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 09:04 PM.

	Days 1–4 Weather Summary Light rain (total 9mm), mostly falling on Sat afternoon. Cool air temperatures (max 17°C on Sun afternoon, min 6°C on Sat night). Wind will be generally light.											Days 5–7 Weather Summary Light rain (total 2mm), mostly falling on Tue afternoon. Cool air temperatures (max 18°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Warm (max 29°C on Sun afternoon, min 14°C on Fri night). Wind will be generally light.									Days 11–13 Weather Summary Some drizzle, heaviest during Tue afternoon. Warm (max 33°C on Mon afternoon, min 9°C on Wed night). Wind will be generally light.									Days 14–17 Weather Summary Mostly dry. Warm (max 24°C on Sat afternoon, min 10°C on Sat night). Wind will be generally light.
	Sat 6		Sunday 7			Monday 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
	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		11:01PM3.38m	9:48AM2.15m		11:33PM3.36m		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
Low Tide	3:30PM0.14m		5:22AM1.66m	4:16PM0.48m		6:14AM1.31m		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
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	risk tstorm	rain shwrs	some clouds	some clouds	some clouds	cloudy	cloudy	light rain	rain shwrs	light rain	rain shwrs	some clouds	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy	rain shwrs	cloudy	cloudy	cloudy	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	WNW	SSE	SSE	SE	ESE	SW	SSW	SSE	W	NE	E	SSE	N	E	N	N	NNE	N	N	NNE	N	N	NE	N	N	N	SSW	N	S	S	NE	SE	SE	N	SE	NE	N	NE	N	N	E	S	N	E	NE	N	SE
mm	5	1	—	—	—	—	—	2	1	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	13	12	12	17	16	16	17	13	16	11	10	15	16	15	15	18	17	17	21	20	20	25	21	25	29	24	29	33	22	19	17	14	13	17	14	16	19	17	17	21	17	20	24	17	18	22	16
Moonrise	—	—	1:15	—	—	1:31	—	—	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	—	—
Moonset	—	—	12:15	—	—	1:28	—	—	2:43	—	—	—	4:01	—	—	5:25	—	—	6:52	—	—	8:19	—	—	—	9:35	—	—	10:35	—	—	11:18	—	—	11:49	—	—	—	12:12	—	—	12:31	—	—	12:47	—	—
	—	—	5:11	—	—	5:11	—	—	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	—	—
	—	9:04	—	—	9:05	—	—	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
	Today's sea temperature in Port Jefferson is 12.6° C (Statistics for 06 Jun 1981-2005 – mean: 12.3 max: 14.2 min: 11.1°C)