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 09:12 PM.

	Days 1–4 Weather Summary Light rain (total 3mm), mostly falling on Thu night. Warm air temperatures (max 28°C on Wed afternoon, min 10°C on Wed night). Wind will be generally light.											Days 5–7 Weather Summary Light rain (total 5mm), mostly falling on Fri afternoon. Cool air temperatures (max 18°C on Fri afternoon, min 9°C on Fri night). Wind will be generally light.									Days 8–10 Weather Summary Light rain (total 5mm), mostly falling on Tue night. Very mild (max 19°C on Tue afternoon, min 9°C on Wed night). Wind will be generally light.									Days 11–13 Weather Summary Heavy rain (total 27mm), heaviest during Sat night. Warm (max 20°C on Thu afternoon, min 12°C on Sat night). Wind will be generally light.									Days 14–17 Weather Summary Light rain (total 3mm), mostly falling on Sun night. Warm (max 24°C on Wed afternoon, min 11°C on Mon night). Wind will be generally light.
	Tue 23		Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8
	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	2:05PM2.32m	00:48AM3.19m		3:28PM2.56m	1:23AM3.07m		4:31PM2.82m	1:58AM2.97m			5:22PM3.04m			6:05PM3.19m			6:42PM3.29m			7:15PM3.36m			7:45PM3.40m	5:05AM2.80m		8:13PM3.44m	5:48AM2.73m		8:39PM3.46m	6:35AM2.64m		9:05PM3.47m	7:29AM2.50m		9:32PM3.47m	8:30AM2.36m		10:00PM3.45m	9:43AM2.24m		10:29PM3.41m		11:06AM2.21m
Low Tide		6:33PM1.67m	8:13AM0.20m		7:46PM2.00m	8:56AM-0.03m		8:58PM2.21m	9:35AM-0.21m		10:01PM2.31m	10:12AM-0.34m		10:52PM2.35m	10:47AM-0.45m		11:35PM2.36m		11:21AM-0.51m	00:13AM2.32m		11:56AM-0.54m	00:51AM2.25m		12:30PM-0.52m	1:30AM2.14m		1:05PM-0.44m	2:11AM1.99m		1:40PM-0.28m	2:55AM1.78m		2:17PM-0.02m	3:41AM1.52m		2:56PM0.32m	4:29AM1.20m		3:39PM0.73m		5:18AM0.84m	4:26PM1.19m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	some clouds	some clouds	some clouds	clear	some clouds	cloudy	cloudy	light rain	rain shwrs	rain shwrs	rain shwrs	some clouds	some clouds	cloudy	cloudy	some clouds	cloudy	some clouds	cloudy	cloudy	cloudy	cloudy	light rain	light rain	rain shwrs	some clouds	some clouds	cloudy	light rain	rain shwrs	some clouds	light rain	some clouds	some clouds	rain shwrs	some clouds	light rain	rain shwrs	some clouds	clear	clear	clear	clear	clear	clear	clear	clear
km/h	N	SE	SSW	N	E	SSW	N	S	SSW	N	SE	N	NW	S	SSW	SE	S	S	S	S	S	SE	ESE	S	E	SE	NNW	NE	S	N	N	S	N	NW	S	SSW	S	SW	N	N	NNE	N	N	NE	N	N	ESE
mm	—	—	—	—	—	—	—	1	2	2	3	—	—	—	—	—	—	—	—	—	—	—	2	1	2	—	—	—	2	1	—	5	—	—	18	—	2	2	—	—	—	—	—	—	—	—	—
max °C	27	24	25	28	20	15	20	16	15	18	13	16	18	16	14	16	16	16	17	15	14	19	17	11	14	14	17	20	17	15	19	17	18	18	13	14	13	13	16	18	16	17	21	18	20	24	20
Moonrise	3:34	—	—	4:44	—	—	5:53	—	—	7:00	—	—	8:02	—	—	8:56	—	—	—	9:40	—	—	10:15	—	—	10:42	—	—	11:03	—	—	11:21	—	—	11:37	—	—	11:52	—	—	—	12:08	—	—	12:26	—	—
Moonset	—	—	1:35	—	—	1:55	—	—	2:20	—	—	2:53	—	—	3:34	—	—	4:26	—	—	5:27	—	—	6:34	—	—	7:44	—	—	8:55	—	—	10:06	—	—	11:17	—	—	12:29	—	—	1:44	—	—	—	3:03	—
	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:13	—	—	5:13	—	—	5:13	—	—	5:13	—	—	5:15	—	—	5:16	—	—	5:16	—	—	5:16	—	—	5:18	—	—	5:18	—	—	5:18	—	—	5:20	—	—
	—	9:12	—	—	9:12	—	—	9:12	—	—	9:12	—	—	9:12	—	—	9:12	—	—	9:12	—	—	9:10	—	—	9:10	—	—	9:10	—	—	9:10	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:08	—	—	9:08
	Today's sea temperature in Port Jefferson is 13.9° C (Statistics for 23 Jun 1981-2005 – mean: 13.0 max: 14.2 min: 11.6°C)