Boston 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 07:07 AM and sunset is at 04:13 PM.
Days 1–3 Weather SummaryModerate rain (total 17mm), heaviest on Fri afternoon. Icy conditions (max 15°C on Fri morning, min -2°C on Fri night). Winds increasing (light winds from the S on Thu morning, strong winds from the S by Fri morning). | Days 4–6 Weather SummaryMostly dry. Icy conditions (max 6°C on Sun morning, min -5°C on Sun night). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 10mm), heaviest on Thu night. Freeze-thaw conditions (max 12°C on Fri morning, min -6°C on Wed afternoon). Winds decreasing (fresh winds from the NW on Wed morning, calm by Wed night). | Days 10–12 Weather SummaryLight rain (total 6mm), mostly falling on Sun night. Freeze-thaw conditions (max 6°C on Mon morning, min -3°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||||||||||||||
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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 9:52AM3.00m | 10:32PM2.60m | 10:32AM3.03m | 11:12PM2.62m | 11:11AM3.05m | 11:51PM2.62m | 11:50AM3.06m | 00:30AM2.63m | 12:29PM3.05m | 1:10AM2.65m | 1:10PM3.03m | 1:50AM2.67m | 1:53PM3.00m | 2:33AM2.72m | 2:39PM2.95m | 3:18AM2.79m | 3:29PM2.90m | 4:05AM2.87m | 4:23PM2.84m | 4:56AM2.98m | 5:21PM2.80m | 5:50AM3.10m | 6:22PM2.78m | 6:45AM3.23m | ||||||||||||
Low Tide | 4:18PM0.15m | 4:17AM0.48m | 4:58PM0.11m | 4:58AM0.46m | 5:36PM0.09m | 5:38AM0.44m | 6:15PM0.07m | 6:19AM0.43m | 6:55PM0.06m | 7:01AM0.43m | 7:35PM0.06m | 7:45AM0.42m | 8:17PM0.07m | 8:31AM0.40m | 9:02PM0.09m | 9:22AM0.37m | 9:49PM0.11m | 10:16AM0.31m | 10:40PM0.14m | 11:14AM0.22m | 11:33PM0.16m | 12:14PM0.10m | 00:29AM0.16m | |||||||||||||
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 | |  |  | |  | |  | | | |  | | | |  | | | | | | | |  | | | | | | | | | | | | | |
clear | clear | cloudy | mod rain | mod rain | some clouds | clear | some clouds | cloudy | some clouds | clear | clear | clear | clear | some clouds | cloudy | some clouds | clear | clear | clear | clear | clear | cloudy | mod rain | some clouds | some clouds | cloudy | some clouds | some clouds | cloudy | cloudy | cloudy | mod rain | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | 9 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | — | — | — | — | — | 6 | — | — | — | |
max°C | 5 | 4 | 14 | 15 | 10 | 1 | 2 | 2 | 4 | 6 | 2 | -1 | -4 | -4 | -4 | 1 | 1 | 3 | -4 | -5 | -6 | 1 | 1 | 7 | 12 | 12 | 6 | 3 | 3 | 2 | 3 | 4 | 3 | 6 | 6 | 0 |
Moonrise | 6:11 | — | — | 7:09 | — | — | 8:01 | — | — | 8:45 | — | — | 9:21 | — | — | 9:51 | — | — | 10:16 | — | — | 10:38 | — | — | 10:59 | — | — | 11:19 | — | — | 11:41 | — | — | 12:07 | — | — |
Moonset | 2:45 | — | — | — | 3:32 | — | — | 4:28 | — | — | 5:30 | — | — | 6:37 | — | — | 7:45 | — | — | 8:53 | — | — | — | 10:02 | — | — | 11:11 | — | — | — | 12:22 | — | — | 1:37 | — | — |
 | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — |
 | — | 4:13 | — | — | 4:13 | — | — | 4:14 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:17 | — | — | 4:19 | — | — | 4:19 | — |
Today's sea temperature in Boston is 6.2° C (Statistics for 18 Dec 1981-2005 – mean: 7.5 max: 9.9 min: 5.7°C) | ||||||||||||||||||||||||||||||||||||
Nearest