:35 AM(Tue 10 March)8.66 ft (2.64 m)
Low Tide11:01 AM(Tue 10 March)1.24 ft (0.38 m)
High Tide 5:15 PM(Tue 10 March)7.51 ft (2.29 m)
Low Tide11:12 PM(Tue 10 March)1.96 ft (0.6 m)
tide stateSunrise: 7:04AMtide stateSunset: 6:44PMtide stateMoonrise: 1:37AMtide stateMoonset:10:12AM

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Tide Times for South Boston: Wednesday 11 March 2026

Tidetide stateTime (EST)& DateHeight
High Tide 5:28 AM(Wed 11 March)8.36 ft (2.55 m)
Low Tide11:57 AM(Wed 11 March)1.55 ft (0.47 m)
High Tide 6:12 PM(Wed 11 March)7.22 ft (2.2 m)
tide stateSunrise: 7:02AMtide stateSunset: 6:45PMtide stateMoonrise: 2:36AMtide stateMoonset:10:58AM

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Tide Times for South Boston: Thursday 12 March 2026

Tidetide stateTime (EST)& DateHeight
Low Tide00:06 AM(Thu 12 March)2.19 ft (0.67 m)
High Tide 6:24 AM(Thu 12 March)8.2 ft (2.5 m)
Low Tide12:55 PM(Thu 12 March)1.69 ft (0.52 m)
High Tide 7:10 PM(Thu 12 March)7.12 ft (2.17 m)
tide stateSunrise: 7:00AMtide stateSunset: 6:46PMtide stateMoonrise: 3:29AMtide stateMoonset:11:52AM

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