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 06:19 PM.
Days 1–4 Weather SummaryMostly dry. Warm air temperatures (max 23°C on Thu afternoon, min 6°C on Tue morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Cool air temperatures (max 19°C on Thu night, min 10°C on Sat morning). Wind will be generally light. | Days 8–10 Weather SummaryModerate rain (total 13mm), heaviest on Sun night. Very mild (max 18°C on Mon afternoon, min 9°C on Tue night). Wind will be generally light. | Days 11–13 Weather SummaryLight rain (total 4mm), mostly falling on Fri night. Warm (max 24°C on Thu afternoon, min 8°C on Fri morning). Wind will be generally light. | Days 14–17 Weather SummaryModerate rain (total 10mm), heaviest on Sat night. Warm (max 20°C on Wed afternoon, min 3°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||||||||||||
Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wed 21 | ||||||||||||||||||||||||||||||||
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 | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||||||||
High Tide | 7:23PM2.96m | 8:12AM2.71m | 8:31PM2.98m | 9:13AM2.84m | 9:33PM3.02m | 10:06AM2.98m | 10:28PM3.05m | 10:52AM3.08m | 11:16PM3.05m | 11:35AM3.14m | 00:02AM3.01m | 12:15PM3.15m | 00:46AM2.93m | 12:56PM3.12m | 1:29AM2.83m | 1:36PM3.06m | 2:12AM2.72m | 2:17PM2.98m | 2:55AM2.61m | 3:00PM2.89m | 3:41AM2.49m | 3:46PM2.79m | 4:31AM2.40m | 4:37PM2.70m | 5:26AM2.36m | 5:33PM2.64m | 6:21AM2.36m | 6:30PM2.62m | |||||||||||||||||||
Low Tide | 1:50AM0.14m | 2:09PM0.34m | 2:51AM0.10m | 3:12PM0.22m | 3:47AM0.05m | 4:09PM0.09m | 4:36AM0.02m | 5:00PM-0.02m | 5:21AM0.03m | 5:47PM-0.07m | 6:03AM0.08m | 6:31PM-0.08m | 6:44AM0.16m | 7:14PM-0.03m | 7:25AM0.27m | 7:57PM0.05m | 8:06AM0.39m | 8:40PM0.15m | 8:48AM0.51m | 9:25PM0.27m | 9:34AM0.62m | 10:14PM0.39m | 10:24AM0.70m | 11:07PM0.47m | 11:19AM0.75m | 00:01AM0.50m | 12:15PM0.74m | ||||||||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | NW 4 | NE 6 | E 8 | E 8 | S 3 | S 3 | S 4 | SSW 4 | WNW 3 | WNW 3 | NW 3 | W 2 | NNW 3 | ENE 6 | E 8 | SE 4 | S 3 | SE 4 | E 5 | E 5 | ENE 5 | ENE 7 | ENE 7 | ENE 6 | E 7 | S 3 | SSW 3 | SW 4 | NNW 4 | NE 6 | NE 6 | ENE 6 | E 5 | ESE 6 | ESE 7 | ESE 7 | N 4 | N 5 | NE 7 | ENE 7 | E 7 | S 3 | SW 3 | E 10 | S 4 | WSW 3 |
 |  | | | | | | |  | | | | | | | | |  |  | | |  | | | | | | | | | | | |  |  | |  | |  | | | | | | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | heavy rain | cloudy | some clouds | some clouds | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | some clouds | light rain | light rain | some clouds | mod rain | light rain | rain shwrs | clear | clear | cloudy | some clouds | some clouds | clear | some clouds | clear | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | 8 | 2 | 1 | — | — | — | — | — | — | — | — |
max °C | 15 | 9 | 15 | 13 | 13 | 18 | 14 | 20 | 23 | 19 | 15 | 18 | 16 | 12 | 15 | 14 | 15 | 18 | 14 | 14 | 18 | 16 | 10 | 10 | 9 | 13 | 16 | 16 | 21 | 24 | 14 | 9 | 10 | 16 | 21 | 24 | 16 | 9 | 10 | 5 | 5 | 9 | 9 | 13 | 17 | 14 | 17 |
Moonrise | — | 2:06 | — | — | 3:20 | — | — | 4:31 | — | — | 5:41 | — | — | 6:50 | — | — | 7:58 | — | — | 9:06 | — | — | 10:13 | — | — | 11:17 | — | — | 12:15 | — | — | 1:06 | — | — | 1:49 | — | — | 2:24 | — | — | 2:53 | — | — | — | 3:18 | — | — |
Moonset | — | — | 4:23 | — | — | 4:47 | — | — | 5:08 | — | — | 5:29 | — | — | 5:51 | — | — | 6:15 | — | — | 6:42 | — | — | 7:15 | — | — | 7:55 | — | — | 8:42 | — | — | — | 9:36 | — | — | 10:36 | — | — | 11:40 | — | — | — | 12:45 | — | — | 1:51 |
 | — | 6:45 | — | — | 6:46 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 |
 | 6:19 | — | 6:16 | — | — | 6:15 | — | — | 6:14 | — | — | 6:12 | — | — | 6:09 | — | — | 6:08 | — | — | 6:07 | — | — | 6:05 | — | — | 6:04 | — | — | 6:01 | — | — | 6:00 | — | — | 5:59 | — | — | 5:57 | — | — | 5:55 | — | — | 5:53 | — | — |
Today's sea temperature in Deer Island (south end), Boston Harbor is 16.3°C (Statistics for 05 Oct 1981-2005 – mean: 15.3 max: 17.0 min: 13.7°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest