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 07:29 PM.
Days 1–4 Weather SummaryModerate rain (total 14mm), heaviest on Sat morning. Cool air temperatures (max 15°C on Sat afternoon, min 4°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Cool air temperatures (max 14°C on Mon afternoon, min 5°C on Mon night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the SSE by Wed morning). | Days 8–10 Weather SummaryLight rain (total 3mm), mostly falling on Wed afternoon. Very mild (max 15°C on Fri afternoon, min 1°C on Thu morning). Winds decreasing (fresh winds from the S on Wed afternoon, calm by Sat morning). | Days 11–13 Weather SummaryMostly dry. Very mild (max 16°C on Mon afternoon, min 7°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tue 30 | ||||||||||||||||||||||||
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 | 5:30PM1.04m | 5:45AM1.07m | 6:11PM1.11m | 6:25AM1.09m | 6:48PM1.19m | 7:02AM1.11m | 7:22PM1.25m | 7:37AM1.12m | 7:56PM1.30m | 8:11AM1.12m | 8:30PM1.33m | 8:46AM1.11m | 9:05PM1.34m | 9:20AM1.08m | 9:41PM1.33m | 9:57AM1.06m | 10:20PM1.31m | 10:37AM1.02m | 11:03PM1.27m | 11:23AM0.99m | 11:52PM1.24m | 12:19PM0.97m | 00:50AM1.20m | |||||||||||||
Low Tide | 11:18AM0.33m | 11:37PM0.33m | 11:57AM0.28m | 00:21AM0.28m | 12:32PM0.24m | 1:01AM0.23m | 1:05PM0.20m | 1:38AM0.19m | 1:37PM0.17m | 2:15AM0.17m | 2:09PM0.15m | 2:51AM0.16m | 2:42PM0.15m | 3:27AM0.17m | 3:16PM0.16m | 4:05AM0.19m | 3:52PM0.18m | 4:45AM0.22m | 4:33PM0.21m | 5:31AM0.26m | 5:19PM0.25m | 6:24AM0.28m | 6:16PM0.29m | 7:25AM0.29m | ||||||||||||
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 |  |  |  | |  | |  | | | | | | | | |  |  | |  | | | | | | | | | | | | | | | | | |
light rain | light rain | clear | some clouds | light rain | rain shwrs | some clouds | clear | clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | cloudy | light rain | rain shwrs | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
4 | 2.0 | — | — | 1.0 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | 2.0 | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 6 | 6 | 9 | 9 | 8 | 11 | 15 | 12 | 9 | 12 | 9 | 12 | 14 | 12 | 9 | 9 | 9 | 11 | 12 | 12 | 5 | 11 | 10 | 9 | 15 | 14 | 12 | 11 | 9 | 13 | 15 | 9 | 15 | 16 | 12 | 15 |
Moonrise | 2:25 | — | — | 3:27 | — | — | 4:27 | — | — | 5:28 | — | — | 6:30 | — | — | 7:33 | — | — | 8:39 | — | — | — | 9:47 | — | — | 10:55 | — | — | 11:59 | — | — | — | 12:56 | — | — | 1:44 |
Moonset | 3:59 | — | 4:20 | — | — | 4:39 | — | — | 4:57 | — | — | 5:15 | — | — | 5:34 | — | — | 5:56 | — | — | 6:23 | — | — | 6:55 | — | — | 7:36 | — | — | 8:28 | — | — | 9:30 | — | — | 10:41 |
 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:48 | — | — | 5:47 | — | — | 5:46 | — | — | 5:45 | — | — | 5:43 | — | — | 5:41 |
 | 7:29 | — | — | 7:30 | — | — | 7:30 | — | — | 7:31 | — | — | 7:32 | — | — | 7:34 | — | — | 7:36 | — | — | 7:37 | — | — | 7:37 | — | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — |
Today's sea temperature in Portsmouth is 10.1 °C (Statistics for 18 Apr 1981-2005 – mean: 6.6 max: 8.1 min: 4.9°C) | ||||||||||||||||||||||||||||||||||||
Nearest