Gerrish Island, Portsmouth 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 06:22 AM and sunset is at 04:28 PM.
Days 1–3 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Cool air temperatures (max 15°C on Sat morning, min 1°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Sat night). | Days 4–6 Weather SummaryModerate rain (total 18mm), heaviest on Sun night. Icy conditions (max 11°C on Sun night, min 0°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the WSW by Tue morning). | Days 7–9 Weather SummaryLight rain (total 3mm), mostly falling on Thu morning. Freeze-thaw conditions (max 9°C on Wed morning, min 0°C on Fri night). Mainly fresh winds. | Days 10–12 Weather SummaryHeavy rain (total 24mm), heaviest during Sun night. Later becoming colder with a dusting of snow on Mon night. Very mild (max 14°C on Sun afternoon, min 1°C on Mon night). Mainly fresh winds. | |||||||||||||||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||||||||||||
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 | 10:49AM3.39m | 11:29PM2.97m | 11:39AM3.39m | 00:23AM2.90m | 12:31PM3.32m | 1:19AM2.79m | 1:28PM3.19m | 2:18AM2.68m | 2:28PM3.02m | 3:21AM2.59m | 3:33PM2.86m | 4:27AM2.54m | 4:41PM2.72m | 5:32AM2.53m | 5:50PM2.63m | 6:32AM2.57m | 6:53PM2.58m | 7:27AM2.62m | 7:51PM2.57m | 8:15AM2.68m | 8:42PM2.56m | 8:58AM2.73m | 9:27PM2.55m | |||||||||||||
Low Tide | 5:14PM-0.52m | 5:24AM-0.14m | 6:06PM-0.49m | 6:16AM-0.06m | 7:01PM-0.40m | 7:11AM0.05m | 7:59PM-0.27m | 8:10AM0.18m | 8:59PM-0.11m | 9:15AM0.29m | 10:03PM0.03m | 10:23AM0.36m | 11:08PM0.13m | 11:33AM0.37m | 00:10AM0.20m | 12:38PM0.34m | 1:06AM0.24m | 1:37PM0.27m | 1:57AM0.27m | 2:28PM0.19m | 2:42AM0.29m | 3:15PM0.12m | 3:23AM0.32m | |||||||||||||
WNW 4.0 | NW 4.0 | WNW 3.0 | ESE 11.0 | S 4.0 | SSE 6.0 | SE 8.0 | SSE 8.0 | SE 11.0 | E 3.0 | ESE 4.0 | ESE 6.0 | ESE 6.0 | SE 8.0 | SE 8.0 | WSW 3.0 | WSW 3.0 | WSW 3.0 | SSW 4.0 | SW 3.0 | SE 9.0 | SE 9.0 | WSW 2.0 | NW 3.0 | NNW 3.0 | NW 3.0 | W 2.0 | S 3.0 | SW 3.0 | WSW 3.0 | E 14.0 | ESE 4.0 | SE 7.0 | SE 10.0 | SE 10.0 | SE 10.0 | |
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clear | clear | clear | some clouds | some clouds | light rain | some clouds | clear | some clouds | cloudy | mod rain | mod rain | light rain | cloudy | clear | some clouds | clear | some clouds | some clouds | cloudy | some clouds | light rain | light rain | some clouds | clear | clear | some clouds | cloudy | some clouds | some clouds | light rain | light rain | heavy rain | light rain | clear | snow shwrs | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | 3 | — | — | — | — | 6 | 9 | 3 | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | 3 | 2 | 17 | 2 | — | — | |
max°C | 8 | 6 | 2 | 8 | 11 | 12 | 15 | 13 | 7 | 10 | 10 | 11 | 10 | 7 | 3 | 5 | 5 | 5 | 9 | 8 | 6 | 8 | 6 | 4 | 6 | 4 | 1 | 5 | 7 | 3 | 6 | 14 | 14 | 10 | 8 | 3 |
Moonrise | — | 4:55 | — | — | 5:49 | — | — | 6:54 | — | — | 8:08 | — | — | — | 9:24 | — | — | 10:38 | — | — | 11:48 | — | — | — | 12:55 | — | — | 1:59 | — | — | 3:02 | — | — | 4:06 | — | — |
Moonset | 7:58 | — | — | 9:20 | — | — | 10:31 | — | — | 11:27 | — | — | 12:09 | — | — | 12:41 | — | — | 1:06 | — | — | 1:27 | — | — | 1:46 | — | — | 2:04 | — | — | 2:21 | — | — | 2:41 | — | — |
 | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — |
 | — | 4:28 | — | — | 4:27 | — | — | 4:25 | — | — | 4:23 | — | — | 4:22 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — | — | 4:17 | — | — | 4:16 | — |
Today's sea temperature in Gerrish Island, Portsmouth Harbor is 11.7 °C (Statistics for 06 Nov 1981-2005 – mean: 10.5 max: 11.6 min: 9.3°C) | ||||||||||||||||||||||||||||||||||||
Nearest