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Surf Forecasts:
Mahury surfForecast / French Guiana / French Guiana
48hr Weather and Surf, issued 2 pm Thursday 21 May 2026 -03Forecast update in hr min s Forecast update imminent
Mahury surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahury sea temperature is
28.0° C
(Which is normal for this time of year)How big are the waves at Mahury today?
The current surf forecast for Mahury at 7PM is: 0.8m 8s primary swell from a Northeast direction (forecast issued at 02:00pm May 21). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 3ft (0.9m) | 8s |
| Evening (21 May) | 2.5ft (0.8m) | 8s |
Table - waves today at Mahury. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 135mm), heaviest during Sat morning. Warm (max 28°C on Thu afternoon, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | |
132 | 115 | 97 | 97 | 97 | 97 | 112 | 93 | 107 | 123 | 123 | 187 | 182 | 163 | 138 | 155 | 135 | 135 | 135 | 135 | 117 | 101 | 275 | 138 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | glassy | glassy | cross | glassy | glassy | glassy | glassy | |
High Tide | 9:16PM2.07m | 9:28AM2.24m | 10:22PM2.03m | 10:38AM2.13m | 11:27PM2.03m | |||||||||||||||||||
Low Tide | 2:49PM0.32m | 3:04AM0.67m | 3:53PM0.46m | 4:16AM0.73m | 5:02PM0.56m | 5:33AM0.73m | ||||||||||||||||||
 |  | |  | | | | |  | | | |  | |  |  | | |  |  |  |  |  |  | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — |
 | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | 6:36 |
— | — | — | 1 | 1 | 1 | 2 | — | 3 | 1 | 2 | 2 | 7 | 11 | 28 | 23 | 36 | 12 | 1 | — | 1 | — | 1 | — | |
Temp °C | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 24 |
30 | 30 | 30 | 30 | 30 | 29 | 28 | 30 | 29 | 30 | 29 | 28 | 28 | 27 | 26 | 27 | 25 | 27 | 28 | 27 | 28 | 28 | 27 | 28 | |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | — | — | — | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 12 |
 kJ | 132 | 115 | 97 | 97 | 97 | 97 | 112 | 93 | 107 | 123 | — | — | — | 163 | 138 | 155 | 135 | 135 | 135 | 135 | 117 | 101 | 120 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | N 15 | N 15 | N 14 | N 14 | N 13 | N 13 | NE 13 | NE 13 | NE 12 | NE 12 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 | 4 | 3 | 7 | 6 | 6 | 6 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 8 | — | — | — | — | — | — | — | NE 8 | NE 8 | NE 8 | NE 8 | — | — | — | — | — | — | — | — | — | NE 8 | NE 8 |
| kJ | — | 35 | — | — | — | — | — | — | — | 32 | 123 | 187 | 182 | — | — | — | — | — | — | — | — | — | 275 | 138 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1743 | 1717 | 1316 | 1316 | 1316 | 1660 | 1660 | 1177 | 1717 | 1342 | 1316 | 1316 | 1316 | 1372 | 0 | 0 | 1743 | 0 | 0 | 1316 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in French Guiana | ||||||||||||||||||||||||
Best forecast wave conditions in French Guiana | ||||||||||||||||||||||||
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