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Grand Blvd Surf Forecast
/ Long Island NY (34 breaks) / New York (44 breaks) /
Surf Forecasts:
Grand Blvd surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 1 pm Tuesday 16 Sep 2025 EDT
How big are the waves at Grand Blvd today?
The current surf forecast for Grand Blvd at 6PM is: 1.6m 8s primary swell from a East-southeast direction and 0.1m 8s secondary swell from a South direction (forecast issued at 01:00pm September 16). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 4.5ft (1.4m) | 8s |
| Afternoon (16 Sep) | 5ft (1.5m) | 8s |
| Evening (16 Sep) | 5ft (1.6m) | 8s |
Table - waves today at Grand Blvd. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 254 | 280 | 307 | 300 | 292 | 327 | 335 | 364 | 345 | 319 | 263 | 228 | 178 | 147 | 171 | 171 | 70 | 73 | 76 | 76 | 60 | 60 | 52 | 39 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- on | on | cross- on | cross | cross | cross |
High Tide / height (m) | 3:43PM 1.52 | 4:25AM 1.30 | 4:48PM 1.53 | 5:27AM 1.37 | 5:45PM 1.57 | 6:19AM 1.46 | ||||||||||||||||||
Low Tide / height (m) | 9:30AM 0.24 | 10:33PM 0.15 | 10:34AM 0.20 | 11:27PM 0.09 | 11:29AM 0.14 | 12:14AM 0.04 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 |
| Sunset | - | - | 7:01 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - |
 | | |  |  | | |  | | | |  | | | | |  |  | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | 2 | 1 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 21 | 21 | 20 | 19 | 19 | 19 | 18 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 20 | 22 | 23 | 23 | 22 | 22 | 21 | 21 |
| Feels °C (?) | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 15 | 16 | 17 | 16 | 19 | 20 | 18 | 18 | 20 | 24 | 24 | 22 | 21 | 21 | 20 | 20 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Long Island NY
The wind is still cross-off at Grand Blvd (moderate winds from the ENE at New York City/JFK Airport 9 km from Grand Blvd). A 1.8m swell from the ESE
2 h 22 min ago
FREE! Surf-Forecast.com widget for your website
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