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 06:58 AM and sunset is at 04:14 PM.
Days 1–3 Weather SummaryMostly dry. Icy conditions (max 4°C on Sun morning, min -6°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Wed night. Icy conditions (max 9°C on Wed morning, min -1°C on Thu night). Winds decreasing (fresh winds from the SW on Wed afternoon, calm by Thu night). | Days 7–9 Weather SummaryMostly dry. Freeze-thaw conditions (max 1°C on Sat afternoon, min -5°C on Sat night). Wind will be generally light. | Days 10–12 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 6°C on Thu night, min -4°C on Tue night). Winds decreasing (strong winds from the N on Tue afternoon, calm by Wed night). | ||||||||||||||||||||||||||||||||
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | ||||||||||||||||||||||||
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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 9:19AM1.49m | 9:45PM1.16m | 10:14AM1.40m | 10:44PM1.14m | 11:10AM1.30m | 11:45PM1.12m | 12:07PM1.20m | 00:46AM1.12m | 1:04PM1.11m | 1:45AM1.13m | 2:00PM1.04m | 2:41AM1.14m | 2:53PM1.00m | 3:31AM1.17m | 3:42PM0.97m | 4:16AM1.19m | 4:28PM0.97m | 4:58AM1.22m | 5:12PM0.97m | 5:39AM1.25m | 5:53PM0.98m | 6:20AM1.27m | 6:34PM1.00m | ||||||||||||
Low Tide | 3:46PM0.07m | 3:46AM0.08m | 4:41PM0.12m | 4:47AM0.15m | 5:36PM0.17m | 5:50AM0.23m | 6:30PM0.21m | 6:55AM0.29m | 7:22PM0.24m | 7:59AM0.33m | 8:13PM0.26m | 8:59AM0.34m | 9:00PM0.27m | 9:53AM0.34m | 9:44PM0.27m | 10:41AM0.32m | 10:26PM0.26m | 11:24AM0.30m | 11:07PM0.24m | 12:06PM0.28m | 11:48PM0.23m | 12:46PM0.26m | |||||||||||||
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 |  |  | | |  | | |  | | | |  | |  | | | | | | | | | | | | | |  | | | | | | | |
cloudy | some clouds | clear | some clouds | cloudy | some clouds | some clouds | cloudy | rain shwrs | some clouds | cloudy | rain shwrs | clear | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | light snow | some clouds | clear | clear | some clouds | some clouds | some clouds | |
km/h | |||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | 1 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 4 | 3 | 2 | -4 | -4 | -6 | -1 | 4 | 6 | 9 | 9 | 8 | 3 | 2 | 0 | 3 | 3 | -1 | 0 | 1 | -3 | -1 | -1 | -4 | 0 | 1 | -1 | 1 | -1 | -2 | 2 | 2 | -2 | 3 | 4 |
Moonrise | — | 7:10 | — | — | 8:26 | — | — | — | 9:39 | — | — | 10:48 | — | — | 11:53 | — | — | — | 12:55 | — | — | 1:57 | — | — | 3:00 | — | — | 4:03 | — | — | 5:06 | — | — | 6:08 | — |
Moonset | 9:58 | — | — | 10:37 | — | — | 11:07 | — | — | 11:31 | — | — | 11:52 | — | — | 12:12 | — | — | 12:31 | — | — | 12:51 | — | — | 1:13 | — | — | 1:39 | — | — | 2:11 | — | — | 2:50 | — |
 | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — |
 | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 |
Today's sea temperature in Portsmouth is 7.3° C (Statistics for 07 Dec 1981-2005 – mean: 9.5 max: 12.0 min: 8.0°C) | |||||||||||||||||||||||||||||||||||
Nearest