Gerrish Island, Portsmouth Harbor Sea Conditions and Tide Table

Gerrish Island, Portsmouth 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 06:31 PM.

	Days 1–4 Weather Summary Mostly dry. Cool air temperatures (max 16°C on Thu afternoon, min 13°C on Wed night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm air temperatures (max 23°C on Tue morning, min 15°C on Sat night). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Warm (max 27°C on Tue afternoon, min 12°C on Wed morning). Wind will be generally light.									Days 11–13 Weather Summary Moderate rain (total 16mm), heaviest on Mon afternoon. Warm (max 23°C on Fri afternoon, min 14°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the SE by Mon morning).
	Wed 27		Thursday 28			Friday 29			Saturday 30			Sunday 1			Monday 2			Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8			Mon 9
	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		10:04PM3.12m	10:37AM2.97m		10:59PM3.20m		11:26AM3.12m	11:51PM3.21m		12:14PM3.21m	00:42AM3.15m		1:01PM3.22m	1:32AM3.03m		1:48PM3.16m	2:24AM2.87m		2:36PM3.04m	3:17AM2.69m		3:28PM2.89m	4:14AM2.51m		4:23PM2.74m		5:14AM2.37m		5:23PM2.61m	6:18AM2.30m		6:27PM2.53m	7:20AM2.28m		7:30PM2.51m	8:16AM2.32m
Low Tide	3:45PM-0.04m	4:22AM-0.23m		4:42PM-0.21m		5:11AM-0.30m		5:35PM-0.34m	5:59AM-0.31m		6:26PM-0.39m	6:46AM-0.25m		7:17PM-0.37m	7:34AM-0.12m		8:08PM-0.28m	8:22AM0.04m		9:00PM-0.14m	9:12AM0.22m		9:55PM0.03m	10:07AM0.39m		10:54PM0.18m		11:06AM0.52m	11:57PM0.30m		12:10PM0.60m	1:00AM0.36m		1:13PM0.60m	1:59AM0.36m
Wave height (m) direction period (s)	ESE 8	ESE 8	ESE 9	ESE 9	ESE 8	ESE 8	ESE 8	ESE 12	ESE 11	SE 11	SE 10	SE 10	SE 10	SE 10	ESE 10	ESE 9	ESE 9	ESE 9	ESE 8	ESE 8	E 5	E 6	ESE 11	ESE 11	SE 16	SE 15	ESE 15	ESE 14	ESE 13	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	SE 6

	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	some clouds	some clouds	cloudy	cloudy	some clouds	clear	clear	clear	some clouds	clear	clear	clear	clear	some clouds	some clouds	rain shwrs	mod rain
km/h	E	NW	E	SE	NW	ESE	E	N	NE	ESE	NW	ENE	SSE	WNW	ENE	SE	SW	SW	SW	NE	ENE	ENE	SSE	S	SSE	WSW	SSE	SE	SW	S	SSE	SSW	S	SSE	SSE	SSE
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2.0	8
max°C	15	14	15	16	15	14	15	14	15	17	16	17	20	18	20	21	19	23	27	24	12	12	14	17	19	19	21	23	22	22	23	20	17	19	18	17
Moonrise	5:59	—	—	6:23	—	—	6:45	—	—	7:08	—	—	7:34	—	—	8:04	—	—	8:40	—	—	—	9:24	—	—	10:17	—	—	11:16	—	—	—	12:19	—	—	1:23
Moonset	3:59	—	5:20	—	—	6:40	—	—	7:59	—	—	9:17	—	—	10:34	—	—	11:49	—	—	12:58	—	—	1:59	—	—	2:49	—	—	—	3:29	—	—	4:01	—	4:27
	—	—	6:35	—	—	6:37	—	—	6:37	—	—	6:39	—	—	6:39	—	—	6:41	—	—	6:41	—	—	6:43	—	—	6:45	—	—	6:46	—	—	6:47	—	—	6:48
	6:31	—	—	6:30	—	—	6:28	—	—	6:25	—	—	6:23	—	—	6:22	—	—	6:21	—	—	6:19	—	—	6:16	—	—	6:15	—	—	6:14	—	—	6:12	—	—
	Today's sea temperature in Gerrish Island, Portsmouth Harbor is 16.1 °C (Statistics for 27 Sep 1981-2005 – mean: 15.2 max: 16.4 min: 13.8°C)