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 05:33 AM and sunset is at 07:45 PM.
Days 1–3 Weather SummaryLight rain (total 6mm), mostly falling on Sun night. Cool air temperatures (max 11°C on Fri afternoon, min 6°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Wed morning. Warm air temperatures (max 20°C on Mon afternoon, min 10°C on Mon morning). Wind will be generally light. | Days 7–9 Weather SummaryHeavy rain (total 27mm), heaviest during Sat night. Very mild (max 10°C on Thu morning, min 7°C on Fri night). Mainly fresh winds. | Days 10–12 Weather SummaryLight rain (total 7mm), mostly falling on Mon afternoon. Very mild (max 18°C on Wed morning, min 8°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | |||||||||||||||||||||||||
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 | 7:06AM2.77m | 7:51PM2.71m | 8:12AM2.83m | 8:47PM2.90m | 9:13AM2.90m | 9:40PM3.08m | 10:11AM2.95m | 10:31PM3.22m | 11:05AM2.97m | 11:19PM3.30m | 11:57AM2.95m | 00:07AM3.32m | 12:48PM2.88m | 00:55AM3.26m | 1:39PM2.78m | 1:43AM3.14m | 2:31PM2.66m | 2:34AM2.99m | 3:24PM2.55m | 3:26AM2.82m | 4:20PM2.45m | 4:22AM2.67m | 5:17PM2.38m | |||||||||||||
Low Tide | 1:29PM0.05m | 1:57AM0.16m | 2:27PM-0.02m | 2:59AM-0.03m | 3:22PM-0.09m | 3:56AM-0.21m | 4:13PM-0.13m | 4:50AM-0.35m | 5:03PM-0.13m | 5:42AM-0.42m | 5:52PM-0.09m | 6:32AM-0.42m | 6:40PM-0.00m | 7:22AM-0.35m | 7:30PM0.12m | 8:13AM-0.22m | 8:20PM0.26m | 9:05AM-0.07m | 9:13PM0.39m | 9:59AM0.09m | 10:09PM0.50m | 10:54AM0.22m | 11:09PM0.58m | |||||||||||||
E 9 | E 4 | E 5 | E 6 | ENE 6 | E 5 | E 6 | SE 3 | E 9 | E 10 | E 10 | E 11 | E 10 | E 10 | E 11 | E 10 | E 10 | E 10 | E 10 | E 4 | E 5 | E 5 | E 5 | E 5 | ESE 5 | E 6 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | |
 | |  | | | |  |  |  | | | | | | |  | | | | |  | | |  | | |  | | |  | |  | | | | | |
some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | clear | cloudy | mod rain | some clouds | some clouds | some clouds | some clouds | clear | some clouds | light rain | light rain | some clouds | cloudy | light rain | cloudy | light rain | light rain | light rain | light rain | light rain | rain shwrs | some clouds | some clouds | clear | some clouds | risk tstorm | rain shwrs | cloudy | cloudy | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | 1.0 | 1.0 | — | — | 2.0 | — | 5 | 1.0 | 1.0 | 1.0 | 2.0 | 15 | — | — | — | — | 6 | 1.0 | — | — | — | |
max°C | 9 | 11 | 10 | 8 | 8 | 7 | 9 | 9 | 9 | 14 | 20 | 17 | 13 | 14 | 12 | 10 | 11 | 12 | 10 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 14 | 16 | 13 | 14 | 13 | 12 | 15 | 17 | 17 |
Moonrise | 3:23 | — | — | 3:46 | — | — | 4:08 | — | — | 4:30 | — | — | 4:55 | — | — | 5:25 | — | — | 6:02 | — | — | 6:48 | — | — | 7:44 | — | — | 8:48 | — | — | 9:55 | — | — | 11:03 | — | — |
Moonset | 2:25 | — | — | — | 3:43 | — | — | 5:01 | — | — | 6:21 | — | — | 7:42 | — | — | — | 9:02 | — | — | 10:19 | — | — | 11:26 | — | — | — | 12:21 | — | — | 1:04 | — | — | 1:37 | — | — |
 | 5:33 | — | — | 5:31 | — | — | 5:30 | — | — | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:18 | — | — |
 | — | 7:45 | — | — | 7:46 | — | — | 7:49 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — | — | 7:52 | — | — | 7:53 | — | — | 7:54 | — | — | 7:55 | — | — | 7:57 | — | — | 7:59 | — |
Today's sea temperature in Gerrish Island, Portsmouth Harbor is 7.3 °C (Statistics for 03 May 1981-2005 – mean: 7.4 max: 8.9 min: 5.3°C) | ||||||||||||||||||||||||||||||||||||
Nearest