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Dunes surfForecast / Puerto Rico / Puerto Rico
48hr Weather and Surf, issued 1 am Saturday 21 Mar 2026 ASTForecast update in hr min s Forecast update imminent
Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunes sea temperature is
26.8° C
(Which is slightly warmer than usual)How big are the waves at Dunes today?
The current surf forecast for Dunes at 6AM is: 1.2m 9s primary swell from a East-northeast direction and 0.3m 14s secondary swell from a North-northeast direction (forecast issued at 01:00am March 21). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 4ft (1.2m) | 9s |
| Afternoon (21 Mar) | 4ft (1.2m) | 9s |
| Evening (21 Mar) | 3.5ft (1.0m) | 9s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 266 | 266 | 227 | 227 | 227 | 232 | 232 | 232 | 181 | 177 | 177 | 151 | 202 | 499 | 388 | 289 | 311 | 283 | 457 | 260 | 219 | 212 | 212 | 207 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:11PM 0.59 | 10:08AM 0.42 | 11:03PM 0.60 | 10:50AM 0.38 | 11:58PM 0.60 | 11:36AM 0.35 | ||||||||||||||||||
Low Tide / height (m) | 4:36AM 0.15 | 4:06PM 0.05 | 5:35AM 0.16 | 4:49PM 0.03 | 6:38AM 0.18 | 5:37PM 0.03 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:38 | - |
 | | |  |  | |  |  |  | | | |  | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 1 | - | - | 1 | 3 | 4 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 23 | 24 | 28 | 29 | 28 | 25 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 25 | 25 | 25 | 25 | 24 |
| Feels °C (?) | 24 | 24 | 24 | 24 | 27 | 28 | 27 | 26 | 26 | 27 | 26 | 24 | 23 | 22 | 22 | 22 | 23 | 22 | 22 | 23 | 22 | 23 | 23 | 22 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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