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Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 6 am Wednesday 21 Jan 2026 ESTForecast 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
5.3° C
(Which is normal for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 10AM is: 0.4m 8s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South direction, 0.4m 3s secondary swell from a West-southwest direction (forecast issued at 06:00am January 21). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jan) | 1.5ft (0.4m) | 8s |
| Afternoon (21 Jan) | 4ft (1.2m) | 4s |
| Evening (21 Jan) | 7ft (2.1m) | 6s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 21 | Thursday 22 | Friday 23 | Sat 24 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 9 | 10 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 4 | 10 | 10 | 11 | 11 | 5 | 5 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 24 | 24 | 25 | 27 | 53 | 257 | 361 | 458 | 458 | 456 | 323 | 244 | 213 | 89 | 73 | 48 | 29 | 27 | 44 | 55 | 80 | 115 | 50 | 48 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:30AM 1.34 | 8:58PM 1.17 | 9:10AM 1.30 | 9:40PM 1.19 | 9:54AM 1.24 | 10:27PM 1.22 | ||||||||||||||||||
Low Tide / height (m) | 2:23AM -0.02 | 2:55PM -0.13 | 3:02AM -0.01 | 3:29PM -0.12 | 3:44AM 0.02 | 4:05PM -0.09 | ||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Sat 24 | |||||||||||||||||||||
| Sunrise | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:57 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:59 | - | - | - |
 | |  |  | |  | | | | |  | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -8 | -7 | -6 | -3 | 1 | 4 | 4 | 5 | 4 | 3 | 3 | 5 | 5 | 4 | 1 | -1 | -2 | -2 | -1 | 1 | 0 | -6 | -10 | -11 |
| Feels °C (?) | -15 | -13 | -12 | -11 | -9 | -5 | -5 | -5 | -5 | -5 | -5 | -3 | -3 | -4 | -8 | -10 | -10 | -10 | -10 | -9 | -11 | -18 | -21 | -22 |
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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.
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