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 08:06 AM and sunset is at 04:01 PM.
Days 1–3 Weather SummaryMostly dry. Air temperatures will be well below freezing (max -6°C on Sun afternoon, min -14°C on Mon afternoon). Winds increasing (light winds from the NW on Mon night, strong winds from the W by Tue night). | Days 4–6 Weather SummaryA dusting of snow giving way to moderate rain (total 10mm) heaviest on Thu afternoon. Icy conditions (max 3°C on Thu afternoon, min -9°C on Wed morning). Winds increasing (light winds from the SW on Wed night, gales from the SW by Fri night). | Days 7–9 Weather SummaryA dusting of new snow. Temperatures will be below freezing (max -1°C on Mon morning, min -10°C on Mon night). Winds decreasing (strong winds from the W on Sat night, light winds from the NW by Sun afternoon). | Days 10–12 Weather SummaryA dusting of new snow. Temperatures will be well below freezing (max -6°C on Wed afternoon, min -12°C on Tue morning). Winds increasing (light winds from the WSW on Wed afternoon, strong winds from the NNW by Thu afternoon). | |||||||||||||||||||||||||||||||||
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||||||
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 | 9:02AM1.36m | 9:35PM0.84m | 9:52AM1.31m | 10:34PM0.80m | 10:44AM1.23m | 11:36PM0.78m | 11:41AM1.13m | 00:43AM0.78m | 12:43PM1.03m | 1:53AM0.81m | 1:47PM0.94m | 2:59AM0.85m | 2:51PM0.86m | 3:59AM0.91m | 3:49PM0.82m | 4:48AM0.96m | 4:40PM0.79m | 5:30AM1.01m | 5:25PM0.78m | 6:06AM1.06m | 6:06PM0.77m | 6:39AM1.10m | 6:44PM0.77m | |||||||||||||
Low Tide | 3:38PM0.12m | 2:55AM0.17m | 4:30PM0.18m | 3:36AM0.26m | 5:28PM0.26m | 4:18AM0.37m | 6:46PM0.33m | 8:06PM0.38m | 6:11AM0.58m | 9:00PM0.41m | 9:41AM0.57m | 9:39PM0.42m | 10:38AM0.52m | 10:10PM0.41m | 11:21AM0.45m | 10:38PM0.38m | 11:58AM0.39m | 11:09PM0.33m | 12:33PM0.33m | 11:44PM0.28m | 1:08PM0.28m | 00:20AM0.23m | ||||||||||||||
NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 12 | NE 11 | SW 8 | SW 8 | SW 8 | NE 10 | NE 8 | NE 7 | ENE 11 | NE 12 | NE 11 | NNE 5 | NE 8 | ENE 10 | NE 9 | NE 9 | SW 4 | NE 7 | NE 11 | NE 15 | NE 14 | NE 8 | NE 13 | |
 |  |  |  | |  |  | | | | |  |  |  | | | | | | | | | | | | |  | | | | | | | | | | |
clear | clear | some clouds | cloudy | clear | cloudy | some clouds | clear | clear | clear | clear | snow shwrs | light snow | mod rain | some clouds | some clouds | some clouds | snow shwrs | some clouds | some clouds | clear | clear | some clouds | cloudy | light snow | cloudy | light snow | some clouds | clear | some clouds | some clouds | some clouds | cloudy | light snow | some clouds | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -8 | -6 | -7 | -13 | -12 | -12 | -13 | -12 | -11 | -8 | -7 | 0 | 1 | 3 | 2 | -3 | -4 | -4 | -8 | -6 | -4 | -5 | -5 | -2 | -1 | -2 | -4 | -11 | -11 | -9 | -7 | -6 | -7 | -7 | -8 | -10 |
Moonrise | — | 6:47 | — | — | 8:16 | — | — | — | 9:41 | — | — | 11:00 | — | — | — | 12:16 | — | — | 1:29 | — | — | 2:41 | — | — | 3:53 | — | — | 5:07 | — | — | 6:20 | — | — | 7:31 | — | — |
Moonset | 11:15 | — | — | 11:43 | — | — | 12:02 | — | — | 12:15 | — | — | 12:27 | — | — | 12:37 | — | — | 12:46 | — | — | 12:57 | — | — | 1:10 | — | — | 1:26 | — | — | 1:48 | — | — | 2:18 | — | — |
 | 8:06 | — | — | 8:07 | — | — | 8:08 | — | — | 8:10 | — | — | 8:11 | — | — | 8:11 | — | — | 8:12 | — | — | 8:14 | — | — | 8:14 | — | — | 8:15 | — | — | 8:15 | — | — | 8:17 | — | — |
 | — | 4:01 | — | — | 4:01 | — | — | 4:01 | — | — | 4:01 | — | — | 4:00 | — | — | 4:00 | — | — | 4:00 | — | — | 4:01 | — | — | 4:01 | — | — | 4:01 | — | — | 4:01 | — | — | 4:01 | — |
Today's sea temperature in Castle Island is 1.8° C (Statistics for 07 Dec 1981-2005 – mean: 0.2 max: 0.9 min: -0.6°C) | ||||||||||||||||||||||||||||||||||||
Nearest