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 08:45 AM and sunset is at 03:56 PM.
Days 1–3 Weather SummaryLight rain (total 4mm), mostly falling on Tue night. Cool air temperatures (max 10°C on Wed afternoon, min 4°C on Tue night). Winds increasing (light winds from the SSW on Mon morning, strong winds from the S by Tue night). | Days 4–6 Weather SummaryModerate rain (total 12mm), heaviest on Thu afternoon. Cool air temperatures (max 10°C on Fri night, min 4°C on Sat night). Mainly strong winds. | Days 7–9 Weather SummaryLight rain (total 6mm), mostly falling on Sun night. Mild temperatures (max 8°C on Sun afternoon, min 5°C on Sun morning). Mainly fresh winds. | Days 10–12 Weather SummaryMostly dry. Mild temperatures (max 6°C on Wed morning, min 4°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 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 | night | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 3:14PM1.40m | 3:45AM1.34m | 3:55PM1.42m | 4:22AM1.44m | 4:32PM1.45m | 4:56AM1.53m | 5:06PM1.48m | 5:29AM1.61m | 5:39PM1.50m | 6:02AM1.66m | 6:11PM1.52m | 6:36AM1.70m | 6:42PM1.51m | 7:12AM1.71m | 7:14PM1.50m | 7:48AM1.71m | 7:48PM1.46m | 8:25AM1.69m | 8:25PM1.41m | 9:05AM1.66m | 9:06PM1.34m | 9:49AM1.61m | 9:56PM1.26m | |||||||||||||
Low Tide | 8:55AM0.55m | 9:40PM0.47m | 9:52AM0.50m | 10:18PM0.41m | 10:39AM0.44m | 10:53PM0.36m | 11:20AM0.38m | 11:27PM0.31m | 11:58AM0.35m | 00:01AM0.27m | 12:34PM0.33m | 00:34AM0.23m | 1:10PM0.35m | 1:06AM0.21m | 1:45PM0.38m | 1:37AM0.21m | 2:21PM0.42m | 2:07AM0.23m | 2:58PM0.47m | 2:40AM0.27m | 3:40PM0.50m | 3:17AM0.33m | 4:29PM0.52m | 4:03AM0.40m | ||||||||||||
NW 14 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NNW 21 | NNW 20 | NW 19 | NW 18 | NNW 16 | NW 16 | NW 14 | NW 13 | NW 12 | NW 14 | NW 16 | NW 15 | NW 13 | NW 12 | NW 12 | NNW 17 | NW 15 | NNW 18 | NNW 15 | NW 14 | NW 13 | NW 12 | NW 15 | NW 14 | NW 13 | NW 12 | NW 11 | NNW 12 | |
 |  |  |  | |  |  | |  | |  | | | |  | | | | | | | | | |  | | | | | | | |  | | | | |
cloudy | some clouds | clear | clear | clear | rain shwrs | light rain | cloudy | some clouds | some clouds | mod rain | rain shwrs | some clouds | cloudy | light rain | light rain | cloudy | some clouds | some clouds | light rain | rain shwrs | clear | some clouds | rain shwrs | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | cloudy | some clouds | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | 3 | 1 | — | — | — | 6 | 2 | — | — | 2 | 2 | — | — | — | 1 | 2 | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 8 | 8 | 6 | 6 | 6 | 6 | 9 | 10 | 9 | 9 | 8 | 7 | 7 | 8 | 10 | 10 | 8 | 6 | 6 | 8 | 7 | 6 | 7 | 7 | 8 | 8 | 8 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 5 |
Moonrise | 4:09 | — | — | 5:27 | — | — | 6:46 | — | — | 8:03 | — | — | 9:12 | — | — | 10:05 | — | — | 10:41 | — | — | 11:05 | — | — | 11:20 | — | — | 11:31 | — | — | 11:39 | — | — | 11:46 | — | — |
Moonset | 1:08 | — | — | 1:19 | — | — | 1:34 | — | — | 1:58 | — | — | 2:36 | — | — | — | 3:31 | — | — | 4:43 | — | — | 6:03 | — | — | 7:28 | — | — | 8:52 | — | — | — | 10:16 | — | — | 11:40 |
 | 8:45 | — | — | 8:47 | — | — | 8:48 | — | — | 8:48 | — | — | 8:48 | — | — | 8:49 | — | — | 8:51 | — | — | 8:51 | — | — | 8:51 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — |
 | — | 3:56 | — | — | 3:56 | — | — | 3:56 | — | — | 3:56 | — | — | 3:57 | — | — | 3:57 | — | — | 3:57 | — | — | 3:59 | — | — | 3:59 | — | — | 4:00 | — | — | 4:00 | — | — | 4:01 | — |
Today's sea temperature in Portstewart is 10.9° C (Statistics for 15 Dec 1981-2005 – mean: 10.0 max: 11.1 min: 9.0°C) | ||||||||||||||||||||||||||||||||||||
Nearest