Fortress surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 6 am Wednesday 31 Dec 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
5.6° C
(Which is 1.9°C colder than average for this time of year)


How big are the waves at Fortress today?

The current surf forecast for Fortress at 1PM is: 0.1m 12s primary swell from a East direction and 0.1m 9s secondary swell from a South direction (forecast issued at 06:00am December 31). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EST) & DateWave HeightWave Period
Morning (31 Dec)0.5ft (0.2m)12s
Afternoon (31 Dec)0.5ft (0.1m)11s
Evening (31 Dec)0.5ft (0.1m)12s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
31
Thursday
01
Friday
02
Sat
03
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
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
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.2
E
0.1
E
0.1
E
0.1
E
0.1
E
1.6
SSW
1.9
SW
1.7
SW
1.2
SSW
1
SSW
0.9
SSW
0.8
SSW
0.6
SSW
0.5
SSW
0.3
ESE
0.6
SSW
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.6
SSW
0.2
ESE
Period(s) (?)1212121211111267788888812712121212611
Wave
Graph
(?)Metric surfscale
Energy kJ (?)33113233196314303165116897148332829141413132212
Wind
(km/h)
45
W
40
W
35
W
30
WSW
30
WSW
30
WSW
40
SW
45
SW
45
WSW
45
WSW
40
NW
40
WNW
40
WNW
45
WNW
30
W
30
WSW
40
W
35
W
35
W
35
W
35
W
35
W
35
WNW
35
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffoffcross-
off
offoffoffoffoffoffoffoff
High Tide
/ height (m)
4:17AM
0.91
4:57PM
0.65
5:25AM
0.95
6:02PM
0.70
6:25AM
0.99
6:58PM
0.76
Low Tide
/ height (m)
10:58AM
-0.07
10:32PM
-0.08
11:53AM
-0.13
11:30PM
-0.12
12:44PM
-0.17
12:25AM
-0.15
Wednesday
31
Thursday
01
Friday
02
Sat
03
Sunrise--7:11-------7:11-------7:11-----
Sunset----4:28-------4:29-------4:30---
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light snow
cloud
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C-2-2-2-1002213-2-3-4-4-4-3-3-3-3-2-1-1-1-2
Feels °C (?)-14-13-12-10-9-9-8-9-10-8-13-14-16-16-14-12-14-13-13-12-11-11-11-12
  • 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.


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