Gilgo surfForecast / Long Island NY / USA

information circle16 Day Weather and Surf, issued 1 am Saturday 02 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Gilgo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gilgo sea temperature is
10.7° C
(Which is 1.7°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Gilgo this week:

The surf forecast for Gilgo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 02) at 11AM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.6m and 4s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Gilgo in the next 16 days are 2.5m 8s and forecast to arrive on Thursday (May 07) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Thursday (May 07) at 11PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 2nd May)2ft (0.6m) 9s
Best Surf11AM (Sat 2nd May)2ft (0.6m) 9s
Most Powerful 5PM (Thu 7th May)8ft (2.5m) 8s

Table - best surf conditions forecast for Gilgo over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Mon night, min 7°C on Sun morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 25mm), heaviest during Thu night. Very mild (max 18°C on Tue afternoon, min 9°C on Thu night). Winds increasing (light winds from the S on Wed night, strong winds from the S by Thu afternoon).

Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.7
SSE
7
0.6
ESE
8
0.8
SSW
5
1.1
S
5
1.4
S
6
1.6
S
7
1.9
S
7
2.3
S
7
2
S
7
1.8
S
7
2
S
6
2.3
S
7
2.5
S
8
1.5
S
9
1
SSE
9
0.8
SSE
8
0.6
SSE
8
Wave Graph
Metric surfscale
Energy kJ
59
59
59
62
48
55
37
65
143
267
377
572
419
303
331
553
765
363
162
90
44
Wind (km/h)
10
WNW
5
WSW
20
N
25
NW
25
WNW
15
WSW
20
SW
25
SSW
25
SSW
25
SSW
35
SSW
40
SSW
35
SSW
30
SSW
25
S
40
S
50
S
50
WNW
40
W
25
W
20
WSW
cross-off
glassy
off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross
High Tide
8:23AM1.24m
8:38PM1.49m
9:02AM1.19m
9:14PM1.44m
9:42AM1.15m
9:51PM1.38m
10:25AM1.09m
10:30PM1.33m
11:10AM1.05m
11:13PM1.27m
11:57AM1.03m
00:00AM1.24m
12:46PM1.03m
00:50AM1.21m
Low Tide
2:21PM0.09m
3:01AM0.02m
2:57PM0.14m
3:38AM0.05m
3:32PM0.19m
4:16AM0.10m
4:06PM0.24m
4:54AM0.15m
4:41PM0.30m
5:34AM0.21m
5:20PM0.34m
6:21AM0.24m
6:11PM0.39m
cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
light rain
light rain
mod rain
light rain
rain showers
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
5:48
5:46
5:45
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:50
7:51
7:52
7:52
7:53
7:54
7:55
1
2
10
4
8
Temp °C
11
13
13
10
14
14
13
15
16
17
18
15
14
15
15
13
15
15
12
16
15
8
10
10
2
6
9
8
9
11
12
13
8
8
9
12
7
7
7
2
9
8
Swell 1
Height (m)
Direction
Period (s)
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.7
SSE
7
0.6
ESE
8
0.5
E
8
0.4
ESE
9
0.2
E
8
0.1
E
8
0.1
E
8
0.1
E
10
0.1
E
12
0.1
E
9
0.1
E
9
1.5
S
9
1
SSE
9
0.8
SSE
8
0.6
SSE
8
Energy kJ
59
59
59
62
48
55
37
25
6
1
1
2
3
2
2
363
162
90
44
Swell 2
Height (m)
Direction
Period (s)
0.6
S
4
0.4
S
4
0.2
S
4
0.4
SSE
7
0.5
ESE
9
0.4
SSE
8
0.3
SSE
7
0.3
ESE
7
0.1
E
8
0.2
ESE
9
Energy kJ
13
5
1
15
43
19
11
11
1
9
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.4
NNW
3
0.7
WNW
4
0.5
W
3
0.4
WSW
3
0.8
SSW
5
1.1
S
5
1.4
S
6
1.6
S
7
1.9
S
7
2.3
S
7
2
S
7
1.8
S
7
2
S
6
2.3
S
7
2.5
S
8
1
W
4
0.9
WSW
4
0.6
W
4
0.3
WNW
3
Energy kJ
2
11
6
4
25
65
143
267
377
572
419
303
331
553
765
39
28
10
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
0
0
46
46
39
59
56
159
1090
519
1391
53
53
1399
1205
1115
774
720
570
150
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
1
1
2
4
3
4
3
2
1
1
2
2
3
2
1
1
1
2
1
2
Header Global
Rating
(10 max)
5
4
4
4
4
4
5
4
5
5
5
4
5
6
6
5
4
7
6
7
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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Information about the Gilgo Surf forecast

The above surf forecast table for Gilgo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Gilgo can be found by selecting the local surf guide option on the grey menu. Our Gilgo surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Gilgo) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Gilgo may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Gilgo is 7 km (4 miles) from Copiague. If you plan a vacation in Long Island New York, look for hotels and other accommodation in Copiague. Copiague has rooms for a wide range of budgets as well as car hire and transport links.

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