Lostmarc'h 48 hour detailed Surf Forecast

Lat Long: 48.21° N 4.56° W

Issued: 1 pm 09 Jul 2026 (local time)

Forecast update in hr min

Today's Lostmarc'h sea temperature is

19.9° C

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

Surf Forecasts:

How big are the waves at Lostmarc'h today (09 Jul):

Morning surf: Morning surf (09 Jul, local time) - 3ft (0.9m), 10s period with WNW swell.
Afternoon surf: Afternoon surf (09 Jul, local time) - 3ft (0.9m), 10s period with WNW swell.
Evening surf: Evening surf (09 Jul, local time) - 2.5ft (0.7m), 9s period with WNW swell.

The current surf forecast for Lostmarc'h at 5PM is: 0.8m 9s primary swell from a West-northwest direction (forecast issued at 01:00pm July 09). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CEST) & Date	Wave Height	Wave Period
Morning (09 Jul)	3ft (0.9m)	10s
Afternoon (09 Jul)	3ft (0.9m)	10s
Evening (09 Jul)	2.5ft (0.7m)	9s

Table - waves today at Lostmarc'h. (Swell directed towards the surf break)

	Short Range Forecast Moderate rain (total 11mm), heaviest on Fri night. Warm (max 34°C on Sat afternoon, min 19°C on Sat night). Mainly strong winds.
	Thu 9					Friday 10								Saturday 11								Sun 12
	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)	1	0	0	0	0	0	0	1	1	0	0	0	1	0	0	0	1	1	0	0	0	1	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WNW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 9	WNW 9	W 8	WNW 11	WNW 11	WNW 10	WNW 10	WNW 10	WNW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 9
Wave Graph
kJ	132	132	118	88	113	129	163	149	158	143	106	79	71	81	103	92	111	109	98	71	65	46	53	31
Wind (km/h)	NE	WNW	NNW	NNE	NE	NE	NE	NE	E	WNW	NE	ENE	NE	NE	NNE	NE	ENE	ENE	NNE	NE	ENE	ENE	NE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	cross-on	cross-off	cross-off	cross-off	cross-off	cross-off	off	cross-off	cross-on	cross-off	off	off	cross-off	cross-off	cross-off	off	off	cross-off	off	off	off	off	cross-off
High Tide		12:25PM4.32m				00:57AM4.39m				1:39PM4.41m					2:14AM4.49m				2:50PM4.64m				3:24AM4.73m
Low Tide				6:42PM1.38m				7:19AM1.26m				7:56PM1.26m					8:31AM1.14m				9:08PM1.01m


