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 08:00 AM and sunset is at 03:59 PM.
Days 1–3 Weather SummaryModerate rain (total 17mm), heaviest on Wed night. Cool air temperatures (max 12°C on Thu afternoon, min 6°C on Tue night). Winds increasing (light winds from the W on Tue night, near gales from the SSW by Thu afternoon). | Days 4–6 Weather SummaryModerate rain (total 12mm), heaviest on Sat night. Cool air temperatures (max 10°C on Fri morning, min 6°C on Sun night). Winds decreasing (fresh winds from the SSE on Sat night, calm by Sun afternoon). | Days 7–9 Weather SummaryLight rain (total 6mm), mostly falling on Mon morning. Mild temperatures (max 9°C on Wed morning, min 5°C on Mon afternoon). Winds increasing (light winds from the N on Mon afternoon, strong winds from the NE by Wed afternoon). | Days 10–12 Weather SummaryLight rain (total 2mm), mostly falling on Thu night. Mild temperatures (max 6°C on Thu morning, min 2°C on Thu night). Mainly strong winds. | |||||||||||||||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||||||||||||||
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 | 8:58AM4.19m | 9:25PM4.03m | 9:41AM4.26m | 10:09PM4.14m | 10:19AM4.32m | 10:48PM4.24m | 10:56AM4.37m | 11:26PM4.32m | 11:32AM4.40m | 00:03AM4.38m | 12:06PM4.41m | 00:39AM4.40m | 12:39PM4.39m | 1:13AM4.41m | 1:11PM4.36m | 1:46AM4.39m | 1:44PM4.32m | 2:22AM4.37m | 2:24PM4.27m | 3:05AM4.34m | 3:13PM4.19m | 3:59AM4.30m | 4:14PM4.12m | 4:59AM4.27m | ||||||||||||
Low Tide | 2:20PM1.70m | 2:36AM1.66m | 3:02PM1.54m | 3:18AM1.57m | 3:42PM1.40m | 3:58AM1.50m | 4:20PM1.30m | 4:36AM1.47m | 4:57PM1.24m | 5:12AM1.48m | 5:31PM1.22m | 5:45AM1.50m | 6:02PM1.21m | 6:17AM1.51m | 6:35PM1.20m | 6:52AM1.51m | 7:11PM1.20m | 7:31AM1.52m | 7:52PM1.22m | 8:16AM1.56m | 8:40PM1.30m | 9:09AM1.62m | 9:36PM1.41m | |||||||||||||
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 |  |  | | |  |  | |  |  | | | | | | | |  | | | | | |  | | | | | | | | | | | |  | |
cloudy | some clouds | clear | some clouds | cloudy | mod rain | light rain | light rain | rain shwrs | clear | clear | clear | clear | some clouds | mod rain | light rain | cloudy | light rain | light rain | cloudy | light rain | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | rain shwrs | some clouds | some clouds | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | 7 | 4 | 5 | 1 | — | — | — | — | — | 9 | 1 | — | 2 | 4 | — | 2 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | |
max°C | 11 | 9 | 7 | 10 | 10 | 11 | 11 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 9 | 8 | 6 | 5 | 6 | 8 | 8 | 8 | 9 | 8 | 6 | 6 | 6 | 3 | 4 | 3 | 2 | 3 | 3 | 5 |
Moonrise | 4:42 | — | — | 5:54 | — | — | 7:03 | — | — | 8:07 | — | — | 9:01 | — | — | 9:42 | — | — | 10:13 | — | — | 10:36 | — | — | 10:53 | — | — | 11:07 | — | — | 11:20 | — | — | 11:33 | — | — |
Moonset | 1:20 | — | — | 1:42 | — | — | 2:12 | — | — | 2:54 | — | — | — | 3:48 | — | — | 4:54 | — | — | 6:08 | — | — | 7:24 | — | — | 8:42 | — | — | — | 9:59 | — | — | 11:17 | — | — | — |
 | 8:00 | — | — | 8:00 | — | — | 8:02 | — | — | 8:02 | — | — | 8:03 | — | — | 8:03 | — | — | 8:03 | — | — | 8:04 | — | — | 8:04 | — | — | 8:04 | — | — | 8:06 | — | — | 8:06 | — | — |
 | — | 3:59 | — | — | 3:59 | — | — | 3:59 | — | — | 4:00 | — | — | 4:00 | — | — | 4:00 | — | — | 4:00 | — | — | 4:01 | — | — | 4:01 | — | — | 4:02 | — | — | 4:02 | — | — | 4:04 | — |
Today's sea temperature in Portsmouth is 10.6° C (Statistics for 16 Dec 1981-2005 – mean: 11.0 max: 12.1 min: 10.2°C) | ||||||||||||||||||||||||||||||||||||
Nearest