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
Wednesday 28 January 202641°F to 49°Frecommended
Thursday 29 January 202649°F to 58°Frecommended
Friday 30 January 202647°F to 59°Fdiscouraged
Saturday 31 January 202629°F to 47°Fnot recommended
Sunday 1 February 202632°F to 41°Fdiscouraged
Monday 2 February 202641°F to 56°Fdiscouraged
Tuesday 3 February 202659°F to 61°Fdiscouraged

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

Sea weather on Wednesday 28 January 2026

On Wednesday 28 January 2026, the sun will rise at 06:59 and will set at 17:42 on the beach(es) of Marsh Island. The outside temperature will be a high of 49°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 11.2mph km/h (with gusts up to 16.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (43°F)5°C (42°F)6°C (42°F)6°C (42°F)7°C (44°F)6°C (43°F)9°C (48°F)
Perceived temperature7°C (44°F)3°C (38°F)2°C (35°F)2°C (36°F)4°C (39°F)4°C (39°F)3°C (38°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity55%65%74%65%53%49%53%54%
Barometric pressure1030 hPa1030 hPa1030 hPa1032 hPa1030 hPa1028 hPa1027 hPa1028 hPa
Cloud cover56%0%0%0%0%0%0%6%
Heat index7°C (44°F)6°C (43°F)5°C (42°F)6°C (42°F)6°C (42°F)7°C (44°F)6°C (43°F)9°C (48°F)
Dew point-2°C (29°F)-0°C (32°F)1°C (34°F)-0°C (32°F)-3°C (26°F)-3°C (26°F)-3°C (27°F)-0°C (32°F)
Wind
Speed3km/h (2mph)13km/h (8mph)18km/h (11mph)17km/h (10mph)8km/h (5mph)12km/h (8mph)17km/h (10mph)4km/h (2mph)
Gusts5km/h (3mph)20km/h (12mph)26km/h (16mph)21km/h (13mph)15km/h (10mph)26km/h (16mph)17km/h (11mph)6km/h (4mph)
Direction 206°
SSW
348°
NNW
348°
NNW

N
15°
NNE
327°
NNW
16°
NNE
45°
NE
Wind chill7°C (44°F)3°C (38°F)2°C (35°F)2°C (36°F)4°C (39°F)4°C (39°F)3°C (38°F)9°C (48°F)
Waves
Height0.5m (1.7ft)0.3m (1.0ft)0.1m (0.4ft)0.2m (0.6ft)0.1m (0.4ft)0.5m (1.6ft)0.2m (0.6ft)0.1m (0.4ft)
Direction 137°
SE

N
9999°

N

N
312°
NW
360°
N
18°
NNE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.1.8 sec.
Significant height0.1m (0.3ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.2m (0.7ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 06:58 and will set at 17:42 on the beach(es) of Marsh Island. The outside temperature will be a high of 58°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 11.2mph km/h (with gusts up to 18.6mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (48°F)9°C (48°F)11°C (51°F)11°C (52°F)14°C (57°F)14°C (57°F)14°C (57°F)
Perceived temperature9°C (48°F)7°C (45°F)7°C (44°F)9°C (48°F)9°C (48°F)12°C (54°F)14°C (57°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity53%57%62%61%60%60%69%75%
Barometric pressure1027 hPa1025 hPa1024 hPa1024 hPa1023 hPa1020 hPa1019 hPa1020 hPa
Cloud cover0%5%19%20%3%38%97%21%
Heat index9°C (48°F)9°C (48°F)9°C (48°F)11°C (51°F)11°C (52°F)14°C (57°F)14°C (57°F)14°C (57°F)
Dew point-0°C (32°F)1°C (34°F)2°C (36°F)4°C (38°F)4°C (39°F)6°C (43°F)8°C (47°F)10°C (49°F)
Wind
Speed1km/h (1mph)10km/h (6mph)14km/h (9mph)14km/h (9mph)18km/h (11mph)16km/h (10mph)5km/h (3mph)11km/h (7mph)
Gusts2km/h (1mph)14km/h (9mph)21km/h (13mph)18km/h (11mph)30km/h (19mph)24km/h (15mph)8km/h (5mph)17km/h (11mph)
Direction 83°
E
117°
ESE
133°
SE
130°
SE
158°
SSE
202°
SSW
191°
SSW
175°
S
Wind chill9°C (48°F)7°C (45°F)7°C (44°F)9°C (48°F)9°C (48°F)12°C (54°F)14°C (57°F)13°C (56°F)
Waves
Height0.1m (0.3ft)0.5m (1.5ft)0.1m (0.4ft)0.2m (0.6ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)
Direction 16°
NNE
130°
SE
126°
SE
129°
SE
142°
SE
170°
S
158°
SSE
151°
SSE
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.1m (0.3ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 06:58 and will set at 17:43 on the beach(es) of Marsh Island. The outside temperature will be a high of 59°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 22.4mph 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 temperature15°C (59°F)14°C (57°F)10°C (49°F)8°C (47°F)10°C (50°F)11°C (52°F)9°C (49°F)8°C (47°F)
Perceived temperature14°C (57°F)12°C (54°F)6°C (43°F)4°C (39°F)6°C (44°F)8°C (46°F)5°C (42°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%86%79%80%73%68%75%75%
Barometric pressure1019 hPa1018 hPa1019 hPa1021 hPa1021 hPa1020 hPa1022 hPa1024 hPa
Cloud cover83%1%7%5%35%48%95%90%
Heat index15°C (59°F)14°C (57°F)10°C (49°F)8°C (47°F)10°C (50°F)11°C (52°F)9°C (49°F)8°C (47°F)
Dew point12°C (53°F)12°C (53°F)6°C (43°F)5°C (41°F)5°C (42°F)5°C (42°F)5°C (41°F)4°C (40°F)
Wind
Speed13km/h (8mph)23km/h (14mph)30km/h (19mph)32km/h (20mph)32km/h (20mph)36km/h (23mph)35km/h (22mph)36km/h (22mph)
Gusts22km/h (14mph)37km/h (23mph)40km/h (25mph)40km/h (25mph)41km/h (26mph)50km/h (31mph)49km/h (30mph)46km/h (29mph)
Direction 218°
SW
291°
WNW
325°
NW
337°
NNW
342°
NNW
348°
NNW

