Cupecoy Surf Forecast

/ Saint Martin (9 surf breaks) /

Netherlands Antilles (9 surf breaks)

Surf Forecasts:

Cupecoy surfForecast / Saint Martin / Netherlands Antilles

48hr Weather and Surf, issued 1 am Sunday 14 Sep 2025 AST

Forecast update in hr min s Forecast update imminent

Cupecoy surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Cupecoy sea temperature is 29.9° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Cupecoy today?

The current surf forecast for Cupecoy at 8AM is: 0.2m 10s primary swell from a North-northeast direction (forecast issued at 01:00am September 14). An open ocean swell of 0.6m 9s is not directed at the surf break, a second open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AST) & Date	Wave Height	Wave Period
Morning (14 Sep)	0.5ft (0.2m)	10s
Afternoon (14 Sep)	0.5ft (0.2m)	10s
Evening (14 Sep)	0.5ft (0.2m)	10s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Sunday 14								Monday 15								Tuesday 16
	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)	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 (?)	NNE	NNE	NNE	NNE	NNE	NNE	NE	NNE	NE	NE	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	N	N	N
Period(s) (?)	11	11	11	10	10	10	9	10	10	10	8	8	8	8	8	8	8	8	8	7	7	9	8	8
Wave Graph (?)
kJ (?)	12	11	11	11	11	10	59	10	4	4	7	7	7	7	6	6	6	6	6	5	5	6	6	12
Wind (km/h)	E	E	ESE	ESE	ESE	ESE	E	E	E	E	E	E	E	E	E	E	E	ENE	ENE	E	E	E	E	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)							2:34PM 0.36								3:38PM 0.36								4:39PM 0.35
Low Tide / height (m)				6:04AM 0.01								7:06AM 0.02									8:15AM 0.03

		Sunday 14								Monday 15								Tuesday 16
Sunrise	-	-	-	6:00	-	-	-	-	-	-	-	6:00	-	-	-	-	-	-	-	6:00	-	-	-	-
Sunset	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:14	-

Rain (mm)	-	1	1	-	-	-	-	-	-	1	1	-	1	1	1	-	1	-	1	1	1	1	1	-
Temp. °C	28	28	28	28	28	28	28	28	28	28	28	29	29	29	28	28	28	28	28	28	28	28	28	28
Feels °C (?)	28	27	26	27	27	27	27	27	28	27	27	29	29	30	28	28	28	28	28	27	28	29	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 Saint Martin

Wind Update The wind is still cross-off at Cupecoy (light winds from the E at St Maarten Juliana Airport 2 km from Cupecoy). 0.3m 9s swell from the N with a 0.2m 8s swell from the NE and a 0.1m 7s swell from the NNW. 3 swells combining to make bigger set waves.
2 hours 30 minutes ago Cupecoy

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2 h 30 min ago

17 km/h

Cross-Off

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