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 06:58 AM and sunset is at 04:10 PM.
Days 1–3 Weather SummaryMostly dry. Icy conditions (max 3°C on Sun morning, min -7°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 4mm), mostly falling on Wed night. Icy conditions (max 8°C on Wed morning, min -2°C on Thu night). Winds decreasing (fresh winds from the SW on Wed afternoon, light winds from the WNW by Thu night). | Days 7–9 Weather SummaryMostly dry. Temperatures will be below freezing (max 0°C on Sat afternoon, min -6°C on Sat night). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Freeze-thaw conditions (max 4°C on Thu night, min -4°C on Tue night). Winds decreasing (fresh winds from the NNE on Tue afternoon, light winds from the W by Wed night). | ||||||||||||||||||||||||||||||||
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | ||||||||||||||||||||||||
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 | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 12:31PM3.46m | 1:16AM2.90m | 1:26PM3.33m | 2:11AM2.83m | 2:22PM3.15m | 3:07AM2.77m | 3:21PM2.97m | 4:06AM2.72m | 4:22PM2.79m | 5:04AM2.69m | 5:24PM2.65m | 5:59AM2.69m | 6:24PM2.54m | 6:52AM2.71m | 7:24PM2.48m | 7:43AM2.74m | 8:20PM2.46m | 8:31AM2.79m | 9:09PM2.46m | 9:13AM2.84m | 9:52PM2.47m | 9:53AM2.88m | |||||||||||||
Low Tide | 6:59PM-0.40m | 7:10AM0.04m | 7:52PM-0.27m | 8:05AM0.15m | 8:47PM-0.11m | 9:03AM0.26m | 9:43PM0.05m | 10:05AM0.35m | 10:41PM0.19m | 11:07AM0.40m | 11:36PM0.30m | 12:08PM0.41m | 00:29AM0.40m | 1:08PM0.38m | 1:21AM0.46m | 2:04PM0.33m | 2:11AM0.49m | 2:55PM0.27m | 2:56AM0.49m | 3:39PM0.20m | 3:38AM0.47m | 4:19PM0.15m | |||||||||||||
ESE 9 | ESE 9 | ESE 8 | N 5 | NE 7 | ENE 7 | E 9 | SSW 3 | S 4 | SSW 3 | S 4 | SW 4 | WNW 4 | WNW 3 | ESE 10 | ESE 8 | NNW 3 | NNW 4 | NNW 3 | E 8 | NNW 3 | NNW 3 | NNW 4 | WNW 4 | WNW 3 | E 9 | NE 3 | NE 5 | NE 7 | ENE 9 | ENE 10 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | |
 |  |  |  | | | | |  | |  |  | | |  | | | | | | | | |  | | | | | | | | | | | | |
some clouds | cloudy | clear | clear | cloudy | clear | some clouds | cloudy | light rain | cloudy | light rain | rain shwrs | clear | clear | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | some clouds | some clouds | cloudy | |
km/h | |||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | 1 | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 3 | 3 | 1 | -5 | -5 | -6 | -2 | 0 | 3 | 8 | 8 | 6 | 3 | 2 | -1 | 3 | 2 | -2 | -1 | 0 | -3 | -2 | -2 | -4 | -1 | 0 | -1 | 0 | -1 | -3 | 1 | 1 | -1 | 2 | 2 |
Moonrise | — | 7:06 | — | — | 8:23 | — | — | — | 9:37 | — | — | 10:46 | — | — | 11:52 | — | — | — | 12:55 | — | — | 1:58 | — | — | 3:00 | — | — | 4:04 | — | — | 5:08 | — | — | 6:10 | — |
Moonset | 10:00 | — | — | 10:38 | — | — | 11:07 | — | — | 11:31 | — | — | 11:51 | — | — | 12:10 | — | — | 12:28 | — | — | 12:48 | — | — | 1:10 | — | — | 1:36 | — | — | 2:07 | — | — | 2:45 | — |
 | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — |
 | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 |
Today's sea temperature in Deer Island (south end), Boston Harbor is 7.7° C (Statistics for 07 Dec 1981-2005 – mean: 8.6 max: 10.6 min: 7.1°C) | |||||||||||||||||||||||||||||||||||
Nearest