N
358°
N
Wind chill14°C (57°F)12°C (54°F)6°C (43°F)4°C (39°F)6°C (44°F)8°C (46°F)5°C (42°F)4°C (39°F)
Waves
Height0.1m (0.5ft)0.1m (0.5ft)0.4m (1.3ft)0.4m (1.5ft)0.5m (1.5ft)0.5m (1.7ft)0.5m (1.8ft)0.5m (1.7ft)
Direction 163°
SSE
237°
WSW
320°
NW
336°
NNW
341°
NNW
347°
NNW
352°
N
358°
N
Period1.8 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height0.3m (1ft)0.4m (1.3ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 06:57 and will set at 17:44 on the beach(es) of Marsh Island. The outside temperature will be a high of 47°F t and a low of 29°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 29.2mph km/h (with gusts up to 33.6mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (44°F)5°C (41°F)3°C (38°F)1°C (34°F)0°C (33°F)-2°C (29°F)1°C (34°F)
Perceived temperature4°C (38°F)2°C (36°F)-1°C (31°F)-3°C (26°F)-7°C (20°F)-8°C (18°F)-10°C (14°F)-6°C (21°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%71%78%78%58%51%53%55%
Barometric pressure1026 hPa1026 hPa1028 hPa1032 hPa1032 hPa1031 hPa1033 hPa1035 hPa
Cloud cover100%6%44%100%0%0%0%2%
Heat index8°C (46°F)7°C (44°F)5°C (41°F)3°C (38°F)1°C (34°F)0°C (33°F)-2°C (29°F)1°C (34°F)
Dew point3°C (38°F)2°C (35°F)1°C (34°F)-0°C (32°F)-6°C (21°F)-9°C (16°F)-10°C (14°F)-7°C (19°F)
Wind
Speed37km/h (23mph)31km/h (19mph)36km/h (22mph)44km/h (27mph)47km/h (29mph)47km/h (29mph)42km/h (26mph)37km/h (23mph)
Gusts45km/h (28mph)39km/h (24mph)43km/h (27mph)51km/h (31mph)54km/h (33mph)51km/h (32mph)44km/h (27mph)42km/h (26mph)
Direction
N

N
354°
N
356°
N
354°
N
358°
N

N

N
Wind chill4°C (38°F)2°C (36°F)-1°C (31°F)-3°C (26°F)-7°C (20°F)-8°C (18°F)-10°C (14°F)-6°C (21°F)
Waves
Height0.5m (1.8ft)0.5m (1.6ft)0.5m (1.7ft)0.6m (1.9ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (1.9ft)0.5m (1.5ft)
Direction 355°
N

