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 08:13 PM.
Days 1–4 Weather SummaryModerate rain (total 19mm), heaviest on Tue afternoon. Warm air temperatures (max 26°C on Wed night, min 17°C on Wed night). Winds decreasing (strong winds from the SW on Tue night, calm by Thu night). | Days 5–7 Weather SummaryMostly dry. Warm air temperatures (max 22°C on Sat afternoon, min 16°C on Sat night). Winds decreasing (fresh winds from the NE on Sat morning, calm by Sun morning). | Days 8–10 Weather SummaryModerate rain (total 11mm), heaviest on Tue morning. Warm (max 26°C on Wed afternoon, min 19°C on Tue night). Mainly near gales. | Days 11–13 Weather SummaryModerate rain (total 19mm), heaviest on Fri morning. Warm (max 23°C on Thu afternoon, min 17°C on Fri night). Mainly strong winds. | Days 14–17 Weather SummaryLight rain (total 8mm), mostly falling on Mon night. Warm (max 21°C on Sun afternoon, min 16°C on Tue night). Winds decreasing (fresh winds from the E on Mon afternoon, light winds from the NNE by Wed night). | |||||||||||||||||||||||||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||||||||||||||||||||
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 | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 2:04PM0.92m | 2:12AM0.71m | 3:00PM0.88m | 3:10AM0.66m | 4:03PM0.85m | 4:18AM0.64m | 5:07PM0.85m | 5:23AM0.66m | 6:02PM0.87m | 6:15AM0.69m | 6:47PM0.91m | 6:58AM0.74m | 7:26PM0.94m | 7:36AM0.79m | 8:00PM0.97m | 8:12AM0.84m | 8:33PM0.99m | 8:48AM0.87m | 9:06PM0.99m | 9:26AM0.91m | 9:41PM0.98m | 10:05AM0.94m | 10:19PM0.95m | 10:46AM0.96m | 11:01PM0.92m | 11:30AM0.98m | 11:46PM0.88m | 12:16PM0.99m | |||||||||||||||||||
Low Tide | 8:47PM0.22m | 7:52AM0.18m | 9:47PM0.24m | 8:44AM0.21m | 10:44PM0.25m | 9:45AM0.23m | 11:37PM0.23m | 10:47AM0.22m | 00:27AM0.20m | 11:45AM0.19m | 1:12AM0.17m | 12:37PM0.15m | 1:53AM0.13m | 1:24PM0.12m | 2:30AM0.09m | 2:05PM0.09m | 3:02AM0.07m | 2:43PM0.08m | 3:29AM0.05m | 3:18PM0.08m | 3:52AM0.04m | 3:55PM0.10m | 4:17AM0.03m | 4:35PM0.12m | 4:49AM0.03m | 5:20PM0.15m | 5:27AM0.04m | 6:14PM0.17m | |||||||||||||||||||
Wave Height (m) Direction Period (s) | SSE 5 | S 7 | S 8 | S 9 | S 9 | S 8 | S 8 | S 7 | S 7 | SSE 6 | SE 7 | SE 7 | ESE 5 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 4 | S 6 | S 4 | S 7 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | S 7 | S 5 | S 7 | S 7 | S 8 | S 7 | SSE 8 | S 8 | S 8 | S 8 | S 7 | ESE 5 | S 7 | S 7 | S 8 | S 7 | SSE 6 | SSE 7 | S 6 |
 |  |  | |  | | |  | | | |  | | | | | | | | | |  | | | | | | |  | |  |  | | | | | | | | | |  | | | | | | |
mod rain | mod rain | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | some clouds | clear | clear | clear | clear | some clouds | mod rain | rain shwrs | some clouds | clear | clear | clear | clear | clear | light rain | rain shwrs | risk tstorm | risk tstorm | clear | clear | some clouds | clear | clear | some clouds | clear | some clouds | light rain | light rain | rain shwrs | some clouds | clear | clear | clear | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
mm | 9 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 2 | — | — | — | — | — | — | 3 | 11 | 2 | 3 | — | — | — | — | — | — | — | — | 4 | 2 | 2 | — | — | — | — |
max °C | 22 | 23 | 22 | 24 | 26 | 20 | 22 | 20 | 20 | 21 | 20 | 20 | 22 | 21 | 18 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 26 | 26 | 22 | 23 | 23 | 22 | 23 | 22 | 19 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 18 | 18 | 18 | 19 | 20 | 20 |
Moonrise | — | — | 2:46 | — | — | — | 3:50 | — | — | 4:51 | — | — | 5:47 | — | — | 6:37 | — | — | 7:19 | — | — | 7:54 | — | — | 8:23 | — | — | 8:48 | — | — | — | 9:11 | — | — | 9:31 | — | — | 9:52 | — | — | 10:15 | — | — | 10:40 | — | — | 11:10 |
Moonset | — | 11:51 | — | — | — | 12:19 | — | — | 12:53 | — | — | 1:33 | — | — | 2:22 | — | — | 3:17 | — | — | 4:19 | — | — | 5:23 | — | — | 6:29 | — | — | 7:34 | — | — | 8:40 | — | — | 9:46 | — | — | 10:53 | — | — | 12:02 | — | — | 1:15 | — | — |
 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — |
 | 8:13 | — | — | 8:12 | — | — | 8:12 | — | — | 8:10 | — | — | 8:09 | — | — | 8:08 | — | — | 8:07 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — |
Today's sea temperature in Block Island (Old Harbor) is 19.3° C (Statistics for 21 Jul 1981-2005 – mean: 21.3 max: 22.9 min: 18.6°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest