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Surf Forecasts:

Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 pm Wednesday 11 Mar 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Coastguards surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coastguards sea temperature is
3.2° C
 (Which is 1.0°C colder than average for this time of year)

How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 1AM is: 1.9m 6s primary swell from a South direction and 0.2m 8s secondary swell from a East direction (forecast issued at 07:00pm March 11). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (12 Mar)5.5ft (1.7m)7s
Afternoon (12 Mar)3.5ft (1.1m)7s
Evening (12 Mar)3ft (0.9m)7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
11
Thursday
12
Friday
13
Saturday
14
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
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
See all maps
Wave Height (m) & direction (?)
1.5
S
1.8
S
2
S
1.9
S
1.8
S
1.7
S
1.3
S
1.1
S
1
S
0.9
SSE
0.8
SSE
0.8
SSE
0.7
SSE
0.7
S
0.6
S
1.1
SSW
2
SSW
2.4
SSW
2.5
SSW
2.3
SSW
1.8
S
1.5
S
1.3
S
1.1
S
Period(s) (?)666777777778888467888887
Wave
Graph
(?)Metric surfscale
Energy kJ (?)14822931831229728216812410691737562604941255512743654418284196134
Wind
(km/h)
30
SSW
30
SSW
35
SSW
25
SSW
20
SW
25
NW
35
NW
30
NW
25
WNW
30
NW
30
NW
30
WNW
25
WNW
15
W
20
SSW
30
S
40
SSW
40
SSW
40
SW
45
WSW
45
WSW
45
W
40
W
35
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononcross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		crosscrosscrossonononononcross-
on		cross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
2:15AM
1.11
2:49PM
0.91
3:15AM
1.11
3:53PM
0.94
4:17AM
1.16
Low Tide
/ height (m)
7:40PM
0.34
8:56AM
0.29
8:57PM
0.33
9:55AM
0.25
10:00PM
0.28
10:46AM
0.17
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunrise-----7:09-------7:07-------7:07--
Sunset6:54-------6:55-------6:57-------
cloud
part cloud
light rain
light rain
cloud
cloud
light rain
light rain
light snow
rain showers
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
clear
cloud
part cloud
clear
clear
Rain (mm)
--21--12-2--------------
Temp. °C10101191111421221101356795336
Feels °C (?)445476-5-6-6-7-7-7-7-6-5-6-5-3-2-2-7-8-8-4
  • 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 Coastguards 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 Coastguards at:
surf-forecast.com

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