Gerrish Island, Portsmouth Harbor tide table for the next 7 days
Issued (local time): 6 am Thursday 15 Nov 2018
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Gerrish Island, Portsmouth Harbor tide table for the next 7 days |
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| m, °C | ft, °F | Days 0–3 Weather Summary: Moderate rain (total 18mm) heaviest on Thu night, then becoming colder with a dusting of snow on Fri morning. Icy conditions (max 7°C on Sat morning, min -6°C on Thu morning). Winds increasing (calm on Thu morning, strong winds from the E by Thu night). | Days 4–6 Weather Summary: Mostly dry. Icy conditions (max 6°C on Tue morning, min -10°C on Tue night). Winds increasing (calm on Sun night, strong winds from the NW by Tue night). | ||||||||||||||||
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| Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | |||||||||||||
| name |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
| Wave Height Map See all maps |
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High Tide height (m) |
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4:30PM 2.46 |
5:18AM 2.34 |
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5:28PM 2.43 |
6:11AM 2.39 |
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6:24PM 2.44 |
7:00AM 2.47 |
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7:18PM 2.48 |
7:45AM 2.59 |
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8:07PM 2.55 |
8:28AM 2.73 |
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8:52PM 2.63 |
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Low Tide height (m) |
10:19AM 0.59 |
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10:55PM 0.38 |
11:17AM 0.58 |
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11:48PM 0.39 |
12:14PM 0.52 |
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12:39AM 0.37 |
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1:07PM 0.42 |
1:26AM 0.31 |
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1:56PM 0.29 |
2:10AM 0.24 |
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2:41PM 0.14 |
2:52AM 0.16 |
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Swell (m) direction |
 SE |
 SE |
 ESE |
 ESE |
 ESE |
 ESE |
 ESE |
 SE |
 SE |
 SE |
 SE |
SE |
SE |
SE |
SE |
 ESE |
 ESE |
 NW |
| Wave Height (m) | 0.4 | 0.3 | 1.2 | 3.0 | 3.0 | 2.0 | 1.2 | 0.9 | 0.6 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.7 | 0.8 |
| Period (s) | 10 | 10 | 5 | 8 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 13 | 12 | 4 |
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Wind (km/h) |
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| Today's sea temperature in Gerrish Island, Portsmouth Harbor is 11.1 °C (Statistics for 15 Nov 1981-2005 – mean: 9.7 max: 10.9 min: 8.5 °C) | ||||||||||||||||||
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| Summary | clear |
some clouds |
heavy rain |
light snow |
some clouds |
clear | clear | clear | clear | clear | clear |
some clouds |
clear |
some clouds |
some clouds |
some clouds |
some clouds |
clear |
| Rain mm | - | - | 14 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| High °C | -3 | 0 | 5 | 4 | 2 | 4 | 7 | 6 | 3 | 0 | 0 | -1 | 4 | 5 | 1 | 6 | 5 | -2 |
| Low °C | -6 | -2 | 2 | 2 | 1 | 3 | 5 | 4 | -2 | -2 | -1 | -2 | 1 | 3 | 0 | 3 | 4 | -10 |
| Chill °C | -8 | -5 | -1 | -2 | -2 | -1 | 2 | 1 | -2 | -5 | -4 | -3 | 2 | 3 | -4 | 2 | 1 | -10 |
| Sunrise | 6:35 | - | - | 6:35 | - | - | 6:37 | - | - | 6:37 | - | - | 6:39 | - | - | 6:41 | - | - |
| Sunset | - | 4:19 | - | - | 4:17 | - | - | 4:16 | - | - | 4:15 | - | - | 4:15 | - | - | 4:15 | - |
Tide datum: -.