Block Island (Old Harbor) Sea Conditions and Tide Table

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 07:13 PM.

	Days 1–4 Weather Summary Heavy rain (total 21mm), heaviest during Mon morning. Cool air temperatures (max 16°C on Fri afternoon, min 3°C on Sat afternoon). Winds decreasing (fresh winds from the ESE on Sat night, calm by Sun night).											Days 5–7 Weather Summary Some drizzle, heaviest during Mon afternoon. Icy conditions (max 6°C on Wed afternoon, min 0°C on Tue night). Winds increasing (light winds from the N on Mon night, strong winds from the WNW by Tue morning).									Days 8–10 Weather Summary Moderate rain (total 17mm), heaviest on Fri night. Very mild (max 11°C on Thu night, min 5°C on Thu afternoon). Winds decreasing (strong winds from the E on Fri night, light winds from the NNW by Sat night).									Days 11–13 Weather Summary Mostly dry. Very mild (max 11°C on Mon afternoon, min 2°C on Tue morning). Winds decreasing (fresh winds from the NW on Tue morning, calm by Wed afternoon).
	Fri 4		Saturday 5			Sunday 6			Monday 7			Tuesday 8			Wednesday 9			Thursday 10			Friday 11			Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wed 16
	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
Wave Height Map See all maps
High Tide	1:28PM2.4ft	2:04AM2.82ft		2:38PM2.33ft	3:21AM2.62ft		3:52PM2.4ft	4:35AM2.56ft		4:58PM2.53ft		5:33AM2.59ft		5:52PM2.76ft	6:20AM2.62ft		6:37PM2.95ft	6:59AM2.69ft		7:16PM3.08ft	7:33AM2.72ft		7:51PM3.18ft	8:04AM2.72ft		8:22PM3.22ft	8:35AM2.69ft		8:53PM3.18ft	9:06AM2.62ft		9:23PM3.12ft	9:40AM2.53ft		9:56PM2.99ft	10:17AM2.4ft
Low Tide		7:06PM0.26ft	9:17AM0.33ft		9:01PM0.36ft	10:18AM0.33ft		10:18PM0.36ft		11:10AM0.3ft	11:18PM0.3ft		11:54AM0.2ft	00:09AM0.2ft		12:32PM0.13ft	00:51AM0.1ft		1:04PM0.03ft	1:29AM0.03ft		1:31PM-0.03ft	2:03AM-0.07ft		1:54PM-0.07ft	2:35AM-0.07ft		2:17PM-0.07ft	3:05AM-0.07ft		2:42PM0ft	3:35AM0.03ft		3:12PM0.07ft	4:06AM0.16ft
Wave height (ft) direction period (s)	S 7	S 7	S 7	SE 4	SSE 6	SSE 6	SSE 7	S 8	S 8	S 8	S 9	S 9	WNW 4	SW 6	S 8	SSW 4	SW 4	S 4	S 4	SSE 4	ESE 4	SE 6	ESE 6	SE 9	SSE 8	S 9	SW 4	SSE 8	WNW 4	WNW 3	NW 3	NW 3	NNW 4	NNW 4	NNW 4	N 4

	some clouds	some clouds	cloudy	light rain	light rain	light rain	light rain	light rain	light rain	light rain	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	cloudy	some clouds	heavy rain	rain shwrs	cloudy	cloudy	cloudy	cloudy	some clouds	some clouds	some clouds	clear	clear	cloudy	some clouds	some clouds
mph	NW	ENE	ESE	ESE	SW	WNW	WNW	E	NE	NNE	NW	WNW	WNW	WNW	W	WSW	SW	S	SSE	ESE	E	ENE	E	S	SE	WNW	W	W	WNW	WNW	NW	NW	NNW	NNW	NNW	N
in	—	—	—	0.2	0.2	0.08	0.04	0.2	0.2	0.04	—	—	—	—	—	—	—	—	—	—	—	—	0.6	0.04	—	—	—	—	—	—	—	—	—	—	—	—
max°F	61	59	41	39	50	50	50	48	41	39	41	36	39	36	36	43	41	41	41	52	50	46	45	46	45	45	45	48	46	46	52	48	39	45	43	43
Moonrise	10:43	—	11:51	—	—	1:01	—	—	2:09	—	—	—	3:15	—	—	4:18	—	—	5:19	—	—	6:20	—	—	7:21	—	—	8:23	—	—	—	9:26	—	—	10:30	11:32
Moonset	2:06	—	2:57	—	—	3:37	—	—	4:08	—	—	4:33	—	—	4:55	—	—	5:14	—	—	5:32	—	—	5:51	—	—	6:11	—	—	6:33	—	—	7:00	—	—	7:32
	—	—	6:22	—	—	6:22	—	—	6:20	—	—	6:18	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:11	—	—	6:09	—	—	6:09	—	—	6:07	—	—	6:05
	7:13	—	—	7:15	—	—	7:15	—	—	7:16	—	—	7:17	—	—	7:19	—	—	7:20	—	—	7:21	—	—	7:22	—	—	7:22	—	—	7:23	—	—	7:24	—	—
	Today's sea temperature in Block Island (Old Harbor) is 43 °F (Statistics for 04 Apr 1981-2005 – mean: 42 max: 46 min: 39°F)