Castle Island 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 SummaryA light covering of new snow, mostly falling on Thu night. Becoming milder with moderate rain (total 13mm) heaviest on Fri night. Icy conditions (max 9°C on Sat morning, min -13°C on Thu night). Winds decreasing (gales from the SW on Sat afternoon, calm by Sun afternoon). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Mon night. Air temperatures will be below freezing (max 0°C on Sun night, min -12°C on Wed afternoon). Winds increasing (light winds from the SSE on Mon morning, gales from the NNW by Mon night). | Days 8–10 Weather SummaryMostly dry. Temperatures will be below freezing (max -2°C on Sat afternoon, min -15°C on Fri morning). Winds increasing (calm on Thu morning, fresh winds from the NE by Sat afternoon). | Days 11–13 Weather SummaryA light covering of new snow, mostly falling on Sat night. Temperatures will be below freezing (max -1°C on Sat night, min -12°C on Tue night). Winds decreasing (gales from the NW on Sun night, moderate winds from the WNW 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 | Tue 30 | |||||||||||||||||||||||||
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 | 6:44PM0.77m | 7:10AM1.14m | 7:22PM0.77m | 7:41AM1.17m | 8:00PM0.77m | 8:11AM1.19m | 8:39PM0.77m | 8:42AM1.21m | 9:20PM0.78m | 9:16AM1.21m | 10:04PM0.79m | 9:52AM1.19m | 10:52PM0.81m | 10:34AM1.14m | 11:43PM0.83m | 11:21AM1.08m | 00:40AM0.86m | 12:17PM1.00m | 1:46AM0.90m | 1:23PM0.93m | 2:58AM0.95m | 2:42PM0.87m | 4:06AM1.02m | 4:01PM0.84m | ||||||||||||
Low Tide | 00:20AM0.23m | 1:43PM0.25m | 00:57AM0.20m | 2:18PM0.23m | 1:33AM0.18m | 2:53PM0.22m | 2:08AM0.19m | 3:27PM0.22m | 2:43AM0.23m | 4:01PM0.24m | 3:19AM0.28m | 4:35PM0.27m | 3:57AM0.35m | 5:10PM0.30m | 4:40AM0.44m | 5:48PM0.35m | 5:32AM0.52m | 6:33PM0.38m | 6:53AM0.58m | 7:36PM0.41m | 9:41AM0.54m | 9:03PM0.40m | 10:49AM0.44m | |||||||||||||
NE 13 | NE 13 | SW 6 | SSE 7 | SSE 10 | SW 8 | SSW 8 | SE 10 | SE 9 | SE 5 | SE 9 | SE 9 | SE 8 | NNE 8 | NNE 10 | NNE 10 | NNE 12 | NE 11 | NE 11 | ENE 10 | ENE 9 | ENE 9 | SE 13 | ESE 12 | E 10 | E 10 | E 10 | ENE 6 | ESE 11 | E 12 | ENE 12 | NE 10 | NNE 10 | NNE 11 | NNE 12 | NNE 12 | |
 |  | |  |  |  |  | | |  | |  |  | |  |  | | |  | | | | | | | | | | | | | | | | | | |
light snow | light snow | light snow | mod rain | mod rain | some clouds | some clouds | some clouds | light snow | mod snow | light snow | clear | snow shwrs | some clouds | cloudy | cloudy | cloudy | some clouds | clear | clear | some clouds | some clouds | clear | clear | some clouds | cloudy | cloudy | light snow | light snow | light snow | light snow | cloudy | cloudy | cloudy | some clouds | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | 6 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -10 | -3 | 2 | 6 | 9 | 1 | -8 | -10 | -8 | 0 | 0 | 0 | -1 | -2 | -5 | -6 | -10 | -10 | -13 | -12 | -12 | -12 | -13 | -13 | -9 | -4 | -2 | -1 | -2 | -2 | -3 | -5 | -4 | -8 | -10 | -10 |
Moonrise | — | 8:34 | — | — | 9:26 | — | — | 10:04 | — | — | 10:32 | — | — | 10:52 | — | — | 11:08 | — | — | 11:20 | — | — | 11:32 | — | — | 11:43 | — | — | 11:55 | — | — | 12:09 | — | — | 12:29 | — |
Moonset | — | — | 3:01 | — | — | 3:58 | — | — | 5:06 | — | — | 6:22 | — | — | 7:40 | — | — | 8:59 | — | — | — | 10:18 | — | — | 11:38 | — | — | — | 12:59 | — | — | 2:24 | — | — | 3:55 | — |
 | — | 8:17 | — | — | 8:18 | — | — | 8:18 | — | — | 8:18 | — | — | 8:18 | — | — | 8:19 | — | — | 8:19 | — | — | 8:19 | — | — | 8:21 | — | — | 8:21 | — | — | 8:21 | — | — | 8:21 | — |
 | — | — | 4:02 | — | — | 4:02 | — | — | 4:04 | — | — | 4:04 | — | — | 4:05 | — | — | 4:05 | — | — | 4:06 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:08 | — | — | 4:09 |
Today's sea temperature in Castle Island is 0.9° C (Statistics for 18 Dec 1981-2005 – mean: 0.0 max: 0.7 min: -0.6°C) | ||||||||||||||||||||||||||||||||||||
Nearest