Sea weather in Marsh Island in Louisiana All the beach weather in Marsh Island

All the essential weather information for enjoying the beach in Marsh Island in Louisiana, 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 Marsh Island over the next 7 days?

Discover the best moment to go to the beach in Marsh Island in Louisiana this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Marsh Island. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 4 December 202552°F to 63°Fdiscouraged
Friday 5 December 202550°F to 54°Fdiscouraged
Saturday 6 December 202556°F to 61°Frecommended
Sunday 7 December 202559°F to 68°Fdiscouraged
Monday 8 December 202545°F to 58°Fdiscouraged
Tuesday 9 December 202547°F to 58°Frecommended
Wednesday 10 December 202559°F to 68°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Marsh Island

Sea weather on Thursday 4 December 2025

On Thursday 4 December 2025, the sun will rise at 06:47 and will set at 17:07 on the beach(es) of Marsh Island. The outside temperature will be a high of 63°F t and a low of 52°F. Precipitation is in the forecast (0.5in 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 16.8mph km/h (with gusts up to 25.5mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (62°F)17°C (62°F)15°C (58°F)14°C (57°F)15°C (58°F)13°C (56°F)12°C (54°F)
Perceived temperature16°C (61°F)16°C (62°F)17°C (62°F)13°C (55°F)12°C (54°F)13°C (56°F)11°C (53°F)9°C (49°F)
Precipitation0in0in0in0in0in0.4in0in0in
Humidity81%88%93%97%97%97%96%97%
Barometric pressure1018 hPa1017 hPa1016 hPa1018 hPa1016 hPa1014 hPa1017 hPa1018 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index16°C (61°F)16°C (62°F)17°C (62°F)15°C (58°F)14°C (57°F)15°C (58°F)13°C (56°F)12°C (54°F)
Dew point13°C (55°F)14°C (58°F)15°C (60°F)14°C (58°F)14°C (56°F)14°C (57°F)13°C (55°F)12°C (53°F)
Wind
Speed23km/h (14mph)25km/h (15mph)23km/h (14mph)25km/h (16mph)27km/h (17mph)18km/h (11mph)23km/h (14mph)27km/h (17mph)
Gusts33km/h (20mph)36km/h (22mph)33km/h (21mph)41km/h (26mph)39km/h (24mph)28km/h (18mph)34km/h (21mph)37km/h (23mph)
Direction 94°
E
101°
ESE
94°
E
43°
NE
66°
ENE
89°
E

N

N
Wind chill16°C (61°F)16°C (62°F)17°C (62°F)13°C (55°F)12°C (54°F)13°C (56°F)11°C (53°F)9°C (49°F)
Waves
Height0.4m (1.2ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.8ft)0.4m (1.2ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 112°
ESE
119°
ESE
110°
ESE
81°
E
60°
ENE
72°
ENE
49°
NE
44°
NE
Period0.1 sec.0.1 sec.0.1 sec.3.8 sec.4.1 sec.5.1 sec.5.3 sec.5.2 sec.
Significant height0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.6m (2ft)1.0m (3.3ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:48 and will set at 17:07 on the beach(es) of Marsh Island. 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 18.6mph km/h (with gusts up to 23.6mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (51°F)10°C (50°F)10°C (50°F)10°C (51°F)10°C (51°F)10°C (51°F)11°C (53°F)
Perceived temperature7°C (45°F)7°C (45°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (46°F)9°C (48°F)10°C (49°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity97%94%93%90%86%90%93%94%
Barometric pressure1019 hPa1017 hPa1018 hPa1020 hPa1019 hPa1016 hPa1017 hPa1017 hPa
Cloud cover100%100%100%61%100%66%100%93%
Heat index11°C (51°F)10°C (51°F)10°C (50°F)10°C (50°F)10°C (51°F)10°C (51°F)10°C (51°F)11°C (53°F)
Dew point10°C (50°F)10°C (49°F)9°C (48°F)8°C (47°F)8°C (46°F)9°C (48°F)9°C (49°F)10°C (51°F)
Wind
Speed30km/h (19mph)25km/h (15mph)27km/h (17mph)24km/h (15mph)19km/h (12mph)18km/h (11mph)12km/h (8mph)14km/h (9mph)
Gusts38km/h (24mph)31km/h (19mph)33km/h (21mph)29km/h (18mph)25km/h (16mph)26km/h (16mph)18km/h (11mph)20km/h (12mph)
Direction 354°
N

