Fortress surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 am Tuesday 19 May 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
10.7° C
(Which is slightly cooler than normal)

How big are the waves at Fortress today?

The current surf forecast for Fortress at 3PM is: 1.3m 6s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a Southeast direction, 0.1m 13s secondary swell from a East direction (forecast issued at 07:00am May 19). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (19 May)4ft (1.2m)6s
Afternoon (19 May)4.5ft (1.3m)6s
Evening (19 May)5ft (1.5m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Wed night. Warm (max 25°C on Wed morning, min 11°C on Thu morning). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Thu night).

Tuesday
19
Wednesday
20
Thursday
21
Fri
22
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
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
S
6
1.3
S
6
1.1
SSW
6
1.2
SSW
6
1.5
SSW
6
1.5
SSW
6
1.5
SSW
7
1.5
SSW
7
1.5
SSW
7
1.3
SSW
7
1.1
SSW
7
1.2
SSW
6
1.5
SSW
6
1.3
SSW
6
1.1
S
7
1
S
7
0.8
S
6
0.8
S
6
0.7
S
6
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
94
118
92
112
150
167
181
195
195
141
111
110
161
129
107
86
52
51
39
28
28
27
27
20
Wind (km/h)
30
SW
25
SW
30
SW
30
SSW
40
SSW
35
SW
30
SW
35
SW
30
SW
25
SW
20
SW
30
SW
30
WSW
10
WNW
15
NW
25
NW
20
NNW
15
NNE
15
NE
15
SSE
15
SSE
15
SSE
15
S
5
WNW
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
glassy
High Tide
10:36AM0.82m
10:54PM1.04m
11:34AM0.81m
11:52PM0.97m
12:35PM0.80m
00:51AM0.89m
Low Tide
4:18AM-0.11m
4:02PM-0.06m
5:13AM-0.07m
4:58PM-0.00m
6:12AM-0.02m
6:01PM0.06m
clear
clear
clear
clear
clear
rain showers
clear
clear
part cloud
clear
clear
clear
rain showers
rain showers
mod rain
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:24
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:01
8:02
8:04
8:05
1
1
2
7
1
Temp °C
19
19
19
23
20
21
21
23
21
22
25
23
19
20
17
14
14
14
11
12
12
11
11
11
15
16
16
20
15
15
17
19
17
19
23
19
15
21
15
9
10
10
7
8
8
8
9
10
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
9
0.3
SE
10
0.6
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
1.3
SSW
6
1.1
S
7
1
S
7
0.8
S
6
0.8
S
6
0.7
S
6
0.6
S
6
0.6
S
6
0.6
S
6
0.6
S
6
0.5
S
6
Energy kJ
14
15
38
24
24
25
26
27
28
29
27
29
29
129
107
86
52
51
39
28
28
27
27
18
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
E
13
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.1
SE
15
0.1
SE
15
0.1
SE
15
0.1
SE
15
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
ESE
4
Energy kJ
7
7
7
3
10
10
10
10
10
9
9
8
8
29
29
29
29
20
20
21
20
20
20
3
Swell 3
Height (m)
Direction
Period (s)
0.1
S
16
0.1
SE
14
0.3
E
3
0.3
E
4
0.4
SE
9
Energy kJ
5
8
2
2
20
Wind waves
Height (m)
Direction
Period (s)
1.2
S
6
1.3
S
6
1.1
SSW
6
1.2
SSW
6
1.5
SSW
6
1.5
SSW
6
1.5
SSW
7
1.5
SSW
7
1.5
SSW
7
1.3
SSW
7
1.1
SSW
7
1.2
SSW
6
1.5
SSW
6
1.2
SW
6
0.3
N
2
0.3
NNE
3
0.3
NE
3
0.4
SE
3
0.4
ESE
3
0.5
E
4
Energy kJ
94
118
92
112
150
167
181
195
195
141
111
110
161
116
1
1
1
2
4
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
68
182
38
38
185
185
182
68
196
185
185
38
55
0
0
2
2
32
10
54
676
675
187
2
Best forecast wave conditions in Long Island New York
Rating
(10 max)
2
2
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
1
1
1
3
1
3
2
2
1
2
2
1
3
3
2
2
1
1
2
2
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
5
4
4
4
5
5
4
4
5
5
4
4
5
4
5
5
6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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