Sea weather in Saint-Jean-de-Monts in Vendée All the beach weather in Saint-Jean-de-Monts

All the essential weather information for enjoying the beach in Saint-Jean-de-Monts in Vendée, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Saint-Jean-de-Monts over the next 7 days?

Discover the best moment to go to the beach in Saint-Jean-de-Monts in Vendée this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Saint-Jean-de-Monts. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Monday 17 March 202540°F to 50°Fdiscouraged
Tuesday 18 March 202541°F to 52°Fdiscouraged
Wednesday 19 March 202549°F to 54°Fdiscouraged
Thursday 20 March 202550°F to 56°Fdiscouraged
Friday 21 March 202550°F to 54°Fdiscouraged
Saturday 22 March 202550°F to 54°Frecommended
Sunday 23 March 202550°F to 54°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Saint-Jean-de-Monts

Sea weather on Monday 17 March 2025

On Monday 17 March 2025, the sun will rise at 07:17 and will set at 19:17 on the beach(es) of Saint-Jean-de-Monts. The outside temperature will be a high of 50°F t and a low of 40°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 22.4mph km/h (with gusts up to 29.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (40°F)4°C (40°F)5°C (41°F)5°C (40°F)6°C (42°F)9°C (48°F)8°C (47°F)8°C (46°F)
Perceived temperature0°C (32°F)0°C (32°F)1°C (33°F)0°C (32°F)1°C (34°F)5°C (41°F)4°C (39°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity97%88%78%80%66%61%73%76%
Barometric pressure1021 hPa1021 hPa1021 hPa1022 hPa1021 hPa1019 hPa1018 hPa1018 hPa
Cloud cover85%84%90%0%0%5%29%0%
Heat index4°C (40°F)4°C (40°F)5°C (41°F)5°C (40°F)6°C (42°F)9°C (48°F)8°C (47°F)8°C (46°F)
Dew point4°C (39°F)3°C (37°F)2°C (35°F)2°C (35°F)-0°C (31°F)2°C (35°F)4°C (39°F)4°C (39°F)
Wind
Speed20km/h (13mph)22km/h (14mph)24km/h (15mph)26km/h (16mph)26km/h (16mph)27km/h (17mph)36km/h (22mph)32km/h (20mph)
Gusts26km/h (16mph)29km/h (18mph)34km/h (21mph)36km/h (23mph)29km/h (18mph)27km/h (17mph)37km/h (23mph)48km/h (30mph)
Direction 68°
ENE
76°
ENE
82°
E
83°
E
92°
E
89°
E
81°
E
91°
E
Wind chill0°C (32°F)0°C (32°F)1°C (33°F)0°C (32°F)1°C (34°F)5°C (41°F)4°C (39°F)3°C (38°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.4ft)0.5m (1.6ft)0.5m (1.7ft)0.5m (1.7ft)0.6m (1.8ft)0.6m (2.1ft)
Direction 250°
WSW
250°
WSW
253°
WSW
253°
WSW
253°
WSW
253°
WSW
108°
ESE
238°
WSW
Period10.3 sec.10.1 sec.9.8 sec.9.7 sec.9.6 sec.9.4 sec.9.2 sec.18.1 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)1.1m (3.6ft)
Sea water temperature
Water temperature10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)

Sea weather on Tuesday 18 March 2025

On Tuesday 18 March 2025, the sun will rise at 07:15 and will set at 19:19 on the beach(es) of Saint-Jean-de-Monts. The outside temperature will be a high of 52°F t and a low of 41°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 19.9mph km/h (with gusts up to 29.8mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)6°C (42°F)5°C (41°F)6°C (42°F)9°C (49°F)10°C (49°F)11°C (52°F)11°C (51°F)
Perceived temperature3°C (37°F)1°C (34°F)-0°C (32°F)1°C (33°F)6°C (43°F)7°C (44°F)9°C (47°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%82%84%82%68%68%73%79%
Barometric pressure1017 hPa1016 hPa1016 hPa1016 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover0%0%6%8%32%2%10%43%
Heat index7°C (45°F)6°C (42°F)5°C (41°F)6°C (42°F)9°C (49°F)10°C (49°F)11°C (52°F)11°C (51°F)
Dew point3°C (38°F)3°C (37°F)2°C (36°F)3°C (37°F)4°C (38°F)4°C (39°F)6°C (43°F)7°C (45°F)
Wind
Speed32km/h (20mph)30km/h (19mph)31km/h (19mph)29km/h (18mph)26km/h (16mph)22km/h (14mph)19km/h (12mph)21km/h (13mph)
Gusts48km/h (30mph)45km/h (28mph)44km/h (28mph)40km/h (25mph)38km/h (24mph)27km/h (17mph)23km/h (14mph)23km/h (15mph)
Direction 93°
E
89°
E
93°
E
101°
ESE
115°
ESE
129°
SE
121°
ESE
101°
ESE
Wind chill3°C (37°F)1°C (34°F)-0°C (32°F)1°C (33°F)6°C (43°F)7°C (44°F)9°C (47°F)8°C (46°F)
Waves
Height0.7m (2.2ft)0.8m (2.6ft)0.9m (3.0ft)1.0m (3.4ft)1.2m (3.9ft)1.2m (4.0ft)1.1m (3.5ft)0.9m (3.1ft)
Direction 237°
WSW
237°
WSW
238°
WSW
238°
WSW
237°
WSW
238°
WSW
240°
WSW
240°
WSW
Period18.3 sec.17.2 sec.15.9 sec.14.9 sec.14.1 sec.13.5 sec.12.8 sec.12.4 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.3m (4.3ft)1.5m (4.9ft)1.6m (5.2ft)1.5m (4.9ft)1.3m (4.3ft)1.2m (3.9ft)
Sea water temperature
Water temperature10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)

