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 07:09 AM and sunset is at 04:22 PM.
Days 1–3 Weather SummarySome drizzle, heaviest during Tue night. Icy conditions (max 6°C on Tue night, min -8°C on Thu night). Winds decreasing (strong winds from the NW on Wed morning, light winds from the W by Wed night). | Days 4–6 Weather SummaryA dusting of snow giving way to moderate rain (total 14mm) heaviest on Sun night. Icy conditions (max 8°C on Sun night, min -5°C on Fri night). Winds increasing (light winds from the NNW on Sat night, near gales from the W by Mon afternoon). | Days 7–9 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 3°C on Wed night, min -5°C on Thu afternoon). Winds decreasing (gales from the W on Mon night, light winds from the N by Thu morning). | Days 10–12 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Sun night, min -15°C on Thu night). Winds decreasing (strong winds from the NW on Thu night, light winds from the W by Sat afternoon). | ||||||||||||||||||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sun 4 | ||||||||||||||||||||||||
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 | 10:02AM0.85m | 10:32PM0.75m | 10:47AM0.82m | 11:21PM0.77m | 11:37AM0.79m | 00:13AM0.81m | 12:31PM0.76m | 1:09AM0.85m | 1:31PM0.73m | 2:10AM0.90m | 2:38PM0.72m | 3:15AM0.96m | 3:46PM0.74m | 4:19AM1.03m | 4:50PM0.79m | 5:18AM1.09m | 5:47PM0.85m | 6:13AM1.14m | 6:40PM0.90m | 7:05AM1.16m | 7:31PM0.94m | 7:55AM1.14m | |||||||||||||
Low Tide | 4:08PM0.02m | 4:03AM0.08m | 4:47PM0.02m | 4:58AM0.11m | 5:33PM0.01m | 6:08AM0.12m | 6:26PM-0.00m | 7:43AM0.11m | 7:25PM-0.02m | 9:07AM0.06m | 8:26PM-0.04m | 10:13AM-0.01m | 9:28PM-0.08m | 11:13AM-0.07m | 10:30PM-0.12m | 12:08PM-0.13m | 11:31PM-0.16m | 1:00PM-0.18m | 00:29AM-0.19m | 1:48PM-0.20m | 1:23AM-0.20m | 2:33PM-0.19m | |||||||||||||
NW 4 | NNE 5 | ESE 9 | SW 4 | S 8 | NNW 4 | N 4 | SE 11 | ENE 3 | NE 4 | NE 4 | SE 13 | ESE 13 | ESE 12 | SSW 4 | S 7 | WSW 5 | WSW 5 | W 5 | W 4 | W 4 | W 4 | SW 4 | SW 5 | S 9 | SSE 8 | NNW 3 | NNW 4 | NW 3 | NW 3 | SE 11 | SE 12 | SE 11 | ESE 10 | SW 3 | |
 |  |  |  | |  | | |  | | | | | |  | | | | | | | | | |  | | | | | | | | | | | |
clear | some clouds | some clouds | cloudy | clear | clear | some clouds | cloudy | light snow | some clouds | clear | clear | some clouds | some clouds | heavy rain | some clouds | clear | some clouds | some clouds | clear | clear | some clouds | some clouds | some clouds | light snow | light snow | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | |
km/h | |||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 5 | 2 | 3 | 5 | 5 | -3 | -5 | -4 | -2 | 0 | -2 | -4 | -1 | 1 | 8 | 6 | 0 | -1 | -2 | -2 | -3 | 0 | 2 | 3 | -2 | -3 | -6 | -12 | -11 | -13 | -10 | -7 | -4 | -1 | 2 |
Moonrise | 10:16 | — | — | 10:39 | — | — | 11:00 | — | — | 11:22 | — | — | 11:45 | — | — | 12:12 | — | — | 12:44 | — | — | 1:26 | — | — | 2:20 | — | — | — | 3:27 | — | — | 4:43 | — | — | 6:02 |
Moonset | — | 8:57 | — | — | — | 10:05 | — | — | 11:13 | — | — | — | 12:23 | — | — | 1:37 | — | — | 2:54 | — | — | 4:14 | — | — | 5:33 | — | — | 6:44 | — | — | 7:43 | — | — | 8:28 | — |
 | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — |
 | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:23 | — | — | 4:24 | — | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — | — | 4:29 | — | — | 4:30 | — | — | 4:30 |
Today's sea temperature in Block Island (Old Harbor) is 7.5° C (Statistics for 24 Dec 1981-2005 – mean: 8.2 max: 10.2 min: 6.7°C) | |||||||||||||||||||||||||||||||||||
Nearest