Deer Island (south end), Boston Harbor Sea Conditions table showing wave height, swell direction and period.
High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 07:02 PM.
Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Fri night. Cool air temperatures (max 12°C on Fri afternoon, min 2°C on Sat afternoon). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 15mm), heaviest on Mon night. Icy conditions (max 16°C on Mon afternoon, min -2°C on Tue night). Wind will be generally light. | Days 8–10 Weather SummaryHeavy rain (total 31mm), heaviest during Thu afternoon. Later becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 8°C on Fri afternoon, min -1°C on Wed afternoon). Winds decreasing (strong winds from the N on Thu night, calm by Fri night). | Days 11–13 Weather SummaryLight rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 15°C on Tue afternoon, min 6°C on Sat afternoon). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tue 8 | ||||||||||||||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 10:38PM2.99m | 10:59AM3.21m | 11:23PM3.20m | 11:48AM3.28m | 00:09AM3.36m | 12:38PM3.29m | 00:56AM3.46m | 1:29PM3.23m | 1:45AM3.47m | 2:21PM3.11m | 2:35AM3.41m | 3:14PM2.95m | 3:28AM3.27m | 4:12PM2.77m | 4:27AM3.09m | 5:16PM2.62m | 5:32AM2.92m | 6:25PM2.52m | 6:41AM2.80m | 7:34PM2.50m | 7:51AM2.74m | 8:40PM2.55m | 8:58AM2.74m | |||||||||||||
Low Tide | 4:26PM-0.11m | 4:47AM-0.15m | 5:13PM-0.24m | 5:36AM-0.35m | 5:59PM-0.32m | 6:26AM-0.49m | 6:46PM-0.33m | 7:16AM-0.54m | 7:33PM-0.28m | 8:07AM-0.50m | 8:23PM-0.16m | 9:00AM-0.38m | 9:14PM0.01m | 9:56AM-0.20m | 10:10PM0.20m | 10:57AM-0.01m | 11:12PM0.36m | 12:03PM0.14m | 00:18AM0.47m | 1:09PM0.24m | 1:26AM0.50m | 2:15PM0.27m | 2:32AM0.47m | |||||||||||||
ESE 8 | ESE 7 | W 3 | E 7 | E 8 | NE 4 | NE 5 | ENE 6 | ENE 5 | ENE 5 | E 5 | SSE 4 | S 4 | NNW 4 | NE 6 | NE 7 | NE 6 | NE 6 | NE 6 | E 4 | E 6 | E 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 9 | E 9 | E 9 | E 8 | E 8 | ESE 3 | SE 3 | SSE 3 | |
 |  |  | |  |  | | | | |  | | | | |  | | | | | |  |  | | | | | | | | | | | |  | | |
cloudy | some clouds | some clouds | cloudy | light rain | light rain | cloudy | some clouds | light rain | light rain | rain shwrs | cloudy | cloudy | rain shwrs | some clouds | clear | some clouds | cloudy | some clouds | some clouds | light rain | heavy rain | light snow | some clouds | some clouds | some clouds | cloudy | light rain | rain shwrs | cloudy | some clouds | some clouds | clear | some clouds | clear | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | 2.0 | 1.0 | — | — | 1.0 | 2.0 | 1.0 | — | — | 12 | — | — | — | — | — | — | 2.0 | 25 | 4 | — | — | — | — | 1.0 | 1.0 | — | — | — | — | — | — | — | |
max°C | 8 | 8 | 7 | 12 | 11 | 4 | 3 | 2 | 2 | 3 | 10 | 15 | 16 | 13 | 0 | 3 | 2 | -1 | 0 | 1 | 4 | 7 | 6 | 6 | 8 | 6 | 6 | 7 | 9 | 11 | 14 | 9 | 9 | 12 | 10 | 13 |
Moonrise | 5:44 | — | 6:07 | — | — | 6:30 | — | — | 6:55 | — | — | 7:23 | — | — | 7:57 | — | — | 8:39 | — | — | 9:32 | — | — | 10:35 | — | — | 11:44 | — | — | 12:55 | — | — | 2:04 | — | — | 3:10 |
Moonset | 5:03 | — | — | 6:22 | — | — | 7:43 | — | — | — | 9:05 | — | — | 10:28 | — | — | 11:50 | — | — | — | 1:05 | — | — | 2:09 | — | — | 3:00 | — | — | 3:39 | — | — | 4:09 | — | — | 4:33 |
 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 |
 | 7:02 | — | — | 7:04 | — | — | 7:05 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:09 | — | — | 7:10 | — | — | 7:12 | — | — | 7:13 | — | — | 7:14 | — | — | 7:15 | — | — |
Today's sea temperature in Deer Island (south end), Boston Harbor is 4.8 °C (Statistics for 27 Mar 1981-2005 – mean: 4.1 max: 5.3 min: 2.6°C) | ||||||||||||||||||||||||||||||||||||
Nearest