N
360°
N

N

N
35°
NE
23°
NNE
56°
ENE
Wind chill7°C (45°F)7°C (45°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (46°F)9°C (48°F)10°C (49°F)
Waves
Height0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)0.2m (0.7ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.8ft)
Direction 13°
NNE
352°
N
354°
N
353°
N
15°
NNE
13°
NNE
29°
NNE
34°
NNE
Period5.2 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.
Significant height0.9m (3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:49 and will set at 17:08 on the beach(es) of Marsh Island. The outside temperature will be a high of 61°F t and a low of 56°F. Precipitation is in the forecast (0.2in 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 11.2mph km/h (with gusts up to 15.5mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)13°C (56°F)13°C (56°F)13°C (56°F)14°C (58°F)15°C (58°F)16°C (60°F)
Perceived temperature13°C (55°F)12°C (54°F)13°C (55°F)12°C (53°F)13°C (55°F)13°C (56°F)14°C (57°F)16°C (60°F)
Precipitation0in0in0.2in0in0in0in0in0in
Humidity92%92%93%95%95%92%90%90%
Barometric pressure1016 hPa1015 hPa1015 hPa1017 hPa1015 hPa1012 hPa1013 hPa1014 hPa
Cloud cover100%100%100%100%99%71%52%95%
Heat index13°C (55°F)13°C (55°F)13°C (56°F)13°C (56°F)13°C (56°F)14°C (58°F)15°C (58°F)16°C (60°F)
Dew point11°C (52°F)12°C (53°F)12°C (54°F)12°C (54°F)13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)
Wind
Speed5km/h (3mph)9km/h (6mph)8km/h (5mph)18km/h (11mph)10km/h (6mph)13km/h (8mph)11km/h (7mph)9km/h (5mph)
Gusts7km/h (4mph)12km/h (8mph)12km/h (7mph)25km/h (16mph)15km/h (9mph)19km/h (12mph)17km/h (11mph)13km/h (8mph)
Direction 79°
ENE
65°
ENE

N
10°
N
65°
ENE
37°
NE
103°
ESE
88°
E
Wind chill13°C (55°F)12°C (54°F)13°C (55°F)12°C (53°F)13°C (55°F)13°C (56°F)14°C (57°F)16°C (60°F)
Waves
Height0.2m (0.5ft)0.2m (0.7ft)0.2m (0.5ft)0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.2m (0.6ft)0.2m (0.7ft)
Direction 36°
NE
68°
ENE
64°
ENE
57°
ENE
49°
NE
63°
ENE
88°
E
117°
ESE
Period5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:49 and will set at 17:08 on the beach(es) of Marsh Island. The outside temperature will be a high of 68°F t and a low of 59°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 19.3mph km/h (with gusts up to 28mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)19°C (65°F)20°C (67°F)19°C (65°F)16°C (61°F)
Perceived temperature16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)19°C (65°F)20°C (67°F)19°C (65°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%92%92%90%86%82%87%85%
Barometric pressure1013 hPa1013 hPa1012 hPa1014 hPa1014 hPa1013 hPa1015 hPa1018 hPa
Cloud cover92%93%89%67%94%80%93%3%
Heat index16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)19°C (65°F)20°C (67°F)19°C (65°F)16°C (61°F)
Dew point14°C (58°F)15°C (59°F)15°C (59°F)16°C (60°F)16°C (61°F)16°C (62°F)16°C (61°F)13°C (56°F)
Wind
Speed9km/h (6mph)9km/h (5mph)9km/h (6mph)9km/h (6mph)8km/h (5mph)6km/h (4mph)10km/h (6mph)31km/h (19mph)
Gusts14km/h (8mph)13km/h (8mph)15km/h (9mph)16km/h (10mph)12km/h (7mph)10km/h (6mph)17km/h (11mph)45km/h (28mph)
Direction 103°
ESE
90°
E
52°
NE
50°
NE
330°
NNW
303°
WNW
356°
N

N
Wind chill16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)19°C (65°F)20°C (67°F)19°C (65°F)16°C (61°F)
Waves
Height0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.1m (0.4ft)0.4m (1.2ft)0.1m (0.5ft)0.2m (0.5ft)0.5m (1.5ft)
Direction 129°
SE
92°
E
79°
E
65°
ENE
85°
E
275°
W
282°
WNW
348°
NNW
Period5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)1.4m (4.6ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:50 and will set at 17:08 on the beach(es) of Marsh Island. The outside temperature will be a high of 58°F t and a low of 45°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 23.6mph km/h (with gusts up to 31.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)11°C (51°F)8°C (47°F)8°C (46°F)8°C (47°F)9°C (49°F)8°C (46°F)10°C (50°F)
Perceived temperature11°C (53°F)7°C (45°F)4°C (39°F)4°C (39°F)5°C (40°F)6°C (44°F)4°C (40°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%80%84%82%66%56%61%70%
Barometric pressure1020 hPa1021 hPa1023 hPa1025 hPa1024 hPa1021 hPa1023 hPa1024 hPa
Cloud cover0%0%0%0%0%0%0%0%
Heat index14°C (57°F)11°C (51°F)8°C (47°F)8°C (46°F)8°C (47°F)9°C (49°F)8°C (46°F)10°C (50°F)
Dew point10°C (49°F)7°C (45°F)6°C (42°F)5°C (41°F)2°C (36°F)1°C (34°F)1°C (33°F)5°C (40°F)
Wind
Speed38km/h (24mph)38km/h (24mph)35km/h (21mph)31km/h (19mph)25km/h (15mph)22km/h (13mph)22km/h (14mph)23km/h (14mph)
Gusts50km/h (31mph)47km/h (29mph)41km/h (25mph)36km/h (22mph)29km/h (18mph)26km/h (16mph)28km/h (17mph)32km/h (20mph)
Direction
N

