Block Island (Old Harbor) 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 06:58 AM and sunset is at 04:16 PM.
Days 1–3 Weather SummaryMostly dry. Icy conditions (max 5°C on Sun afternoon, min -5°C on Mon morning). Winds decreasing (strong winds from the NNW on Sun night, calm by Mon night). | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Cool air temperatures (max 10°C on Wed afternoon, min 1°C on Thu afternoon). Winds decreasing (near gales from the SW on Wed afternoon, light winds from the NNW by Thu night). | Days 7–9 Weather SummaryMostly dry. Freeze-thaw conditions (max 1°C on Sat afternoon, min -5°C on Sat night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Mon afternoon). | Days 10–12 Weather SummaryA light covering of new snow, mostly falling on Tue afternoon. Freeze-thaw conditions (max 8°C on Thu night, min -3°C on Tue night). Winds decreasing (severe gales from the N on Tue afternoon, light winds from the W by Wed night). | ||||||||||||||||||||||||||||||||
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thu 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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 9:00AM1.15m | 9:30PM0.91m | 9:55AM1.06m | 10:26PM0.88m | 10:51AM0.97m | 11:24PM0.86m | 11:46AM0.87m | 00:22AM0.84m | 12:42PM0.78m | 1:21AM0.82m | 1:40PM0.71m | 2:22AM0.82m | 2:39PM0.66m | 3:20AM0.83m | 3:38PM0.64m | 4:13AM0.84m | 4:29PM0.64m | 4:58AM0.87m | 5:14PM0.66m | 5:39AM0.89m | 5:54PM0.68m | 6:16AM0.91m | 6:30PM0.71m | ||||||||||||
Low Tide | 3:42PM-0.10m | 3:10AM-0.09m | 4:37PM-0.05m | 4:09AM-0.02m | 5:34PM0.01m | 5:22AM0.05m | 6:32PM0.05m | 6:45AM0.10m | 7:26PM0.07m | 7:56AM0.13m | 8:14PM0.09m | 8:57AM0.14m | 8:55PM0.10m | 9:49AM0.13m | 9:33PM0.10m | 10:37AM0.11m | 10:09PM0.09m | 11:21AM0.09m | 10:45PM0.08m | 12:03PM0.06m | 11:23PM0.05m | 12:44PM0.03m | |||||||||||||
SE 8 | SE 8 | SSW 6 | NNW 4 | NNE 4 | SE 8 | ESE 9 | SSW 3 | SW 5 | SSW 5 | SSW 6 | SSW 6 | S 9 | S 9 | S 8 | S 8 | S 7 | SSE 7 | S 8 | S 8 | SSE 7 | NW 3 | WNW 3 | WNW 3 | SSE 10 | SSE 10 | ENE 4 | NE 5 | NE 6 | NNE 6 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SW 4 | |
 | |  | |  |  | | | | | |  |  | |  | | | | | | | | | | | |  |  | |  | | | | | | |
some clouds | some clouds | clear | some clouds | cloudy | some clouds | some clouds | cloudy | some clouds | some clouds | cloudy | rain shwrs | clear | cloudy | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | light snow | light snow | light snow | snow shwrs | clear | clear | some clouds | some clouds | cloudy | |
km/h | |||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 3 | 5 | 4 | -4 | -3 | -4 | -1 | 5 | 7 | 9 | 10 | 9 | 3 | 3 | 2 | 3 | 4 | 0 | -1 | 1 | -1 | -2 | -1 | -1 | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 2 | -1 | 4 | 6 |
Moonrise | — | 7:13 | — | — | 8:29 | — | — | — | 9:42 | — | — | 10:50 | — | — | 11:54 | — | — | — | 12:57 | — | — | 1:58 | — | — | 3:00 | — | — | 4:03 | — | — | 5:06 | — | — | 6:08 | — |
Moonset | 9:58 | — | — | 10:37 | — | — | 11:07 | — | — | 11:32 | — | — | 11:53 | — | — | 12:13 | — | — | 12:32 | — | — | 12:52 | — | — | 1:15 | — | — | 1:42 | — | — | 2:14 | — | — | 2:52 | — |
 | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — |
 | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — | — | 4:17 | — | — | 4:17 | — | — | 4:19 |
Today's sea temperature in Block Island (Old Harbor) is 10.0° C (Statistics for 07 Dec 1981-2005 – mean: 10.0 max: 12.8 min: 8.5°C) | |||||||||||||||||||||||||||||||||||
Nearest