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 — and sunset is at —.
Days 1–4 Weather SummaryHeavy rain (total 40mm), heaviest during Fri afternoon. Cool air temperatures (max 11°C on Sat night, min 5°C on Thu night). Winds decreasing (near gales from the SE on Fri afternoon, light winds from the S by Sat morning). | Days 5–7 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Cool air temperatures (max 12°C on Mon night, min 7°C on Sun night). Winds decreasing (fresh winds from the W on Sun night, calm by Tue afternoon). | Days 8–10 Weather SummaryLight rain (total 7mm), mostly falling on Thu night. Very mild (max 12°C on Thu afternoon, min 8°C on Wed night). Mainly strong winds. | Days 11–13 Weather SummaryModerate rain (total 14mm), heaviest on Tue morning. Very mild (max 11°C on Sat night, min 6°C on Mon night). Winds increasing (light winds from the SW on Mon night, fresh winds from the WSW by Tue morning). | |||||||||||||||||||||||||||||||||
Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||||||
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 | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 5:43AM1.86m | 6:05PM1.78m | 6:28AM1.92m | 6:50PM1.69m | 7:14AM1.93m | 7:34PM1.56m | 8:02AM1.88m | 8:18PM1.42m | 8:54AM1.79m | 9:05PM1.28m | 9:51AM1.68m | 9:57PM1.15m | 10:56AM1.56m | 11:07PM1.07m | 12:11PM1.47m | 00:40AM1.06m | 1:25PM1.42m | 2:03AM1.12m | 2:26PM1.40m | 3:01AM1.23m | 3:14PM1.40m | 3:45AM1.34m | 3:55PM1.42m | |||||||||||||
Low Tide | 11:40PM0.09m | 12:07PM0.07m | 00:22AM0.10m | 1:00PM0.08m | 1:04AM0.12m | 1:53PM0.15m | 1:47AM0.16m | 2:48PM0.26m | 2:32AM0.22m | 3:45PM0.38m | 3:21AM0.30m | 4:47PM0.50m | 4:16AM0.39m | 5:52PM0.57m | 5:19AM0.48m | 7:00PM0.60m | 6:30AM0.55m | 8:04PM0.58m | 7:46AM0.57m | 8:56PM0.53m | 8:55AM0.55m | 9:40PM0.47m | 9:52AM0.50m | |||||||||||||
NW 17 | NW 16 | NW 15 | NW 14 | NW 19 | NW 18 | NW 15 | NW 15 | NW 14 | NW 13 | NW 21 | NW 18 | NW 17 | NW 16 | NW 16 | NW 14 | NW 13 | NW 12 | NW 12 | NW 12 | NW 13 | SE 3 | NW 21 | NW 19 | NW 17 | NW 15 | NW 14 | NW 13 | WSW 3 | WSW 3 | NW 9 | NW 8 | NW 7 | NW 7 | NW 7 | NW 11 | |
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some clouds | cloudy | heavy rain | heavy rain | cloudy | some clouds | some clouds | light rain | mod rain | rain shwrs | clear | cloudy | light rain | light rain | cloudy | cloudy | some clouds | some clouds | cloudy | light rain | cloudy | rain shwrs | cloudy | cloudy | rain shwrs | cloudy | cloudy | rain shwrs | rain shwrs | some clouds | some clouds | clear | some clouds | cloudy | mod rain | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | 14 | 13 | — | — | — | 3 | 10 | 1 | — | — | 5 | 1 | — | — | — | — | — | 1 | — | 5 | — | — | 1 | — | — | 4 | 1 | — | — | — | — | — | 9 | — | |
max°C | 6 | 8 | 9 | 10 | 8 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 9 | 7 | 9 | 7 |
Moonrise | — | — | 3:35 | — | — | 4:50 | — | — | 6:22 | — | — | 7:59 | — | — | — | 9:31 | — | — | 10:56 | — | — | — | 12:17 | — | — | 1:35 | — | — | 2:51 | — | — | 4:09 | — | — | 5:27 | — |
Moonset | — | 10:04 | — | — | 11:11 | — | — | 11:50 | — | — | 12:13 | — | — | 12:27 | — | — | 12:36 | — | — | 12:43 | — | — | 12:49 | — | — | 12:54 | — | — | 1:01 | — | — | 1:08 | — | — | 1:19 | — |
 | — | 8:33 | — | — | 8:36 | — | — | 8:37 | — | — | 8:37 | — | — | 8:40 | — | — | 8:41 | — | — | 8:41 | — | — | 8:42 | — | — | 8:44 | — | — | 8:45 | — | — | 8:45 | — | — | 8:47 | — |
 | — | — | 3:59 | — | — | 3:59 | — | — | 3:57 | — | — | 3:57 | — | — | 3:56 | — | — | 3:56 | — | — | 3:56 | — | — | 3:56 | — | — | 3:56 | — | — | 3:56 | — | — | 3:56 | — | — | 3:56 |
Today's sea temperature in Portstewart is 11.1° C (Statistics for 04 Dec 1981-2005 – mean: 10.4 max: 11.4 min: 9.3°C) | ||||||||||||||||||||||||||||||||||||
Nearest