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Surf Forecasts:

Fortress surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 pm Thursday 20 Nov 2025 EST
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
12.7° C
 (Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Fortress today?

The current surf forecast for Fortress at 12AM is: 0.3m 6s primary swell from a South direction and 0.1m 7s secondary swell from a Southeast direction (forecast issued at 06:00pm November 20). The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (21 Nov)1ft (0.3m)6s
Afternoon (21 Nov)0.5ft (0.2m)5s
Evening (21 Nov)2ft (0.6m)5s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
20
Friday
21
Saturday
22
Sunday
23
4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM
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
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
S
0.3
S
0.3
S
0.3
S
0.2
ESE
0.2
S
0.3
SSW
0.1
E
0.2
E
0.2
E
0.6
SSW
0.5
S
0.3
E
0.3
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
S
0.4
SSW
0.4
SSW
0.5
S
0.5
S
0.5
S
Period(s) (?)666676675655766677776777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)137775361231711107333341514272725
Wind
(km/h)
5
NNW
0
NNW
5
WSW
5
WNW
5
WSW
10
SW
20
SW
25
SW
30
WSW
25
SW
20
WSW
15
WSW
15
NW
20
NNE
20
NNE
15
NW
25
NNW
30
NNW
25
NNW
25
NNW
20
NNW
10
NNW
10
WNW
15
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoff
High Tide
/ height (m)
7:34PM
0.68
7:54AM
0.86
8:06PM
0.67
8:23AM
0.84
8:41PM
0.66
8:54AM
0.81
Low Tide
/ height (m)
1:20PM
0.04
12:59AM
0.06
1:55PM
0.04
1:36AM
0.07
2:31PM
0.05
2:14AM
0.09
Thursday
20
Friday
21
Saturday
22
Sunday
23
Sunrise-----6:41-------6:43-------6:43--
Sunset4:24-------4:23-------4:23-------
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
part cloud
clear
clear
clear
clear
part cloud
clear
cloud
Rain (mm)
------------2321--------
Temp. °C556667910101011109889108654345
Feels °C (?)223323444577633540-1-2-2-10-1
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Fortress surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Fortress at:
surf-forecast.com

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