Sea weather on Wednesday 19 March 2025

On Wednesday 19 March 2025, the sun will rise at 07:13 and will set at 19:20 on the beach(es) of Saint-Jean-de-Monts. The outside temperature will be a high of 54°F t and a low of 49°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 23mph km/h (with gusts up to 31.7mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (49°F)9°C (48°F)10°C (50°F)12°C (53°F)12°C (53°F)12°C (54°F)11°C (52°F)
Perceived temperature7°C (45°F)6°C (42°F)5°C (41°F)6°C (43°F)8°C (47°F)9°C (49°F)9°C (48°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%85%88%86%80%78%80%82%
Barometric pressure1016 hPa1017 hPa1016 hPa1017 hPa1017 hPa1015 hPa1015 hPa1016 hPa
Cloud cover34%55%76%98%49%17%26%37%
Heat index11°C (51°F)10°C (49°F)9°C (48°F)10°C (50°F)12°C (53°F)12°C (53°F)12°C (54°F)11°C (52°F)
Dew point7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (48°F)8°C (47°F)
Wind
Speed31km/h (19mph)32km/h (20mph)32km/h (20mph)35km/h (22mph)33km/h (21mph)27km/h (17mph)33km/h (21mph)37km/h (23mph)
Gusts31km/h (19mph)48km/h (30mph)47km/h (29mph)51km/h (31mph)40km/h (25mph)28km/h (17mph)36km/h (22mph)43km/h (27mph)
Direction 134°
SE
131°
SE
127°
SE
129°
SE
135°
SE
130°
SE
114°
ESE
111°
ESE
Wind chill7°C (45°F)6°C (42°F)5°C (41°F)6°C (43°F)8°C (47°F)9°C (49°F)9°C (48°F)8°C (46°F)
Waves
Height1.0m (3.4ft)1.0m (3.4ft)1.2m (3.8ft)1.2m (4.1ft)1.4m (4.5ft)1.3m (4.2ft)1.1m (3.6ft)1.1m (3.8ft)
Direction 243°
WSW
243°
WSW
246°
WSW
247°
WSW
248°
WSW
248°
WSW
249°
WSW
249°
WSW
Period11.9 sec.11.6 sec.13.5 sec.13.0 sec.12.8 sec.12.6 sec.6.3 sec.12.5 sec.
Significant height1.4m (4.6ft)1.2m (3.9ft)1.2m (3.9ft)1.5m (4.9ft)1.6m (5.2ft)1.4m (4.6ft)1.1m (3.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Thursday 20 March 2025

