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 07:00 AM and sunset is at 04:07 PM.
Days 1–3 Weather SummaryMostly dry. Icy conditions (max 2°C on Sun afternoon, min -9°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Wed afternoon. Icy conditions (max 7°C on Wed afternoon, min -3°C on Fri afternoon). Wind will be generally light. | Days 7–9 Weather SummaryMostly dry. Temperatures will be below freezing (max -2°C on Sat morning, min -8°C on Sat night). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Thu night, min -5°C on Mon night). Winds increasing (light winds from the N on Mon night, fresh winds from the N by Tue 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 | 12:39PM3.08m | 1:27AM2.59m | 1:35PM2.96m | 2:23AM2.53m | 2:33PM2.80m | 3:21AM2.47m | 3:33PM2.64m | 4:19AM2.42m | 4:35PM2.48m | 5:18AM2.40m | 5:38PM2.35m | 6:15AM2.39m | 6:40PM2.26m | 7:08AM2.41m | 7:39PM2.21m | 7:58AM2.44m | 8:33PM2.19m | 8:44AM2.48m | 9:22PM2.20m | 9:27AM2.51m | 10:07PM2.21m | 10:06AM2.55m | |||||||||||||
Low Tide | 7:08PM-0.38m | 7:17AM0.03m | 8:03PM-0.26m | 8:15AM0.12m | 8:59PM-0.12m | 9:16AM0.21m | 9:56PM0.02m | 10:19AM0.29m | 10:54PM0.14m | 11:24AM0.33m | 11:51PM0.24m | 12:27PM0.33m | 00:47AM0.32m | 1:27PM0.29m | 1:39AM0.38m | 2:21PM0.24m | 2:27AM0.41m | 3:09PM0.18m | 3:11AM0.42m | 3:53PM0.13m | 3:52AM0.41m | 4:33PM0.09m | |||||||||||||
SE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | E 8 | ESE 9 | S 3 | SSE 6 | SSW 3 | SSE 6 | SSW 4 | W 3 | SE 9 | SE 10 | SE 8 | SE 8 | SE 7 | SE 7 | ESE 7 | ESE 8 | SE 7 | WNW 2 | WNW 3 | W 3 | ESE 10 | ESE 10 | NE 5 | ENE 6 | E 9 | ESE 10 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | |
 |  |  |  | | | | |  | |  |  | | | | | | | | | | | |  | | | | | | | | | | | | |
some clouds | cloudy | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | light rain | rain shwrs | some clouds | some clouds | cloudy | some clouds | some clouds | clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | cloudy | cloudy | |
km/h | |||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 1 | 2 | 0 | -6 | -6 | -9 | -3 | -1 | 1 | 6 | 7 | 5 | 1 | -1 | -2 | 2 | 0 | -5 | -2 | -2 | -5 | -3 | -4 | -5 | -2 | -2 | -3 | -4 | -5 | -4 | 1 | 0 | -2 | 1 | 1 |
Moonrise | — | 7:02 | — | — | 8:20 | — | — | — | 9:35 | — | — | 10:44 | — | — | 11:50 | — | — | — | 12:54 | — | — | 1:58 | — | — | 3:01 | — | — | 4:06 | — | — | 5:10 | — | — | 6:13 | — |
Moonset | 10:02 | — | — | 10:39 | — | — | 11:08 | — | — | 11:31 | — | — | 11:51 | — | — | 12:09 | — | — | 12:27 | — | — | 12:46 | — | — | 1:07 | — | — | 1:32 | — | — | 2:03 | — | — | 2:41 | — |
 | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — |
 | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:08 | — | — | 4:08 | — | — | 4:08 |
Today's sea temperature in Seavey Island, Portsmouth Harbor (sub) is 8.0° C (Statistics for 07 Dec 1981-2005 – mean: 7.8 max: 9.4 min: 6.4°C) | |||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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