Mongrels Surf Forecast

/ Landes (32 surf breaks) /

France (410 surf breaks) / Lat Long: (43.64° N 1.45° W)

Surf Forecasts:

Mongrels surfForecast / Landes / France

48hr Weather and Surf, issued 1 pm Thursday 18 Sep 2025 CEST

Forecast update in hr min s Forecast update imminent

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

Today's Mongrels sea temperature is 21.2° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Mongrels today?

The current surf forecast for Mongrels at 4PM is: 1.7m 12s primary swell from a West-northwest direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (CEST) & Date	Wave Height	Wave Period
Morning (18 Sep)	4.5ft (1.3m)	10s
Afternoon (18 Sep)	5.5ft (1.7m)	13s
Evening (18 Sep)	5ft (1.6m)	12s

Table - waves today at Mongrels. (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
	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	11 PM	2 AM	5 AM	8 AM
Rating (10 max)	3	3	3	3	3	0	1	2	2	2	2	2	0	1	0	1	1	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW
Period(s) (?)	13	13	12	12	12	11	11	11	11	11	10	10	10	10	10	10	10	9	9	9	9	9	8	8
Wave Graph (?)
kJ (?)	958	1044	905	811	713	591	452	444	436	308	214	223	218	214	214	245	201	144	108	82	82	141	226	232
Wind (km/h)	ESE	ENE	NE	ENE	ESE	SW	SW	SE	SE	SW	NNE	ESE	S	SSW	WNW	SE	SE	W	WNW	W	NNW	N	NW	NW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	off	cross- off	off	off	cross- on	cross- on	cross- off	cross- off	glass	cross- off	cross- off	cross	glass	on	cross- off	cross- off	on	cross- on	on	cross- on	cross	cross- on	cross- on
High Tide / height (m)			3:22PM 3.36				3:54AM 3.26				4:07PM 3.59				4:32AM 3.45				4:45PM 3.75					5:06AM 3.58
Low Tide / height (m)	8:56AM 0.91				9:31PM 0.60				9:43AM 0.66				10:12PM 0.39				10:22AM 0.44				10:48PM 0.23

	Thursday 18					Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	7:48	-	-	-	-	-	-	-	7:50	-	-	-	-	-	-	-	7:50
Sunset	-	-	-	8:10	-	-	-	-	-	-	-	8:08	-	-	-	-	-	-	-	8:07	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	-	1	5	4	1	1	3
Temp. °C	19	27	32	32	29	22	20	21	24	30	33	33	30	25	22	21	23	22	20	19	18	18	17	16
Feels °C (?)	19	26	30	29	26	22	20	22	24	30	32	32	29	26	23	22	24	21	18	19	18	17	16	15

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 Landes

Wind Update Offshore wind has become cross-off at Mongrels (fresh winds from the ESE at Seignosse 8 km from Mongrels). A 1.7m groundswell from the WNW
55 minutes ago Mongrels
Wind Update Offshore wind has become cross-off at Hossegor - La Graviere (fresh winds from the ESE at Seignosse 4 km from Hossegor - La Graviere). A 1.7m groundswell from the WNW
55 minutes ago Hossegor - La Graviere

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Actual: 55 min ago

33 km/h

ESE

Cross-Off

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