Johnstown 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 SummaryLight rain (total 3mm), mostly falling on Mon night. Icy conditions (max 13°C on Mon night, min -1°C on Tue night). Winds decreasing (near gales from the S on Mon night, light winds from the WSW by Tue night). | Days 5–7 Weather SummaryMostly dry. Icy conditions (max 5°C on Sat afternoon, min -5°C on Thu night). Wind will be generally light. | Days 8–10 Weather SummaryHeavy rain (total 48mm), heaviest during Mon night. Freeze-thaw conditions (max 13°C on Mon night, min -4°C on Sun morning). Winds increasing (calm on Sun morning, strong winds from the SSE by Mon night). | Days 11–13 Weather SummaryMostly dry. Freeze-thaw conditions (max 4°C on Tue night, min -5°C on Thu morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||||||
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 | 10:06PM0.50m | 10:37AM0.46m | 10:38PM0.51m | 11:29AM0.45m | 11:22PM0.50m | 12:58PM0.44m | 00:22AM0.49m | 2:03PM0.42m | 1:32AM0.46m | 2:48PM0.39m | 2:33AM0.44m | 3:28PM0.36m | 3:25AM0.42m | 4:08PM0.34m | 4:13AM0.40m | 4:53PM0.31m | 5:05AM0.37m | 6:25PM0.30m | 6:09AM0.35m | 8:07PM0.30m | 7:26AM0.32m | 8:59PM0.32m | 8:35AM0.31m | |||||||||||||
Low Tide | 5:32AM0.38m | 5:18PM0.40m | 6:10AM0.38m | 5:57PM0.39m | 6:49AM0.37m | 6:35PM0.37m | 7:36AM0.36m | 7:15PM0.34m | 8:41AM0.33m | 7:58PM0.32m | 10:03AM0.31m | 8:46PM0.29m | 11:00AM0.28m | 9:46PM0.28m | 11:33AM0.26m | 10:53PM0.26m | 11:52AM0.25m | 11:57PM0.26m | 12:07PM0.25m | 1:06AM0.25m | 12:27PM0.25m | 2:48AM0.25m | 12:58PM0.25m | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
 |  | |  |  |  |  | | | | | |  | | | | | | | | | | |  |  |  | | | | | | | | | | | |
cloudy | cloudy | cloudy | light rain | some clouds | clear | clear | some clouds | cloudy | cloudy | some clouds | some clouds | some clouds | clear | some clouds | clear | some clouds | cloudy | some clouds | clear | clear | clear | cloudy | light rain | heavy rain | mod rain | cloudy | some clouds | cloudy | cloudy | cloudy | some clouds | cloudy | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 35 | 10 | — | — | — | — | — | — | — | — | — | — | |
max°C | 10 | 11 | 12 | 13 | 3 | 1 | 2 | 5 | 4 | 0 | -3 | -2 | -2 | -1 | 3 | 3 | 4 | 5 | 3 | -3 | -2 | 3 | 7 | 7 | 13 | 12 | 9 | 4 | -3 | -3 | -3 | -5 | -4 | -3 | -5 | -4 |
Moonrise | 4:58 | 6:13 | — | — | 7:30 | — | — | 8:41 | — | — | 9:42 | — | — | 10:30 | — | — | 11:06 | — | — | 11:34 | — | — | 11:56 | — | — | 12:16 | — | — | 12:34 | — | — | 12:53 | — | — | 1:14 | — |
Moonset | 2:27 | 2:57 | — | — | — | 3:38 | — | — | 4:32 | — | — | 5:41 | — | — | 7:00 | — | — | 8:22 | — | — | — | 9:44 | — | — | 11:04 | — | — | — | 12:21 | — | — | 1:38 | — | — | 2:54 | — |
 | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — |
 | — | — | 4:17 | — | — | 4:17 | — | — | 4:17 | — | — | 4:17 | — | — | 4:17 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — | — | 4:21 |
Today's sea temperature in Johnstown is 6.4 °C (Statistics for 10 Dec 1981-2005 – mean: 3.6 max: 6.3 min: 2.2°C) | ||||||||||||||||||||||||||||||||||||
Nearest