Portstewart 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 06:11 AM and sunset is at 08:39 PM.
Days 1–3 Weather SummaryMostly dry. Cool air temperatures (max 12°C on Sun afternoon, min 6°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Cool air temperatures (max 10°C on Mon morning, min 5°C on Wed night). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 10mm), heaviest on Sat morning. Very mild (max 10°C on Fri morning, min 6°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the N by Sat night). | Days 10–12 Weather SummaryModerate rain (total 12mm), heaviest on Sun night. Mild temperatures (max 9°C on Tue morning, min 7°C on Sun night). Winds decreasing (strong winds from the N on Sun night, calm by Tue night). | |||||||||||||||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||||||||||||||
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 | 5:03PM1.27m | 5:18AM1.62m | 5:30PM1.39m | 5:44AM1.70m | 5:56PM1.49m | 6:10AM1.76m | 6:22PM1.59m | 6:36AM1.78m | 6:49PM1.66m | 7:03AM1.78m | 7:17PM1.70m | 7:31AM1.74m | 7:47PM1.71m | 8:00AM1.67m | 8:18PM1.68m | 8:32AM1.58m | 8:53PM1.62m | 9:07AM1.48m | 9:34PM1.53m | 9:48AM1.36m | 10:25PM1.42m | 10:42AM1.22m | 11:38PM1.35m | |||||||||||||
Low Tide | 11:22AM0.45m | 11:01PM0.40m | 11:49AM0.35m | 11:34PM0.30m | 12:13PM0.27m | 00:05AM0.23m | 12:38PM0.21m | 00:35AM0.18m | 1:02PM0.17m | 1:05AM0.17m | 1:26PM0.17m | 1:34AM0.18m | 1:49PM0.19m | 2:03AM0.23m | 2:13PM0.24m | 2:32AM0.31m | 2:39PM0.30m | 3:05AM0.40m | 3:10PM0.38m | 3:47AM0.51m | 3:52PM0.47m | 4:53AM0.62m | 4:57PM0.55m | 6:39AM0.67m | ||||||||||||
NW 9 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 8 | NW 3 | NW 4 | NNW 5 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | NW 6 | NW 9 | NW 9 | WNW 9 | NNW 15 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 7 | NNW 7 | NW 6 | |
 | |  | |  | | | | | | |  | | | | | | | | |  | |  |  | | | | |  |  | | | | | | | |
clear | clear | some clouds | clear | some clouds | some clouds | clear | clear | some clouds | some clouds | some clouds | clear | clear | clear | some clouds | clear | clear | clear | some clouds | some clouds | cloudy | some clouds | rain shwrs | light rain | rain shwrs | clear | some clouds | some clouds | cloudy | mod rain | cloudy | some clouds | some clouds | some clouds | cloudy | light rain | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2.0 | 3 | 5 | — | — | — | — | 6 | — | — | — | — | — | 4 | |
max°C | 9 | 8 | 7 | 8 | 9 | 9 | 11 | 12 | 10 | 10 | 10 | 8 | 7 | 7 | 7 | 8 | 8 | 7 | 8 | 9 | 8 | 10 | 10 | 9 | 8 | 8 | 7 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 9 | 9 |
Moonrise | — | 3:34 | — | — | 4:49 | — | — | 6:04 | — | — | 7:19 | — | — | 8:38 | — | — | — | 10:00 | — | — | 11:25 | — | — | — | 12:49 | — | — | 2:05 | — | — | 3:04 | — | — | 3:42 | — | — |
Moonset | 5:27 | — | — | 5:33 | — | — | 5:38 | — | — | 5:42 | — | — | 5:48 | — | — | 5:55 | — | — | 6:05 | — | — | 6:20 | — | — | 6:44 | — | — | 7:23 | — | — | 8:26 | — | — | 9:48 | — | — |
 | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:00 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:50 | — | — | 5:48 | — | — | 5:47 | — | — |
 | — | 8:39 | — | — | 8:42 | — | — | 8:44 | — | — | 8:45 | — | — | 8:47 | — | — | 8:50 | — | — | 8:52 | — | — | 8:53 | — | — | 8:55 | — | — | 8:58 | — | — | 8:59 | — | — | — | 9:00 |
Today's sea temperature in Portstewart is 9.1 °C (Statistics for 19 Apr 1981-2005 – mean: 8.9 max: 9.8 min: 7.7°C) | ||||||||||||||||||||||||||||||||||||
Nearest