Portsmouth 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 — and sunset is at 04:20 PM.
Days 1–4 Weather SummaryModerate rain (total 16mm), heaviest on Thu afternoon. Cool air temperatures (max 14°C on Tue afternoon, min 5°C on Tue night). Winds increasing (light winds from the N on Wed morning, fresh winds from the SSW by Thu night). | Days 5–7 Weather SummarySome drizzle, heaviest during Fri afternoon. Low air temperatures (max 9°C on Sun morning, min 4°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the WNW by Sat afternoon). | Days 8–10 Weather SummaryModerate rain (total 12mm), heaviest on Tue night. Very mild (max 12°C on Tue night, min 3°C on Thu morning). Wind will be generally light. | Days 11–13 Weather SummaryA dusting of snow turning to light rain (total 4mm) on Thu afternoon. Freeze-thaw conditions (max 7°C on Fri morning, min -4°C on Fri night). Winds increasing (light winds from the ENE on Thu night, fresh winds from the W by Sat afternoon). | |||||||||||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sun 1 | ||||||||||||||||||||||||
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 | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 10:32PM1.05m | 11:01AM1.26m | 11:32PM1.01m | 11:59AM1.17m | 00:36AM0.99m | 12:58PM1.09m | 1:40AM1.01m | 1:57PM1.04m | 2:39AM1.04m | 2:51PM1.01m | 3:29AM1.09m | 3:39PM1.00m | 4:12AM1.15m | 4:23PM1.00m | 4:51AM1.21m | 5:04PM1.01m | 5:29AM1.26m | 5:43PM1.03m | 6:07AM1.30m | 6:21PM1.03m | 6:44AM1.32m | 7:00PM1.04m | 7:23AM1.34m | |||||||||||||
Low Tide | 4:35PM0.18m | 4:31AM0.21m | 5:31PM0.25m | 5:32AM0.29m | 6:28PM0.29m | 6:38AM0.35m | 7:25PM0.31m | 7:46AM0.38m | 8:17PM0.32m | 8:48AM0.38m | 9:04PM0.30m | 9:43AM0.36m | 9:46PM0.28m | 10:30AM0.32m | 10:25PM0.25m | 11:12AM0.28m | 11:02PM0.23m | 11:52AM0.25m | 11:39PM0.20m | 12:31PM0.22m | 00:16AM0.18m | 1:10PM0.21m | 00:54AM0.17m | |||||||||||||
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 |  |  | |  |  | |  |  |  |  | | | | | | | | | | | | | | | |  |  | | | | | | | | | |
clear | clear | some clouds | clear | cloudy | mod rain | mod rain | rain shwrs | cloudy | rain shwrs | some clouds | some clouds | cloudy | some clouds | some clouds | clear | some clouds | clear | clear | some clouds | cloudy | cloudy | rain shwrs | some clouds | clear | some clouds | light rain | light snow | cloudy | some clouds | some clouds | some clouds | clear | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | 8 | 6 | 2.0 | — | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | 9 | — | — | — | 3 | 4 | — | — | — | — | — | — | — | — | |
max°C | 14 | 8 | 13 | 11 | 9 | 9 | 10 | 9 | 9 | 8 | 7 | 8 | 7 | 6 | 9 | 7 | 6 | 9 | 9 | 5 | 6 | 8 | 12 | 12 | 9 | 6 | 4 | 4 | 6 | 7 | 6 | 4 | 1 | 3 | 1 | 2 |
Moonrise | 7:45 | — | — | 8:55 | — | — | — | 10:03 | — | — | 11:09 | — | — | — | 12:11 | — | — | 1:12 | — | — | 2:12 | — | — | 3:13 | — | — | 4:15 | — | — | 5:20 | — | — | 6:26 | — | — | 7:31 |
Moonset | 10:56 | — | 11:37 | — | — | 12:09 | — | — | 12:34 | — | — | 12:55 | — | — | 1:14 | — | — | 1:32 | — | — | 1:50 | — | — | 2:10 | — | — | 2:32 | — | — | 2:58 | — | — | — | 3:30 | — | 4:11 |
 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 |
 | 4:20 | — | — | 4:20 | — | — | 4:19 | — | — | 4:19 | — | — | 4:17 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — |
Today's sea temperature in Portsmouth is 11.9 °C (Statistics for 19 Nov 1981-2005 – mean: 11.1 max: 12.7 min: 9.4°C) | ||||||||||||||||||||||||||||||||||||
Nearest