N

N
12°
NNE
14°
NNE
12°
NNE
14°
NNE
21°
NNE
Wind chill11°C (53°F)7°C (45°F)4°C (39°F)4°C (39°F)5°C (40°F)6°C (44°F)4°C (40°F)7°C (44°F)
Waves
Height0.5m (1.7ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.2ft)
Direction 347°
NNW
350°
N
356°
N
358°
N

N

N
10°
N
29°
NNE
Period5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.
Significant height1.5m (4.9ft)1.7m (5.6ft)1.5m (4.9ft)1.3m (4.3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:51 and will set at 17:08 on the beach(es) of Marsh Island. The outside temperature will be a high of 58°F t and a low of 47°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 11.8mph km/h (with gusts up to 16.8mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (47°F)8°C (47°F)9°C (48°F)9°C (48°F)9°C (48°F)8°C (47°F)14°C (56°F)
Perceived temperature7°C (44°F)6°C (43°F)6°C (42°F)7°C (44°F)8°C (46°F)8°C (47°F)7°C (45°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%74%75%72%60%56%56%59%
Barometric pressure1023 hPa1023 hPa1022 hPa1023 hPa1021 hPa1018 hPa1017 hPa1016 hPa
Cloud cover0%0%0%0%0%0%0%0%
Heat index9°C (49°F)9°C (47°F)8°C (47°F)9°C (48°F)9°C (48°F)9°C (48°F)8°C (47°F)14°C (56°F)
Dew point5°C (40°F)4°C (40°F)4°C (39°F)4°C (39°F)1°C (35°F)1°C (33°F)0°C (32°F)6°C (42°F)
Wind
Speed19km/h (12mph)16km/h (10mph)15km/h (9mph)14km/h (9mph)6km/h (4mph)5km/h (3mph)7km/h (4mph)18km/h (11mph)
Gusts26km/h (16mph)23km/h (14mph)21km/h (13mph)18km/h (11mph)11km/h (7mph)11km/h (7mph)14km/h (9mph)27km/h (17mph)
Direction 53°
NE
49°
NE
51°
NE
58°
ENE
56°
NE
185°
S
167°
SSE
168°
SSE
Wind chill7°C (44°F)6°C (43°F)6°C (42°F)7°C (44°F)8°C (46°F)8°C (47°F)7°C (45°F)12°C (53°F)
Waves
Height0.3m (1.1ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.6ft)0.1m (0.4ft)0.1m (0.4ft)0.3m (1.0ft)0.2m (0.8ft)
Direction 34°
NE
40°
NE
44°
NE
44°
NE
34°
NNE
13°
NNE
16°
NNE
17°
NNE
Period5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:51 and will set at 17:08 on the beach(es) of Marsh Island. The outside temperature will be a high of 68°F t and a low of 59°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 17.4mph km/h (with gusts up to 27.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)17°C (62°F)18°C (65°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (65°F)17°C (62°F)
Perceived temperature15°C (59°F)17°C (62°F)18°C (65°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (65°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%76%80%85%82%81%86%85%
Barometric pressure1014 hPa1012 hPa1010 hPa1011 hPa1009 hPa1008 hPa1009 hPa1011 hPa
Cloud cover2%64%75%98%61%82%29%0%
Heat index15°C (59°F)17°C (62°F)18°C (65°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (65°F)17°C (62°F)
Dew point9°C (49°F)13°C (55°F)15°C (58°F)16°C (62°F)17°C (62°F)17°C (62°F)16°C (61°F)14°C (58°F)
Wind
Speed23km/h (15mph)22km/h (13mph)26km/h (16mph)28km/h (17mph)27km/h (17mph)27km/h (17mph)19km/h (12mph)19km/h (12mph)
Gusts34km/h (21mph)33km/h (20mph)41km/h (26mph)44km/h (27mph)32km/h (20mph)31km/h (19mph)26km/h (16mph)31km/h (19mph)
Direction 184°
S
199°
SSW
210°
SSW
215°
SW
237°
WSW
255°
WSW
304°
WNW
355°
N
Wind chill15°C (59°F)17°C (62°F)18°C (65°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (65°F)17°C (62°F)
Waves
Height0.3m (0.9ft)0.5m (1.6ft)0.2m (0.5ft)0.3m (0.9ft)0.3m (1.1ft)0.4m (1.2ft)0.4m (1.3ft)0.3m (1.1ft)
Direction 20°
NNE
9999°
216°
SW
209°
SSW
209°
SSW
216°
SW
216°
SW
222°
SW
Period5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units