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Surf Forecasts:

Fortress surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 pm Sunday 15 Mar 2026 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
2.8° C
 (Which is 1.7°C colder than average for this time of year)

How big are the waves at Fortress today?

The current surf forecast for Fortress at 4PM is: 0.4m 6s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction, 0.6m 4s secondary swell from a Southeast direction (forecast issued at 01:00pm March 15). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (15 Mar)1.5ft (0.5m)7s
Afternoon (15 Mar)1.5ft (0.4m)6s
Evening (15 Mar)3ft (0.9m)4s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
6
2
1
2
2
1
2
1
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
S
0.4
SSW
0.6
SE
0.9
SE
1.1
SE
1.3
SE
1.9
SE
2.4
SSE
2.4
SSE
3
SSE
3
SSE
3.5
SSE
4
SSE
4.5
S
3
SSE
2.5
SSE
2.5
SSE
2.5
SSW
1.8
SSW
2.1
SSW
1.3
SE
1.3
SE
1.4
SSE
1.3
SSE
Period(s) (?)764455678891010101110101010101010109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)231310235592258540691114515922235286342212091145011781225653886362328370312
Wind
(km/h)
20
E
25
ESE
25
ESE
30
ESE
35
ESE
35
ESE
50
SE
50
SSE
45
S
50
S
50
S
65
S
70
S
35
WSW
40
WSW
45
W
40
W
40
W
35
WSW
40
WNW
35
NW
35
WNW
35
WNW
30
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		ononononononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		offoffcross-
off		offcross-
off		offoffoff
High Tide
/ height (m)
6:34PM
0.64
6:44AM
0.73
7:10PM
0.73
7:21AM
0.77
7:44PM
0.81
7:59AM
0.80
Low Tide
/ height (m)
12:03PM
0.05
12:02AM
0.09
12:37PM
-0.02
12:49AM
0.01
1:12PM
-0.08
1:34AM
-0.05
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise-------6:58-------6:56-------6:54
Sunset--6:53-------6:54-------6:55-----
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
clear
cloud
Rain (mm)
-------6252331----------
Temp. °C002479810111111111275302440-1-2-2
Feels °C (?)-6-7-5-4-11-21222-2-1-1-5-8-11-9-6-7-9-11-12-11
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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