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 07:41 AM and sunset is at 04:21 PM.
Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Fri night. Turning milder with moderate rain (total 10mm), heaviest on Sat afternoon. Icy conditions (max 3°C on Sat morning, min -5°C on Sun morning). Winds increasing (calm on Fri afternoon, fresh winds from the WNW by Sat night). | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Wed night. Icy conditions (max 3°C on Wed night, min -7°C on Mon night). Winds increasing (light winds from the SW on Tue morning, fresh winds from the NE by Wed night). | Days 7–9 Weather SummaryHeavy rain (total 20mm), heaviest during Thu morning. Later becoming colder with a dusting of snow on Thu night. Mild temperatures (max 7°C on Sat afternoon, min 1°C on Fri morning). Winds decreasing (fresh winds from the ENE on Thu morning, light winds from the NE by Sat night). | Days 10–12 Weather SummaryMostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -1°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | |||||||||||||||||||||||||
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 | 3:37PM0.19m | 4:06AM0.27m | 3:48PM0.19m | 4:37AM0.27m | 4:13PM0.21m | 10:12PM0.23m | 5:48AM0.29m | 9:53PM0.27m | 8:09AM0.32m | 9:55PM0.32m | 9:02AM0.35m | 9:56PM0.37m | 9:45AM0.38m | 9:51PM0.41m | 10:24AM0.40m | 9:54PM0.45m | 10:59AM0.42m | 10:15PM0.47m | 11:29AM0.42m | 10:53PM0.48m | 1:06PM0.42m | 11:50PM0.48m | 1:36PM0.42m | 1:10AM0.48m | ||||||||||||
Low Tide | 12:20PM0.17m | 7:32PM0.17m | 12:46PM0.18m | 6:14PM0.18m | 1:01PM0.19m | 5:22PM0.21m | 1:18PM0.22m | 00:39AM0.26m | 1:43PM0.26m | 1:50AM0.29m | 2:18PM0.30m | 3:03AM0.31m | 3:06PM0.34m | 4:12AM0.34m | 4:02PM0.37m | 5:06AM0.36m | 4:50PM0.38m | 5:51AM0.38m | 5:30PM0.38m | 6:32AM0.39m | 6:07PM0.37m | 7:14AM0.39m | 6:42PM0.36m | |||||||||||||
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 | |  |  | |  |  | | | | |  | | | | | |  |  | |  | | | | |  | | | | | | | | | |  | |
some clouds | some clouds | snow shwrs | light snow | light snow | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | light rain | mod rain | mod rain | light snow | cloudy | cloudy | cloudy | some clouds | clear | some clouds | clear | clear | some clouds | cloudy | cloudy | cloudy | some clouds | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 10 | 7 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -1 | 0 | 0 | 3 | 3 | -1 | -4 | -4 | -4 | -3 | -3 | -3 | -5 | -2 | 0 | 0 | 1 | 3 | 3 | 3 | 3 | 1 | 1 | 4 | 5 | 7 | 7 | 5 | 4 | -1 | -1 | 0 | 0 | 0 | 1 | -1 |
Moonrise | — | — | 10:09 | — | — | 11:14 | — | — | — | 12:19 | — | — | 1:23 | — | — | 2:27 | — | — | 3:35 | — | — | 4:43 | — | — | 5:53 | — | — | 6:59 | — | — | 7:59 | — | — | 8:48 | — | — |
Moonset | 11:22 | — | — | 11:39 | — | — | 11:54 | — | — | 12:09 | — | — | 12:24 | — | — | 12:41 | — | — | 1:02 | — | — | 1:28 | — | — | 2:03 | — | — | 2:49 | — | — | — | 3:47 | — | — | 4:56 | — |
 | 7:41 | — | — | 7:41 | — | — | 7:41 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — |
 | — | 4:21 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:23 | — | — | 4:24 | — | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — | — | 4:28 | — |
Today's sea temperature in Johnstown is 6.3 °C (Statistics for 20 Dec 1981-2005 – mean: 2.4 max: 4.3 min: 0.7°C) | ||||||||||||||||||||||||||||||||||||
Nearest