On Thursday 20 March 2025, the sun will rise at 07:11 and will set at 19:21 on the beach(es) of Saint-Jean-de-Monts. The outside temperature will be a high of 56°F t and a low of 50°F. Precipitation is in the forecast (0.3in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 23mph km/h (with gusts up to 32.9mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (50°F)10°C (50°F)11°C (51°F)11°C (53°F)13°C (56°F)12°C (53°F)12°C (53°F)
Perceived temperature7°C (44°F)6°C (44°F)6°C (43°F)7°C (44°F)8°C (47°F)11°C (51°F)9°C (48°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0.1in0.1in
Humidity85%86%87%86%86%81%96%98%
Barometric pressure1015 hPa1013 hPa1012 hPa1012 hPa1011 hPa1008 hPa1006 hPa1006 hPa
Cloud cover41%12%16%63%100%100%98%100%
Heat index11°C (51°F)10°C (50°F)10°C (50°F)11°C (51°F)11°C (53°F)13°C (56°F)12°C (53°F)12°C (53°F)
Dew point8°C (47°F)8°C (46°F)8°C (46°F)8°C (47°F)9°C (48°F)10°C (50°F)11°C (52°F)11°C (52°F)
Wind
Speed36km/h (22mph)37km/h (23mph)36km/h (22mph)36km/h (23mph)35km/h (21mph)33km/h (21mph)31km/h (19mph)26km/h (16mph)
Gusts38km/h (24mph)41km/h (26mph)53km/h (33mph)53km/h (33mph)36km/h (23mph)40km/h (25mph)33km/h (21mph)30km/h (19mph)
Direction 116°
ESE
118°
ESE
117°
ESE
119°
ESE
113°
ESE
119°
ESE
130°
SE
118°
ESE
Wind chill7°C (44°F)6°C (44°F)6°C (43°F)7°C (44°F)8°C (47°F)11°C (51°F)9°C (48°F)9°C (48°F)
Waves
Height1.3m (4.2ft)1.3m (4.4ft)1.3m (4.3ft)1.3m (4.2ft)1.2m (4.1ft)1.0m (3.4ft)1.2m (4.0ft)1.7m (5.7ft)
Direction 247°
WSW
246°
WSW
248°
WSW
249°
WSW
249°
WSW
250°
WSW
250°
WSW
162°
SSE
Period12.2 sec.14.1 sec.13.4 sec.12.9 sec.12.5 sec.12.1 sec.11.8 sec.11.6 sec.
Significant height1.5m (4.9ft)1.5m (4.9ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.2m (3.9ft)1.7m (5.6ft)2.3m (7.5ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Friday 21 March 2025

On Friday 21 March 2025, the sun will rise at 07:09 and will set at 19:23 on the beach(es) of Saint-Jean-de-Monts. The outside temperature will be a high of 54°F t and a low of 50°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 19.9mph km/h (with gusts up to 29.8mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (53°F)11°C (52°F)11°C (52°F)11°C (52°F)12°C (53°F)11°C (52°F)11°C (51°F)
Perceived temperature8°C (47°F)8°C (47°F)9°C (48°F)10°C (50°F)10°C (50°F)11°C (52°F)11°C (51°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity95%88%87%88%83%80%78%81%
Barometric pressure1007 hPa1008 hPa1009 hPa1009 hPa1010 hPa1009 hPa1008 hPa1007 hPa
Cloud cover61%53%26%25%18%83%44%9%
Heat index11°C (52°F)11°C (53°F)11°C (52°F)11°C (52°F)11°C (52°F)12°C (53°F)11°C (52°F)11°C (51°F)
Dew point10°C (51°F)9°C (49°F)9°C (48°F)9°C (49°F)8°C (47°F)8°C (47°F)7°C (45°F)8°C (46°F)
Wind
Speed32km/h (20mph)31km/h (19mph)15km/h (10mph)11km/h (7mph)12km/h (7mph)8km/h (5mph)6km/h (4mph)14km/h (9mph)
Gusts34km/h (21mph)48km/h (30mph)24km/h (15mph)17km/h (10mph)19km/h (12mph)12km/h (8mph)11km/h (7mph)26km/h (16mph)
Direction 147°
SSE
266°
W
251°
WSW
242°
WSW
193°
SSW
170°
S
106°
ESE
72°
ENE
Wind chill8°C (47°F)8°C (47°F)9°C (48°F)10°C (50°F)10°C (50°F)11°C (52°F)11°C (51°F)9°C (48°F)
Waves
Height1.5m (4.9ft)1.7m (5.6ft)1.7m (5.5ft)1.7m (5.7ft)2.2m (7.3ft)2.5m (8.2ft)2.6m (8.5ft)2.7m (8.9ft)
Direction 174°
S
185°
S
184°
S
227°
SW
212°
SSW
210°
SSW
232°
SW
246°
WSW
Period11.4 sec.10.9 sec.11.5 sec.10.6 sec.10.4 sec.10.2 sec.9.9 sec.10.2 sec.
Significant height1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.2m (3.9ft)1.5m (4.9ft)1.6m (5.2ft)1.3m (4.3ft)0.9m (3ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)10°C (51°F)10°C (51°F)10°C (51°F)

