Seavey Island, Portsmouth Harbor Sea Conditions and Tide Table

Seavey 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 05:57 PM.

	Days 1–4 Weather Summary Mostly dry. Cool air temperatures (max 11°C on Tue morning, min 4°C on Sat night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Cool air temperatures (max 15°C on Thu afternoon, min 4°C on Wed morning). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Very mild (max 15°C on Sun afternoon, min 4°C on Sat morning). Wind will be generally light.									Days 11–13 Weather Summary Light rain (total 5mm), mostly falling on Tue morning. Very mild (max 19°C on Mon afternoon, min 3°C on Tue night). Wind will be generally light.									Days 14–17 Weather Summary Some drizzle, heaviest during Sun morning. Very mild (max 19°C on Sun afternoon, min 6°C on Fri morning). Wind will be generally light.
	Sat 17		Sunday 18			Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26			Tuesday 27			Wednesday 28			Thursday 29			Friday 30			Saturday 31			Sunday 1
	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 See all maps
High Tide	4:39PM2.34m		5:31AM2.05m		5:41PM2.29m	6:33AM2.06m		6:43PM2.28m	7:32AM2.12m		7:44PM2.31m	8:26AM2.22m		8:39PM2.37m	9:12AM2.34m		9:28PM2.45m	9:52AM2.49m		10:11PM2.52m	10:29AM2.63m		10:52PM2.58m		11:06AM2.76m	11:35PM2.62m		11:46AM2.88m	00:19AM2.64m		12:29PM2.96m	1:05AM2.63m		1:14PM3.01m	1:53AM2.59m		2:03PM3.00m	2:45AM2.52m		2:56PM2.93m	3:43AM2.44m		3:56PM2.83m
Low Tide		11:10PM0.39m		11:22AM0.66m	00:08AM0.42m		12:22PM0.66m	1:06AM0.41m		1:23PM0.60m	2:02AM0.37m		2:21PM0.50m	2:53AM0.31m		3:13PM0.36m	3:37AM0.23m		3:58PM0.20m	4:16AM0.16m		4:40PM0.05m	4:54AM0.11m			5:22PM-0.09m	5:34AM0.07m		6:05PM-0.20m	6:15AM0.05m		6:51PM-0.27m	6:59AM0.06m		7:39PM-0.29m	7:47AM0.10m		8:30PM-0.25m	8:39AM0.16m		9:27PM-0.16m	9:37AM0.24m
Wave Height (m) Direction Period (s)	NW 3	NE 5	ESE 8	ESE 8	SE 8	ESE 10	ESE 9	ESE 11	ESE 10	ESE 10	ESE 9	E 9	E 9	ESE 10	ESE 10	ESE 10	ESE 9	E 8	E 9	E 9	E 8	E 9	E 8	E 8	SSE 4	SSE 4	S 4	ESE 7	SE 7	SE 9	ESE 10	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	E 10	E 11	ESE 13	ESE 12	E 12	ESE 12	ESE 11	E 11	E 12	ESE 13	ESE 13

	some clouds	clear	clear	clear	clear	clear	some clouds	cloudy	cloudy	some clouds	clear	some clouds	some clouds	some clouds	cloudy	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	some clouds	some clouds	some clouds	some clouds	light rain	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	rain shwrs	clear	clear
km/h	NW	NW	SSW	SSE	W	ENE	ENE	N	NNE	NE	NNE	NE	NE	NNE	NNE	NNE	N	NNE	E	NNE	ENE	SSE	SW	SW	SSW	SW	SW	SW	WSW	NE	N	N	N	N	NW	NW	W	NW	SSE	SE	NNW	ENE	SE	SSW	W	WNW	NNW
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—
max °C	9	6	7	10	8	8	9	9	11	14	12	6	10	9	7	15	13	10	14	11	5	6	6	9	15	12	14	19	16	12	12	8	6	9	7	7	13	12	9	12	11	12	15	14	16	19	16
Moonrise	—	—	2:26	—	—	2:54	—	—	—	3:19	—	—	3:40	—	—	4:01	—	—	4:21	—	—	4:43	—	—	5:07	—	—	5:38	—	—	6:16	—	—	7:05	—	—	8:07	—	—	—	9:19	—	—	10:37	—	—	10:54
Moonset	—	10:32	—	—	11:37	—	—	—	12:42	—	—	1:49	—	—	2:56	—	—	4:05	—	—	5:16	—	—	6:30	—	—	7:48	—	—	9:08	—	—	10:27	—	—	11:39	—	—	12:38	—	—	1:24	—	—	1:00	—	—
	—	—	6:58	—	—	7:00	—	—	7:01	—	—	7:03	—	—	7:03	—	—	7:05	—	—	7:05	—	—	7:07	—	—	7:09	—	—	7:09	—	—	7:11	—	—	7:13	—	—	7:13	—	—	7:15	—	—	6:16	—	—
	5:57	—	—	5:55	—	—	5:53	—	—	5:52	—	—	5:51	—	—	5:49	—	—	5:47	—	—	5:45	—	—	5:45	—	—	5:43	—	—	5:42	—	—	5:40	—	—	5:38	—	—	5:37	—	—	5:36	—	—	4:35	—
	Today's sea temperature in Seavey Island, Portsmouth Harbor is 13.4°C (Statistics for 17 Oct 1981-2005 – mean: 12.7 max: 14.5 min: 11.2°C)