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 — and sunset is at 08:19 PM.
Days 1–4 Weather SummaryMostly dry. Warm air temperatures (max 22°C on Mon afternoon, min 18°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 7mm), mostly falling on Wed night. Warm air temperatures (max 25°C on Tue afternoon, min 23°C on Mon night). Mainly fresh winds. | Days 8–10 Weather SummaryHeavy rain (total 24mm), heaviest during Sat night. Warm (max 27°C on Thu night, min 22°C on Sat night). Winds increasing (light winds from the SW on Sat morning, fresh winds from the WSW by Sat night). | Days 11–13 Weather SummaryMostly dry. Warm (max 26°C on Tue morning, min 21°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wed 23 | |||||||||||||||||||||||||
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 | 8:57PM1.04m | 9:18AM0.87m | 9:38PM1.04m | 10:03AM0.91m | 10:21PM1.02m | 10:50AM0.94m | 11:07PM0.99m | 11:39AM0.97m | 11:55PM0.95m | 12:29PM1.00m | 00:46AM0.90m | 1:22PM1.02m | 1:42AM0.85m | 2:19PM1.03m | 2:44AM0.81m | 3:22PM1.05m | 3:52AM0.80m | 4:31PM1.06m | 5:03AM0.82m | 5:38PM1.10m | 6:06AM0.86m | 6:38PM1.13m | 7:03AM0.92m | |||||||||||||
Low Tide | 3:33AM0.05m | 3:03PM0.05m | 4:03AM0.03m | 3:47PM0.06m | 4:34AM0.02m | 4:33PM0.08m | 5:08AM0.01m | 5:25PM0.11m | 5:48AM0.01m | 6:28PM0.14m | 6:34AM0.02m | 7:52PM0.15m | 7:28AM0.03m | 9:18PM0.14m | 8:28AM0.04m | 10:29PM0.12m | 9:34AM0.05m | 11:33PM0.08m | 10:44AM0.04m | 00:31AM0.04m | 11:52AM0.02m | 1:25AM0.01m | 12:55PM-0.01m | |||||||||||||
S 8.0 | S 7.0 | S 7.0 | S 8.0 | S 7.0 | S 7.0 | SSE 6.0 | SE 6.0 | ESE 7.0 | SE 6.0 | SE 6.0 | S 3.0 | SSE 5.0 | S 3.0 | S 4.0 | S 6.0 | S 6.0 | S 7.0 | S 7.0 | S 7.0 | S 7.0 | S 7.0 | S 6.0 | S 4.0 | S 6.0 | S 7.0 | S 7.0 | S 7.0 | S 7.0 | S 7.0 | S 7.0 | S 8.0 | S 7.0 | S 7.0 | SSE 6.0 | SSE 6.0 | |
 | | |  |  | | | | | | | | |  | |  |  | |  | | | | | | |  | | | | | | | | | | | |
some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | risk tstorm | clear | rain shwrs | rain shwrs | clear | risk tstorm | some clouds | some clouds | rain shwrs | clear | clear | rain shwrs | light rain | some clouds | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 4 | 2 | — | 1 | — | — | 7 | — | — | 12 | 4 | — | — | — | — | — | — | — | — | — | — | |
max°C | 20 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 22 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 27 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 25 | 24 | 22 | 24 | 24 | 26 | 26 | 26 | 24 | 24 |
Moonrise | 9:22 | — | — | 9:52 | — | — | 10:18 | — | — | 10:42 | — | — | 11:04 | — | — | 11:26 | — | — | 11:51 | — | — | — | 12:20 | — | — | 12:55 | — | — | 1:40 | — | — | 2:37 | — | — | 3:44 | — |
Moonset | 5:45 | 6:56 | — | — | 8:08 | — | — | 9:19 | — | — | 10:30 | — | — | 11:41 | — | — | 12:54 | — | — | 2:09 | — | — | — | 3:27 | — | — | 4:45 | — | — | 5:58 | — | — | 7:01 | — | — | 7:52 |
 | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:31 | — |
 | 8:19 | — | 8:19 | — | — | 8:17 | — | — | 8:17 | — | — | 8:16 | — | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — | — | 8:15 | — | — | 8:14 | — | — | 8:13 | — | — | 8:12 | — | — | 8:12 |
Today's sea temperature in Block Island (Old Harbor) is 20.7 °C (Statistics for 11 Jul 1981-2005 – mean: 20.5 max: 22.5 min: 18.7°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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