Port Jefferson Sea Conditions and Tide Table

Port Jefferson 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 09:05 PM.

	Days 1–4 Weather Summary Heavy rain (total 36mm), heaviest during Mon night. Cool air temperatures (max 16°C on Tue morning, min 8°C on Tue night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm air temperatures (max 22°C on Sun morning, min 9°C on Thu night). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Warm (max 30°C on Mon afternoon, min 10°C on Wed morning). Wind will be generally light.									Days 11–13 Weather Summary Heavy rain (total 34mm), heaviest during Sat morning. Very mild (max 17°C on Thu afternoon, min 7°C on Wed night). Wind will be generally light.									Days 14–17 Weather Summary Heavy rain (total 26mm), heaviest during Sat afternoon. Warm (max 20°C on Tue afternoon, min 9°C on Sun night). Wind will be generally light.
	Mon 8		Tuesday 9			Wednesday 10			Thursday 11			Friday 12			Saturday 13			Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
	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	11:17AM2.08m	00:05AM3.33m		12:49PM2.16m	00:36AM3.31m		2:19PM2.39m	1:10AM3.30m		3:37PM2.70m	1:46AM3.31m		4:42PM3.02m	2:26AM3.33m			5:39PM3.30m			6:30PM3.50m			7:18PM3.63m			8:05PM3.69m	5:44AM3.14m		8:50PM3.69m	6:45AM2.93m		9:33PM3.67m	7:52AM2.67m		10:15PM3.61m	9:10AM2.40m		10:55PM3.54m	10:41AM2.21m		11:34PM3.44m		12:24PM2.17m
Low Tide		5:08PM0.86m	7:02AM0.88m		6:05PM1.27m	7:46AM0.42m		7:09PM1.65m	8:30AM-0.05m		8:16PM1.97m	9:14AM-0.49m		9:20PM2.19m	9:59AM-0.86m		10:21PM2.33m	10:45AM-1.12m		11:19PM2.39m		11:33AM-1.24m	00:15AM2.37m		12:21PM-1.22m	1:12AM2.26m		1:09PM-1.05m	2:11AM2.10m		1:58PM-0.73m	3:14AM1.86m		2:47PM-0.31m	4:20AM1.56m		3:37PM0.19m		5:27AM1.21m	4:29PM0.72m		6:29AM0.84m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	light rain	heavy rain	rain shwrs	light rain	rain shwrs	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	some clouds	clear	cloudy	some clouds	cloudy	light rain	rain shwrs	clear	some clouds	some clouds	clear	cloudy	light rain	heavy rain	heavy rain	heavy rain	light rain	rain shwrs	some clouds	cloudy	clear	clear	clear	clear	some clouds
km/h	W	SE	SW	NE	S	NE	N	E	N	N	ENE	N	N	NNE	N	N	NNE	N	N	N	N	N	SE	WSW	NE	ESE	SE	WSW	SSE	SSE	NNW	NNE	N	NE	SE	S	SSE	SSE	S	NE	NNW	SW	N	ESE	N	N	NE
mm	5	25	2	3	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5	1	—	—	—	—	—	3	16	14	15	5	1	—	—	—	—	—	—	—
max °C	13	12	16	16	11	14	16	16	16	19	15	17	21	19	18	21	20	22	27	23	26	30	21	17	18	13	11	12	11	14	17	14	15	17	15	10	11	10	12	14	14	15	19	16	17	20	17
Moonrise	—	—	1:47	—	—	2:03	—	—	2:23	—	—	2:48	—	—	3:22	—	—	4:09	—	—	5:13	—	—	6:32	—	—	7:59	—	—	9:24	—	—	10:45	—	—	12:01	—	—	1:14	—	—	2:24	—	—	—	3:34	—
Moonset	—	—	2:43	—	—	—	4:01	—	—	5:25	—	—	6:52	—	—	8:19	—	—	—	9:35	—	—	10:35	—	—	11:18	—	—	11:49	—	—	—	12:12	—	—	12:31	—	—	12:47	—	—	1:02	—	—	1:17	—	—
	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—
	—	9:05	—	—	9:06	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:08	—	—	9:08	—	—	9:09	—	—	9:09	—	—	9:10	—	—	9:10	—	—	9:10	—	—	9:10	—	—	9:12	—	—	9:12
	Today's sea temperature in Port Jefferson is 12.7° C (Statistics for 08 Jun 1981-2005 – mean: 12.3 max: 14.2 min: 11.1°C)