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 05:52 AM and sunset is at 07:30 PM.

	Days 1–3 Weather Summary Moderate rain (total 10mm), heaviest on Sat morning. Cool air temperatures (max 14°C on Sat afternoon, min 3°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 4mm), mostly falling on Wed afternoon. Cool air temperatures (max 12°C on Mon afternoon, min 1°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the SSE by Tue afternoon).									Days 7–9 Weather Summary Mostly dry. Freeze-thaw conditions (max 14°C on Sat afternoon, min 0°C on Thu night). Wind will be generally light.									Days 10–12 Weather Summary Light rain (total 6mm), mostly falling on Mon afternoon. Very mild (max 10°C on Tue afternoon, min 5°C on Mon night). Wind will be generally light.
	Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29			Tuesday 30
	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	9:22AM2.41m		9:52PM2.36m	10:08AM2.44m		10:31PM2.43m	10:49AM2.45m		11:06PM2.49m		11:27AM2.45m	11:39PM2.54m		12:03PM2.44m	00:11AM2.58m		12:39PM2.42m	00:44AM2.62m		1:14PM2.39m	1:18AM2.64m		1:52PM2.36m	1:55AM2.65m		2:31PM2.32m	2:36AM2.64m		3:17PM2.26m	3:23AM2.61m		4:11PM2.22m	4:20AM2.57m			5:13PM2.21m
Low Tide		3:34PM0.30m	3:53AM0.36m		4:16PM0.27m	4:35AM0.27m		4:52PM0.27m		5:13AM0.20m		5:26PM0.27m	5:48AM0.14m		5:59PM0.28m	6:24AM0.09m		6:32PM0.30m	7:00AM0.06m		7:06PM0.33m	7:38AM0.05m		7:43PM0.36m	8:19AM0.06m		8:24PM0.40m	9:05AM0.09m		9:11PM0.45m	9:57AM0.13m		10:06PM0.49m	10:56AM0.15m		11:08PM0.49m
Wave height (m) direction period (s)	E 11	ESE 10	SE 4	SE 5	SE 7	SE 7	SE 6	SE 6	ESE 12	SE 7	SE 12	SE 11	SE 3	SE 5	SE 5	ESE 5	ESE 6	ESE 8	ESE 9	ESE 9	ESE 9	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	NE 4	ESE 10	ESE 10	ESE 10	SSE 3	SSE 4	E 9	E 9	E 9	E 10

	cloudy	some clouds	light rain	mod rain	cloudy	clear	clear	some clouds	clear	clear	clear	clear	clear	some clouds	cloudy	light rain	light rain	some clouds	clear	cloudy	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	cloudy	light rain	light rain	cloudy	cloudy	cloudy
km/h	SE	SSE	SSW	SW	SW	W	W	W	WSW	WNW	NW	NNE	SSE	SSE	S	SSE	S	W	WNW	W	W	WNW	NW	WNW	NNW	ENE	NNE	E	SSE	SSW	SSE	S	S	SSE	ESE	E
mm	—	—	1.0	9	—	—	—	—	—	—	—	—	—	—	—	2.0	2.0	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2.0	4	—	—	—
max°C	6	7	7	9	14	10	9	13	10	9	12	9	9	9	8	8	12	10	5	8	5	8	9	7	11	14	13	8	8	7	8	7	5	8	10	8
Moonrise	—	3:23	—	—	4:25	—	—	5:27	—	—	6:29	—	—	7:34	—	—	8:41	—	—	—	9:51	—	—	10:59	—	—	—	12:04	—	—	1:02	—	—	1:49	—	—
Moonset	4:20	—	—	4:38	—	—	4:55	—	—	5:11	—	—	5:30	—	—	5:51	—	—	6:16	—	—	6:47	—	—	7:27	—	—	8:19	—	—	9:21	—	—	10:32	—	—
	5:52	—	—	5:52	—	—	5:50	—	—	5:48	—	—	5:47	—	—	5:46	—	—	5:43	—	—	5:43	—	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—
	—	7:30	—	—	7:31	—	—	7:32	—	—	7:34	—	—	7:35	—	—	7:36	—	—	7:37	—	—	7:38	—	—	7:39	—	—	7:40	—	—	7:42	—	—	7:43	—
	Today's sea temperature in Seavey Island, Portsmouth Harbor is 6.7 °C (Statistics for 19 Apr 1981-2005 – mean: 5.5 max: 7.0 min: 4.0°C)