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 05:41 AM and sunset is at 07:38 PM.

	Days 1–3 Weather Summary Light rain (total 4mm), mostly falling on Sun night. Cool air temperatures (max 16°C on Sun night, min 7°C on Sat morning). Wind will be generally light.									Days 4–6 Weather Summary Moderate rain (total 10mm), heaviest on Tue night. Cool air temperatures (max 13°C on Thu night, min 4°C on Tue night). Wind will be generally light.									Days 7–9 Weather Summary Heavy rain (total 26mm), heaviest during Fri morning. Very mild (max 14°C on Fri afternoon, min 8°C on Sat night). Wind will be generally light.									Days 10–12 Weather Summary Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 13°C on Mon afternoon, min 5°C on Mon night). Wind will be generally light.
	Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8
	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 See all maps
High Tide		2:14PM2.44m	2:14AM2.83m		2:59PM2.40m	3:00AM2.80m		3:49PM2.38m	3:53AM2.77m		4:45PM2.38m	4:53AM2.74m			5:47PM2.44m	5:58AM2.74m		6:50PM2.55m	7:06AM2.77m		7:51PM2.71m	8:12AM2.83m		8:47PM2.90m	9:13AM2.90m		9:40PM3.08m	10:11AM2.95m		10:31PM3.22m		11:05AM2.97m	11:19PM3.30m		11:57AM2.95m	00:07AM3.32m
Low Tide	7:59AM0.05m		8:02PM0.40m	8:42AM0.07m		8:47PM0.44m	9:31AM0.10m		9:39PM0.46m	10:25AM0.12m		10:38PM0.47m		11:25AM0.13m	11:43PM0.43m		12:27PM0.11m	00:51AM0.32m		1:29PM0.05m	1:57AM0.16m		2:27PM-0.02m	2:59AM-0.03m		3:22PM-0.09m	3:56AM-0.21m		4:13PM-0.13m	4:50AM-0.35m			5:03PM-0.13m	5:42AM-0.42m		5:52PM-0.09m
Wave height (m) direction period (s)	ESE 8	ESE 7	ESE 8	ESE 10	ESE 10	E 9	E 9	E 12	E 10	E 9	ENE 6	ESE 9	ESE 14	ESE 12	ESE 11	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	SSE 4	SE 4	SE 6	SE 6	SE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 7	E 7	E 7	E 8	E 8	E 8	NE 5

	clear	some clouds	cloudy	cloudy	cloudy	light rain	some clouds	some clouds	cloudy	light rain	cloudy	mod rain	some clouds	some clouds	clear	some clouds	cloudy	light rain	mod rain	light rain	light rain	light rain	light rain	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	light rain	rain shwrs	cloudy	cloudy	cloudy
km/h	SE	SE	SW	S	SSE	WSW	NE	SSE	NE	ESE	SSW	SW	SE	SE	SW	SE	ESE	SW	S	S	SSE	ESE	ESE	NNW	SE	SSE	WNW	NW	NW	NW	W	NNW	NNW	NNW	NNW	NNE
mm	—	—	—	—	—	4	—	—	—	1.0	—	8	—	—	—	—	—	1.0	10	2.0	5	5	4	—	—	—	—	—	—	—	—	1.0	1.0	—	—	—
max°C	11	12	12	10	13	16	15	15	14	6	5	5	8	9	10	12	12	13	12	14	12	9	9	9	13	14	12	11	13	11	10	10	9	10	11	9
Moonrise	—	—	—	12:04	—	—	1:01	—	—	1:49	—	—	2:27	—	—	2:57	—	—	3:23	—	—	3:46	—	—	4:08	—	—	4:30	—	—	4:55	—	—	5:25	—	—
Moonset	7:27	—	—	8:18	—	—	9:21	—	—	10:32	—	—	11:49	—	—	1:07	—	—	2:25	—	—	—	3:43	—	—	5:01	—	—	6:21	—	—	7:42	—	—	—	9:02
	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—	5:33	—	—	5:33	—	—	5:31	—	—	5:30	—	—	5:28	—	—	5:26	—	—	5:26	—	—
	—	7:38	—	—	7:40	—	—	7:42	—	—	7:43	—	—	7:44	—	—	7:45	—	—	7:45	—	—	7:46	—	—	7:49	—	—	7:50	—	—	7:51	—	—	7:52	—
	Today's sea temperature in Gerrish Island, Portsmouth Harbor is 7.3 °C (Statistics for 27 Apr 1981-2005 – mean: 6.5 max: 8.1 min: 4.8°C)