Mahury Surf Forecast

/ French Guiana (5 surf breaks) /

French Guiana (5 surf breaks)

Surf Forecasts:

Mahury surfForecast / French Guiana / French Guiana

48hr Weather and Surf, issued 2 pm Thursday 18 Sep 2025 -03

Forecast 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 28.7° C
(Which is slightly warmer than usual)

How big are the waves at Mahury today?

The current surf forecast for Mahury at 7PM is: 0.5m 9s primary swell from a Northeast direction and 0.1m 14s secondary swell from a North direction, 0.9m 5s secondary swell from a East direction (forecast issued at 02:00pm September 18). The wind direction is predicted to be cross-onshore.

Time (-03) & Date	Wave Height	Wave Period
Morning (18 Sep)	-	-
Afternoon (18 Sep)	2ft (0.6m)	9s
Evening (18 Sep)	1.5ft (0.5m)	9s

Table - waves today at Mahury. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18				Friday 19								Saturday 20								Sunday 21
	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	E	NE	NE	NE	NNE	NNE	NNE	NE
Period(s) (?)	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	4	8	8	8	13	13	13	8
Wave Graph (?)
kJ (?)	52	67	52	41	41	40	40	39	39	26	19	18	18	17	12	13	17	13	16	18	18	17	17	17
Wind (km/h)	ESE	E	E	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	E	E	E	E	E	E	ENE	E	E	E	ESE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	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	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)		3:00PM 2.14					3:09AM 2.37				3:39PM 2.27				3:50AM 2.46				4:14PM 2.37				4:27AM 2.50
Low Tide / height (m)					9:06PM 0.55				9:36AM 0.30				9:46PM 0.40				10:10AM 0.24				10:21PM 0.29

	Thursday 18				Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:18
Sunset	-	-	6:27	-	-	-	-	-	-	-	6:25	-	-	-	-	-	-	-	6:25	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	-	-	-	-	-
Temp. °C	29	29	27	27	27	27	27	28	29	29	27	27	27	28	27	27	29	29	28	27	27	27	27	27
Feels °C (?)	29	29	27	27	28	28	28	29	30	30	29	29	30	30	29	29	31	31	31	30	30	30	29	29

Map Icons:
Break
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 French Guiana

Wind Update Still cross-shore at Mahury (strong winds from the SE at St Hilaire du Rorota 3 km from Mahury). 0.7m 11s groundswell from the NNE to make surfable waves.
36 minutes ago Mahury

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Actual: 36 min ago

41 km/h

Cross-Shore

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