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Surf Forecasts:
Mahury surfForecast / French Guiana / French Guiana
48hr Weather and Surf, issued 8 am Wednesday 20 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 4PM is: 1.2m 9s primary swell from a Northeast direction (forecast issued at 08:00am May 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 4.5ft (1.3m) | 9s |
| Afternoon (20 May) | 3.5ft (1.1m) | 9s |
| Evening (20 May) | 3.5ft (1.1m) | 9s |
Table - waves today at Mahury. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 29mm), heaviest during Wed morning. Warm (max 28°C on Thu morning, min 22°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | 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 | |
225 | 246 | 240 | 190 | 215 | 186 | 160 | 156 | 156 | 153 | 153 | 297 | 153 | 273 | 132 | 129 | 112 | 126 | 398 | 161 | 142 | 142 | 142 | 123 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:22AM2.53m | 8:13PM2.16m | 8:22AM2.38m | 9:16PM2.07m | 9:28AM2.24m | 10:22PM2.03m | ||||||||||||||||||
Low Tide | 1:50PM0.17m | 2:00AM0.57m | 2:49PM0.32m | 3:04AM0.67m | 3:53PM0.46m | |||||||||||||||||||
 |  | |  | |  | |  | |  |  | | | |  | | |  | | | | | | | |
 | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | 6:13 |
 | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | 6:36 |
9 | 6 | 6 | 3 | 1 | — | — | — | — | — | 1 | — | — | — | 2 | 2 | — | — | 3 | 1 | — | — | 1 | 2 | |
Temp °C | 24 | 25 | 24 | 22 | 23 | 24 | 25 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 26 | 25 |
28 | 29 | 26 | 24 | 25 | 27 | 29 | 29 | 29 | 30 | 31 | 30 | 30 | 30 | 30 | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 28 | |
Swell 1 Height (m) Direction Period (s) | NE 9 | — | NE 9 | NE 9 | NE 9 | NE 9 | 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 |
 kJ | 225 | — | 240 | 190 | 215 | 186 | 160 | 156 | — | — | — | 297 | 153 | 132 | 132 | 129 | 112 | 126 | 398 | 161 | 142 | 142 | 142 | 123 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 9 | — | — | — | — | — | — | NE 8 | NE 8 | NE 8 | NE 8 | — | NE 8 | — | — | — | NE 8 | NE 8 | — | — | — | — | — |
| kJ | — | 246 | — | — | — | — | — | — | 156 | 153 | 153 | 153 | — | 273 | — | — | — | 33 | 165 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1203 | 1372 | 1281 | 0 | 1316 | 1316 | 1203 | 1194 | 1194 | 1194 | 1281 | 1717 | 1316 | 1316 | 1660 | 1372 | 1316 | 1660 | 1717 | 1316 | 1316 | 1316 | 1372 | 1194 |
Best forecast wave conditions in French Guiana | ||||||||||||||||||||||||
Best forecast wave conditions in French Guiana | ||||||||||||||||||||||||
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