Fortress Surf Forecast

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

USA (1297 breaks) / Lat Long: (41.02° N 71.96° W)

Surf Forecasts:

Fortress surfForecast / Long Island NY / USA

48hr Weather and Surf, issued 1 pm Sunday 19 Oct 2025 EDT

Forecast update in hr min s Forecast update imminent

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

Today's Fortress sea temperature is 17.7° C
(Which is 2.3°C warmer than normal for this time of year)

How big are the waves at Fortress today?

The current surf forecast for Fortress at 8PM is: 0.5m 10s primary swell from a East direction and 1.1m 5s secondary swell from a South direction (forecast issued at 01:00pm October 19). The wind direction is predicted to be cross-onshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (19 Oct)	2.5ft (0.7m)	11s
Afternoon (19 Oct)	2ft (0.6m)	11s
Evening (19 Oct)	4ft (1.2m)	5s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 19					Monday 20								Tuesday 21								Wednesday 22
	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)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	E	E	S	S	S	SSE	S	SSW	SSW	SSW	SSW	S	S	S	S	S	SSW	SSW	SSW	SSW	ESE	SSW	SSW
Period(s) (?)	11	11	10	5	5	6	6	7	7	7	7	7	8	8	7	7	7	7	5	5	5	11	6	6
Wave Graph (?)
kJ (?)	93	85	56	53	102	163	272	353	210	242	214	164	160	135	88	66	47	78	52	61	78	23	100	130
Wind (km/h)	S	SSE	SSE	SSE	SSE	SSE	SSE	WSW	WSW	WSW	W	WNW	W	W	W	W	WSW	SW	SSW	SSW	SSW	SW	SW	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- off	cross- off	cross- off	off	off	off	off	off	cross- off	cross- off	cross- off	cross	cross	cross	cross- off	cross- off	cross- on
High Tide / height (m)				7:29PM 0.80				7:46AM 0.94					8:01PM 0.78				8:19AM 0.94				8:29PM 0.77
Low Tide / height (m)		1:02PM 0.06				1:02AM 0.06				1:36PM 0.05				1:28AM 0.05					2:08PM 0.04			1:56AM 0.05

	Sunday 19					Monday 20								Tuesday 21								Wednesday 22
Sunrise	-	-	-	-	-	-	-	7:03	-	-	-	-	-	-	-	7:05	-	-	-	-	-	-	-	7:05
Sunset	-	-	6:00	-	-	-	-	-	-	-	6:00	-	-	-	-	-	-	-	5:58	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	8	2	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1
Temp. °C	15	16	17	17	18	18	19	17	15	15	15	15	14	13	13	12	13	15	15	16	16	17	14	15
Feels °C (?)	11	11	12	11	12	12	12	12	8	7	6	7	6	6	6	6	7	8	10	11	10	12	12	11

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 Fortress (light winds from the SSE at Montauk Airport 6 km from Fortress). 0.7m 4s local chop from the S with a 0.5m 11s groundswell from the ESE. 2 swells combining to make bigger set waves.
2 hours 9 minutes ago Fortress

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2 h 9 min ago

13 km/h

SSE

Cross-On

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