Jetty Surf Forecast

/ Long Island NY (34 breaks) / New York (44 breaks) /

USA (1297 breaks) / Lat Long: (40.79° N 72.66° W)

Surf Forecasts:

Jetty surfForecast / Long Island NY / USA

48hr Weather and Surf, issued 1 pm Thursday 18 Sep 2025 EDT

Forecast update in hr min s Forecast update imminent

Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Jetty sea temperature is 20.8° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Jetty today?

The current surf forecast for Jetty at 8PM is: 0.9m 7s primary swell from a Southeast direction and 0.3m 2s secondary swell from a South-southwest direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-onshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (18 Sep)	3.5ft (1.0m)	7s
Afternoon (18 Sep)	2.5ft (0.8m)	7s
Evening (18 Sep)	2.5ft (0.8m)	7s

Table - waves today at Jetty. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18					Friday 19								Saturday 20								Sunday 21
	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM
Rating (10 max)	1	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	SE	ESE	ESE	SE	SE	ENE	E	E	E	ESE	ESE	ESE	ESE	ESE
Period(s) (?)	7	7	7	7	8	8	8	7	7	7	10	7	7	9	9	5	6	6	6	6	6	6	6	6
Wave Graph (?)
kJ (?)	93	84	77	79	57	57	50	37	30	28	19	16	16	13	13	25	59	62	66	57	55	67	62	66
Wind (km/h)	NNW	SSW	SSW	SW	SW	WNW	NNW	NW	NNW	WSW	SSW	SW	NNE	NNE	NE	NE	ENE	E	E	ESE	ESE	ESE	E	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	cross- on	cross- on	cross- on	cross	cross- off	off	off	off	glass	cross- on	glass	cross- off	cross- off	cross- off	cross- off	cross	cross	cross- on	cross- on	cross- on	cross- on	cross	cross
High Tide / height (m)				5:55PM 1.08				6:22AM 0.99				6:41PM 1.09				7:05AM 1.04				7:25PM 1.09				7:46AM 1.08
Low Tide / height (m)		11:32AM 0.20				12:29AM 0.15				12:28PM 0.16				1:05AM 0.12				1:10PM 0.12				1:32AM 0.10

	Thursday 18					Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	6:33	-	-	-	-	-	-	-	6:35	-	-	-	-	-	-	-	6:35
Sunset	-	-	6:54	-	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:52	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	19	21	21	21	21	21	21	21	23	25	25	24	22	18	17	16	18	18	18	17	17	17	16	16
Feels °C (?)	19	21	19	19	20	22	19	20	22	25	25	25	19	13	12	11	14	13	14	13	13	14	13	12

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Long Island NY

Wind Update The wind is still cross-on at Jetty (light winds from the SSW at Westhampton Beach/Francis S. Gabreski Airport 8 km from Jetty). 0.8m 7s swell from the ESE with a 0.2m 5s windswell from the SSW. 2 swells combining to make bigger set waves.
1 hour 52 minutes ago Jetty

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1 h 52 min ago

11 km/h

SSW

Cross-On

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