	—	—	—	—	—	—	6:28	—	—	—	—	—	—	—	6:28	—	—	—	—	—	—	—	6:28	—
	—	—	—	10:19	—	—	—	—	—	—	—	10:17	—	—	—	—	—	—	—	10:16	—	—	—	10:16
mm	—	—	—	—	—	—	—	—	1	—	—	5	—	—	—	—	—	—	—	1	—	1	1	2
Temp °C	26	30	31	29	25	23	23	23	28	32	26	24	26	24	20	22	27	32	34	30	25	22	19	19
Feels °C	23	26	28	24	21	21	20	21	26	31	20	17	23	20	17	19	25	30	31	25	19	18	15	16
Swell 1 Height (m) Direction Period (s)	WNW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 9	WNW 9	W 8	W 8	WNW 11	WNW 10	WNW 10	WNW 10	WNW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 9
kJ	132	132	118	88	113	129	163	149	158	143	106	79	71	51	103	92	111	109	98	71	65	46	53	31
Swell 2 Height (m) Direction Period (s)	NW 4	—	—	—	—	—	—	W 15	W 14	NNE 4	NE 5	NNE 5	WNW 11	WNW 11	W 8	W 8	—	—	—	—	S 16	NNW 6	NNW 6	NNW 6
kJ	4	—	—	—	—	—	—	4	4	2	6	14	71	81	51	34	—	—	—	—	5	8	11	14
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	WNW 13	WNW 12	WNW 12	—	S 17	S 17	S 17	N 6	ESE 4	—	—	—	SW 16	W 8	W 9
kJ	—	—	—	—	—	—	—	—	—	18	30	56	—	6	6	6	1	2	—	—	—	10	6	6
Wind waves Height (m) Direction Period (s)	—	NNW 4	N 4	N 4	NNE 4	NE 3	NE 3	NE 3	ESE 5	—	—	—	NNE 5	NNE 3	NNE 4	NNE 4	NNE 4	NNE 6	NNE 6	NNE 5	NNE 7	NE 4	ENE 4	NE 4
kJ	—	5	10	20	11	6	5	4	4	—	—	—	18	7	8	9	12	42	75	50	66	24	28	25
Nearest Offshore or Glassy	Lostmarc'h Brittany - Finistere	Le Petit Minou Brittany - Finistere	Les Roches Blanches Brittany - Finistere	Audierne Brittany - Finistere	Pointe De Dinan Brittany - Finistere	Pointe De Dinan Brittany - Finistere	Pointe De Dinan Brittany - Finistere	Lostmarc'h Brittany - Finistere	Lostmarc'h Brittany - Finistere	Anse de Pen-Hat Brittany - Finistere	Treustel Brittany - Finistere	Locquirec Brittany - Finistere	Lostmarc'h Brittany - Finistere	Plage L'Aber Brittany - Finistere	Pointe De Dinan Brittany - Finistere	Pointe De Dinan Brittany - Finistere	Lostmarc'h Brittany - Finistere	Lostmarc'h Brittany - Finistere	Cap de la Chevre Brittany - Finistere	Tronoen Brittany - Finistere	Praa Sands Cornwall (South)	Lostmarc'h Brittany - Finistere	Polzeath Cornwall (North)	Plage de Gwendrez Brittany - Finistere
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	15	18	22	2	2	2	0	0	8	50	86	0	9	2	2	0	0	4	43	218	0	264	25
Best forecast wave conditions in Finistere - Brittany	Anse de Cabestan	Anse de Lesconil	Les Roches Blanches	Anse de Lesconil	Plage de Gwendrez	Anse de Lesconil	Anse de Cabestan	Anse de Cabestan	Pointe de Leyde	Anse de Cabestan	Anse de Lesconil	Locquirec	Anse de Cabestan	Anse de Cabestan	Anse de Cabestan	Anse de Cabestan	Anse de Cabestan	Anse de Cabestan	Pointe de Leyde	Tronoen		Lostmarc'h		Plage de Gwendrez
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1
Best forecast wave conditions in France	Hossegor - La Centrale Landes	Anse de Lesconil Brittany - Finistere	Les Roches Blanches Brittany - Finistere	Anse de Lesconil Brittany - Finistere	Biscarosse Plage Landes	Lacanau Ocean Gironde	Hourtin Plage Gironde	Hourtin Plage Gironde	Port Blanc Brittany - Morbihan	Le Rozel Normandy	Anse de Lesconil Brittany - Finistere	Biscarosse Plage Landes	Vanthrax La Cote Basque	Bidart La Cote Basque	Pointe du Couregan Brittany - Morbihan	Boucau Landes	Boucau Landes	Hossegor - La Centrale Landes	Pointe de Leyde Brittany - Finistere	Vardiolla Mediterranean - Corsica	Boucau Landes	Boucau Landes	Boucau Landes	Seignosse - Les Bourdaines Landes
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Header Global	Papatowai New Zealand	Trial Harbour Australia	Baler - Lindy's Point Philippines	Weld Road New Zealand	Boneyards South Africa	Barbel Point South Africa	Barbel Point South Africa	Barbel Point South Africa	Papatowai New Zealand	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Frigates Fiji	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Cow Bombie Australia	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Etang-Sale Reunion	Etang-Sale Reunion	Black Rocks Mauritius
Rating (10 max)	6	6	6	6	6	5	5	5	6	6	6	7	7	5	5	5	4	5	7	6	5	5	5	4

Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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Lostmarc'h 48 hour detailed Surf Forecast

How big are the waves at Lostmarc'h today (09 Jul):

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