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Surf Forecasts:
Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 7 pm Tuesday 19 May 2026 EDTForecast 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
13.4° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 1AM is: 1.6m 6s primary swell from a South-southwest direction and 0.6m 8s secondary swell from a Southeast direction, 0.1m 16s secondary swell from a Southeast direction (forecast issued at 07:00pm May 19). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 4ft (1.2m) | 6s |
| Afternoon (20 May) | 4.5ft (1.3m) | 6s |
| Evening (20 May) | 5ft (1.5m) | 6s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Wed night. Warm (max 29°C on Wed morning, min 11°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 6 | S 6 | S 7 | SSW 6 | SSW 6 | S 6 | S 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | SE 8 | ESE 5 | |
184 | 259 | 284 | 218 | 170 | 139 | 123 | 147 | 171 | 130 | 95 | 79 | 63 | 48 | 50 | 38 | 28 | 27 | 26 | 26 | 25 | 27 | 21 | 44 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | cross-on | on | on | cross-off | cross | off | off | off | off | cross-off | cross | cross | cross | cross-off | off | cross-off | cross-off | cross | |
High Tide | 10:17PM1.62m | 11:05AM1.30m | 11:17PM1.53m | 12:06PM1.29m | 00:17AM1.45m | 1:05PM1.29m | ||||||||||||||||||
Low Tide | 3:56PM-0.02m | 4:50AM-0.11m | 4:50PM0.05m | 5:45AM-0.04m | 5:49PM0.13m | 6:44AM0.02m | ||||||||||||||||||
 |  |  |  | | | | |  |  |  | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — |
 | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | 8:08 |
— | — | — | — | — | — | — | — | 1 | 5 | 2 | 1 | 1 | — | 4 | 4 | 1 | — | — | — | — | — | — | — | |
Temp °C | 23 | 25 | 27 | 25 | 23 | 24 | 29 | 29 | 26 | 21 | 19 | 15 | 14 | 13 | 12 | 11 | 11 | 12 | 12 | 12 | 11 | 11 | 13 | 14 |
19 | 23 | 25 | 24 | 22 | 23 | 27 | 26 | 24 | 21 | 19 | 13 | 11 | 9 | 10 | 8 | 9 | 11 | 11 | 10 | 8 | 6 | 8 | 10 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 14 | SE 13 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | E 5 | E 5 | SE 8 | SE 9 | SE 8 | SE 13 |
 kJ | 24 | 7 | 7 | 44 | 35 | 27 | 27 | 29 | 29 | 130 | 95 | 79 | 63 | 48 | 50 | 38 | 28 | 27 | 13 | 20 | 25 | 27 | 21 | 7 |
Swell 2 Height (m) Direction Period (s) | SE 13 | E 16 | SE 16 | SE 16 | SE 16 | SE 15 | SE 15 | SE 12 | SE 12 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 6 | S 6 | S 6 | SSE 6 | S 6 | SE 13 |
| kJ | 7 | 5 | 10 | 10 | 10 | 9 | 9 | 6 | 6 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 19 | 18 | 11 | 12 | 3 | 7 |
Swell 3 Height (m) Direction Period (s) | — | SE 13 | — | — | — | E 12 | E 12 | SE 15 | SE 15 | SE 12 | SE 12 | SE 15 | — | SE 14 | SE 15 | SE 15 | SE 14 | SE 14 | SE 9 | SE 9 | SE 14 | SE 14 | SE 13 | — |
| kJ | — | 7 | — | — | — | 3 | 3 | 9 | 9 | 6 | 6 | 8 | — | 8 | 8 | 8 | 8 | 8 | 26 | 26 | 7 | 7 | 7 | — |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | S 7 | SSW 6 | SSW 6 | S 6 | S 6 | SSW 6 | S 6 | — | — | — | NNW 3 | — | NE 3 | ENE 4 | E 4 | E 5 | — | — | E 6 | E 4 | ESE 5 | ESE 5 |
| kJ | 184 | 259 | 284 | 218 | 170 | 139 | 123 | 147 | 171 | — | — | — | 2 | — | 3 | 10 | 9 | 10 | — | — | 21 | 20 | 37 | 44 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 60 | 45 | 59 | 59 | 65 | 62 | 62 | 62 | 45 | 6 | 2 | 0 | 0 | 0 | 0 | 28 | 797 | 578 | 25 | 0 | 617 | 625 | 636 | 589 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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