Sea weather on Saturday 22 March 2025

On Saturday 22 March 2025, the sun will rise at 07:07 and will set at 19:24 on the beach(es) of Saint-Jean-de-Monts. The outside temperature will be a high of 54°F t and a low of 50°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 12.4mph km/h (with gusts up to 20.5mph). Wave height will be up to 10.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (49°F)10°C (50°F)11°C (51°F)12°C (53°F)12°C (53°F)11°C (52°F)11°C (51°F)
Perceived temperature7°C (45°F)7°C (45°F)7°C (45°F)8°C (47°F)10°C (49°F)10°C (50°F)10°C (49°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%89%88%88%86%84%85%87%
Barometric pressure1007 hPa1006 hPa1005 hPa1006 hPa1007 hPa1006 hPa1006 hPa1006 hPa
Cloud cover7%10%10%49%65%63%33%14%
Heat index10°C (50°F)10°C (49°F)10°C (50°F)11°C (51°F)12°C (53°F)12°C (53°F)11°C (52°F)11°C (51°F)
Dew point8°C (46°F)8°C (46°F)8°C (46°F)9°C (48°F)9°C (49°F)9°C (48°F)9°C (47°F)9°C (48°F)
Wind
Speed19km/h (12mph)19km/h (12mph)20km/h (12mph)19km/h (12mph)18km/h (11mph)14km/h (9mph)12km/h (7mph)8km/h (5mph)
Gusts27km/h (17mph)24km/h (15mph)33km/h (21mph)32km/h (20mph)30km/h (18mph)25km/h (15mph)22km/h (13mph)15km/h (10mph)
Direction 79°
E
94°
E
110°
ESE
124°
SE
156°
SSE
158°
SSE
147°
SSE
140°
SE
Wind chill7°C (45°F)7°C (45°F)7°C (45°F)8°C (47°F)10°C (49°F)10°C (50°F)10°C (49°F)10°C (50°F)
Waves
Height3.0m (9.8ft)3.1m (10.2ft)2.9m (9.5ft)2.8m (9.2ft)2.7m (8.9ft)2.7m (8.9ft)2.5m (8.2ft)2.3m (7.5ft)
Direction 247°
WSW
247°
WSW
248°
WSW
250°
WSW
252°
WSW
254°
WSW
255°
WSW
256°
WSW
Period10.8 sec.11.2 sec.11.0 sec.11.0 sec.11.1 sec.11.4 sec.11.3 sec.11.0 sec.
Significant height1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)

Sea weather on Sunday 23 March 2025

On Sunday 23 March 2025, the sun will rise at 07:05 and will set at 19:26 on the beach(es) of Saint-Jean-de-Monts. The outside temperature will be a high of 54°F t and a low of 50°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 22.4mph). Wave height will be up to 7.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (52°F)11°C (51°F)11°C (51°F)12°C (53°F)12°C (54°F)12°C (53°F)11°C (52°F)
Perceived temperature10°C (51°F)10°C (50°F)9°C (48°F)8°C (47°F)9°C (49°F)10°C (51°F)9°C (49°F)9°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%86%87%88%85%84%90%94%
Barometric pressure1006 hPa1005 hPa1005 hPa1005 hPa1004 hPa1004 hPa1004 hPa1006 hPa
Cloud cover12%68%99%100%100%100%100%100%
Heat index11°C (52°F)11°C (52°F)11°C (51°F)11°C (51°F)12°C (53°F)12°C (54°F)12°C (53°F)11°C (52°F)
Dew point9°C (48°F)9°C (48°F)9°C (47°F)9°C (47°F)9°C (48°F)10°C (49°F)10°C (50°F)10°C (51°F)
Wind
Speed6km/h (4mph)11km/h (7mph)15km/h (9mph)19km/h (12mph)21km/h (13mph)18km/h (11mph)19km/h (12mph)17km/h (11mph)
Gusts11km/h (7mph)19km/h (12mph)26km/h (16mph)33km/h (21mph)36km/h (23mph)33km/h (21mph)35km/h (22mph)28km/h (18mph)
Direction 163°
SSE
154°
SSE
127°
SE
100°
E
119°
ESE
146°
SE
151°
SSE
133°
SE
Wind chill10°C (51°F)10°C (50°F)9°C (48°F)8°C (47°F)9°C (49°F)10°C (51°F)9°C (49°F)9°C (49°F)
Waves
Height2.3m (7.5ft)2.3m (7.5ft)2.2m (7.2ft)2.0m (6.6ft)1.9m (6.2ft)1.8m (5.9ft)1.6m (5.2ft)1.6m (5.2ft)
Direction 256°
WSW
261°
W
264°
W
266°
W
267°
W
269°
W
272°
W
267°
W
Period13.7 sec.11.8 sec.9.5 sec.11.7 sec.12.5 sec.12.1 sec.11.8 sec.10.7 sec.
Significant height1.4m (4.6ft)1.0m (3.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)10°C (51°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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