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 07:03 AM and sunset is at 04:15 PM.
Days 1–3 Weather SummaryMostly dry. Icy conditions (max 7°C on Wed morning, min -9°C on Sun night). Winds increasing (light winds from the SW on Tue afternoon, fresh winds from the SW by Wed morning). | Days 4–6 Weather SummaryModerate rain (total 14mm), heaviest on Fri morning. Icy conditions (max 13°C on Thu night, min -6°C on Fri night). Winds increasing (light winds from the SW on Wed night, strong winds from the S by Fri morning). | Days 7–9 Weather SummaryLight rain (total 7mm), mostly falling on Tue afternoon. Freeze-thaw conditions (max 9°C on Sun morning, min -6°C on Mon night). Winds decreasing (fresh winds from the SW on Sat night, calm by Mon night). | Days 10–12 Weather SummaryHeavy rain (total 28mm), heaviest during Fri morning. Freeze-thaw conditions (max 9°C on Fri morning, min -3°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Fri 26 | ||||||||||||||||||||||||
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 | 4:28PM0.97m | 4:58AM1.22m | 5:12PM0.97m | 5:39AM1.25m | 5:53PM0.98m | 6:20AM1.27m | 6:34PM1.00m | 7:00AM1.29m | 7:15PM1.01m | 7:40AM1.29m | 7:56PM1.02m | 8:19AM1.29m | 8:38PM1.02m | 8:58AM1.27m | 9:20PM1.03m | 9:38AM1.24m | 10:04PM1.05m | 10:19AM1.21m | 10:51PM1.07m | 11:03AM1.18m | 11:41PM1.11m | 11:52AM1.14m | |||||||||||||
Low Tide | 10:41AM0.32m | 10:26PM0.26m | 11:24AM0.30m | 11:07PM0.24m | 12:06PM0.28m | 11:48PM0.23m | 12:46PM0.26m | 00:29AM0.21m | 1:26PM0.25m | 1:10AM0.21m | 2:06PM0.24m | 1:51AM0.21m | 2:45PM0.23m | 2:32AM0.22m | 3:24PM0.23m | 3:15AM0.24m | 4:03PM0.22m | 4:00AM0.26m | 4:43PM0.21m | 4:50AM0.28m | 5:26PM0.20m | 5:44AM0.29m | 6:12PM0.19m | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
 |  |  | | |  | | |  | | |  |  |  | | | | | | | | | | |  |  | | | | | | |  | | | |
clear | some clouds | cloudy | clear | some clouds | some clouds | clear | clear | clear | clear | clear | rain shwrs | heavy rain | rain shwrs | clear | some clouds | clear | some clouds | some clouds | some clouds | clear | clear | clear | clear | cloudy | mod rain | rain shwrs | clear | clear | some clouds | cloudy | some clouds | mod rain | heavy rain | cloudy | |
km/h | |||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 1 | 12 | 1 | — | — | — | — | — | — | — | — | — | — | — | 7 | 1 | — | — | — | — | — | 6 | 21 | — | |
max°C | -4 | -4 | -3 | -2 | -1 | 5 | 7 | 6 | 4 | 5 | 9 | 13 | 13 | 6 | -2 | -2 | -1 | 8 | 9 | 6 | 3 | 2 | -2 | -4 | 3 | 5 | 4 | 4 | 2 | 0 | -1 | 0 | 3 | 9 | 8 |
Moonrise | 3:00 | — | — | 4:03 | — | — | 5:06 | — | — | 6:08 | — | — | 7:07 | — | — | 7:58 | — | — | 8:43 | — | — | 9:19 | — | — | 9:49 | — | — | 10:15 | — | — | 10:38 | — | — | 10:59 | — |
Moonset | 1:13 | — | — | 1:39 | — | — | 2:11 | — | — | 2:50 | — | — | — | 3:37 | — | — | 4:32 | — | — | 5:34 | — | — | 6:41 | — | — | 7:48 | — | — | 8:56 | — | — | — | 10:03 | — | — |
 | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — |
 | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — | — | 4:19 | — | — | 4:19 | — | — | 4:20 | — | — | 4:20 |
Today's sea temperature in Portsmouth is 5.2° C (Statistics for 15 Dec 1981-2005 – mean: 8.7 max: 11.1 min: 7.2°C) | |||||||||||||||||||||||||||||||||||
Nearest