Seavey Island, Portsmouth Harbor (sub) 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 05:52 AM and sunset is at 07:30 PM.
Days 1–3 Weather SummaryModerate rain (total 11mm), heaviest on Sat morning. Cool air temperatures (max 13°C on Sat afternoon, min 3°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Icy conditions (max 14°C on Tue afternoon, min 0°C on Wed night). Wind will be generally light. | Days 7–9 Weather SummaryMostly dry. Freeze-thaw conditions (max 14°C on Sat afternoon, min 0°C on Thu morning). Wind will be generally light. | Days 10–12 Weather SummaryLight rain (total 9mm), mostly falling on Mon night. Very mild (max 15°C on Tue morning, min 6°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||||||||||||||
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 | 9:23AM2.35m | 9:55PM2.33m | 10:11AM2.38m | 10:34PM2.41m | 10:54AM2.41m | 11:10PM2.50m | 11:32AM2.43m | 11:43PM2.56m | 12:09PM2.42m | 00:14AM2.61m | 12:44PM2.40m | 00:46AM2.64m | 1:19PM2.37m | 1:19AM2.65m | 1:56PM2.33m | 1:56AM2.65m | 2:36PM2.30m | 2:36AM2.64m | 3:21PM2.26m | 3:23AM2.62m | 4:11PM2.23m | 4:16AM2.59m | 5:08PM2.24m | |||||||||||||
Low Tide | 3:39PM0.30m | 3:59AM0.35m | 4:20PM0.28m | 4:41AM0.26m | 4:57PM0.27m | 5:20AM0.17m | 5:30PM0.26m | 5:56AM0.11m | 6:02PM0.27m | 6:30AM0.07m | 6:34PM0.29m | 7:05AM0.05m | 7:07PM0.31m | 7:41AM0.04m | 7:43PM0.34m | 8:20AM0.05m | 8:23PM0.38m | 9:03AM0.07m | 9:08PM0.41m | 9:52AM0.10m | 10:00PM0.43m | 10:46AM0.12m | 10:59PM0.44m | |||||||||||||
E 11 | ESE 10 | SE 4 | SE 5 | SE 6 | SE 7 | SE 6 | SE 6 | SE 6 | SE 7 | SE 12 | ESE 11 | SE 11 | SSE 4 | SE 6 | SE 5 | SE 5 | SE 5 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 7 | ESE 9 | ESE 7 | SSE 4 | SSE 4 | SSE 5 | SE 6 | SE 6 | NNW 3 | ESE 8 | |
 |  |  |  | |  | | | |  | | | | |  | | |  | | |  | | | | | | | | | |  | | | | | | |
cloudy | some clouds | light rain | mod rain | some clouds | clear | some clouds | some clouds | clear | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | rain shwrs | clear | cloudy | some clouds | clear | some clouds | clear | clear | clear | clear | some clouds | clear | some clouds | light rain | light rain | rain shwrs | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | 1.0 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2.0 | — | — | — | — | — | — | — | — | — | — | — | — | 2.0 | 2.0 | 5 | — | — | — | |
max°C | 7 | 8 | 8 | 9 | 13 | 10 | 9 | 13 | 10 | 8 | 12 | 9 | 11 | 14 | 12 | 10 | 10 | 10 | 7 | 9 | 5 | 10 | 11 | 7 | 11 | 14 | 11 | 8 | 8 | 7 | 6 | 8 | 14 | 15 | 15 | 12 |
Moonrise | — | 3:23 | — | — | 4:25 | — | — | 5:27 | — | — | 6:30 | — | — | 7:34 | — | — | 8:42 | — | — | — | 9:51 | — | — | 10:59 | — | — | — | 12:04 | — | — | 1:02 | — | — | 1:49 | — | — |
Moonset | 4:20 | — | — | 4:38 | — | — | 4:55 | — | — | 5:11 | — | — | 5:30 | — | — | 5:51 | — | — | 6:16 | — | — | 6:47 | — | — | 7:27 | — | — | 8:19 | — | — | 9:21 | — | — | 10:32 | — | — |
 | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:48 | — | — | 5:47 | — | — | 5:46 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — | 5:37 | — | — |
 | — | 7:30 | — | — | 7:31 | — | — | 7:32 | — | — | 7:34 | — | — | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — | 7:42 | — | — | 7:43 | — |
Today's sea temperature in Seavey Island, Portsmouth Harbor (sub) is 6.7 °C (Statistics for 19 Apr 1981-2005 – mean: 5.5 max: 7.0 min: 4.0°C) | ||||||||||||||||||||||||||||||||||||
Nearest