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Surf Forecasts:

Fortress surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 pm Saturday 17 Jan 2026 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
4.6° C
 (Which is 1.6°C colder than average for this time of year)

How big are the waves at Fortress today?

The current surf forecast for Fortress at 11PM is: 1.3m 8s primary swell from a South direction (forecast issued at 06:00pm January 17). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (17 Jan)--
Afternoon (17 Jan)4ft (1.2m)7s
Evening (17 Jan)4.5ft (1.3m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
Tuesday
20
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
1
2
2
1
0
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
SSW
1.4
SSW
1.3
S
1.3
S
1.3
S
1.2
S
1.2
S
1.1
S
1
S
1
SSE
0.9
SSE
0.8
SSE
0.7
S
0.7
S
0.7
S
0.9
SSE
1.7
SW
2
SSW
2
SW
1.3
SSW
1
S
0.9
SSW
0.7
SSW
0.4
SE
Period(s) (?)777888888887777968888889
Wave
Graph
(?)Metric surfscale
Energy kJ (?)24818117222423920019516112712399715051511482335275272461401096829
Wind
(km/h)
30
W
30
W
20
WNW
10
SW
5
W
5
SSE
10
SSE
5
ESE
15
NE
20
NE
15
NNW
15
NW
25
WNW
35
W
40
W
45
WSW
45
WSW
45
WSW
50
W
45
W
35
W
35
W
35
W
40
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offcross-
off		cross-
off		cross-
on		cross-
on		glasscross-
on		crosscross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		off
High Tide
/ height (m)
7:15PM
0.61
7:24AM
0.78
7:51PM
0.65
7:54AM
0.79
8:23PM
0.68
8:25AM
0.79
Low Tide
/ height (m)
12:24AM
0.03
1:21PM
-0.05
1:06AM
0.01
1:54PM
-0.08
1:48AM
-0.01
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise------7:09-------7:07-------7:07-
Sunset4:45-------4:46-------4:47-------
cloud
light rain
clear
cloud
cloud
light rain
light snow
light rain
light rain
light snow
light snow
light snow
cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
Rain (mm)
-1---1-11---------------
Temp. °C321232133101-1-2-2-101-1-3-4-5-5-5
Feels °C (?)-5-6-5-2-1-1-31-2-5-5-4-8-12-12-13-12-10-14-15-14-15-15-16
  • 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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