N
353°
N
351°
N
349°
NNW
355°
N

N

N
Period1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height1.6m (5.2ft)1.3m (4.3ft)1.5m (4.9ft)1.7m (5.6ft)2.0m (6.6ft)2.0m (6.6ft)1.6m (5.2ft)1.2m (3.9ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 06:57 and will set at 17:45 on the beach(es) of Marsh Island. The outside temperature will be a high of 41°F t and a low of 32°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 24.9mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature0°C (33°F)0°C (32°F)-0°C (31°F)0°C (33°F)1°C (34°F)3°C (38°F)2°C (36°F)5°C (41°F)
Perceived temperature-6°C (21°F)-6°C (21°F)-6°C (20°F)-6°C (22°F)-4°C (25°F)-1°C (30°F)-2°C (29°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity55%57%60%60%49%42%45%50%
Barometric pressure1035 hPa1036 hPa1036 hPa1038 hPa1037 hPa1033 hPa1033 hPa1034 hPa
Cloud cover7%7%2%0%0%0%0%0%
Heat index0°C (33°F)0°C (32°F)-0°C (31°F)0°C (33°F)1°C (34°F)3°C (38°F)2°C (36°F)5°C (41°F)
Dew point-7°C (19°F)-7°C (19°F)-7°C (19°F)-6°C (20°F)-8°C (17°F)-9°C (17°F)-9°C (16°F)-5°C (24°F)
Wind
Speed31km/h (19mph)29km/h (18mph)26km/h (16mph)27km/h (17mph)23km/h (14mph)18km/h (11mph)14km/h (9mph)15km/h (10mph)
Gusts36km/h (22mph)33km/h (21mph)30km/h (19mph)31km/h (19mph)40km/h (25mph)19km/h (12mph)29km/h (18mph)23km/h (14mph)
Direction 11°
N

N
360°
N

N

N

N

N

N
Wind chill-6°C (21°F)-6°C (21°F)-6°C (20°F)-6°C (22°F)-4°C (25°F)-1°C (30°F)-2°C (29°F)2°C (35°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (1.0ft)
Direction
N

N
359°
N

N

N
352°
N
358°
N
10°
N
Period1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 06:56 and will set at 17:46 on the beach(es) of Marsh Island. The outside temperature will be a high of 56°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 15.5mph km/h (with gusts up to 23.6mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)5°C (42°F)7°C (44°F)8°C (47°F)8°C (46°F)11°C (53°F)11°C (51°F)13°C (56°F)
Perceived temperature4°C (38°F)5°C (42°F)5°C (42°F)7°C (44°F)5°C (42°F)9°C (49°F)8°C (47°F)11°C (52°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity46%46%50%53%55%57%62%70%
Barometric pressure1033 hPa1031 hPa1030 hPa1031 hPa1030 hPa1027 hPa1026 hPa1025 hPa
Cloud cover0%0%2%0%0%100%6%31%
Heat index5°C (41°F)5°C (42°F)7°C (44°F)8°C (47°F)8°C (46°F)11°C (53°F)11°C (51°F)13°C (56°F)
Dew point-6°C (22°F)-5°C (22°F)-3°C (26°F)-1°C (31°F)-0°C (31°F)3°C (38°F)4°C (39°F)8°C (46°F)
Wind
Speed6km/h (4mph)3km/h (2mph)7km/h (4mph)10km/h (6mph)15km/h (9mph)18km/h (11mph)20km/h (13mph)25km/h (15mph)
Gusts9km/h (6mph)5km/h (3mph)10km/h (6mph)14km/h (9mph)29km/h (18mph)25km/h (16mph)38km/h (23mph)38km/h (24mph)
Direction 70°
ENE
153°
SSE
164°
SSE
148°
SSE
168°
SSE
175°
S
173°
S
172°
S
Wind chill4°C (38°F)5°C (42°F)5°C (42°F)7°C (44°F)5°C (42°F)9°C (49°F)8°C (47°F)11°C (52°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.5m (1.5ft)
Direction 27°
NNE
42°
NE
57°
ENE
67°
ENE
72°
ENE
84°
E
110°
ESE
127°
SE
Period1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 06:55 and will set at 17:47 on the beach(es) of Marsh Island. The outside temperature will be a high of 61°F t and a low of 59°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 18.6mph km/h (with gusts up to 28mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)15°C (59°F)16°C (60°F)15°C (60°F)16°C (61°F)16°C (60°F)16°C (60°F)16°C (61°F)
Perceived temperature13°C (55°F)15°C (59°F)16°C (60°F)15°C (60°F)16°C (61°F)16°C (60°F)16°C (60°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0.1in0.1in
Humidity76%79%81%87%84%92%94%96%
Barometric pressure1024 hPa1023 hPa1021 hPa1022 hPa1021 hPa1019 hPa1019 hPa1020 hPa
Cloud cover55%69%62%87%100%100%100%100%
Heat index15°C (58°F)15°C (59°F)16°C (60°F)15°C (60°F)16°C (61°F)16°C (60°F)16°C (60°F)16°C (61°F)
Dew point10°C (51°F)12°C (53°F)12°C (54°F)13°C (56°F)13°C (56°F)14°C (58°F)15°C (58°F)15°C (60°F)
Wind
Speed24km/h (15mph)24km/h (15mph)30km/h (19mph)29km/h (18mph)27km/h (17mph)21km/h (13mph)20km/h (13mph)19km/h (12mph)
Gusts37km/h (23mph)38km/h (24mph)33km/h (21mph)45km/h (28mph)28km/h (17mph)36km/h (23mph)38km/h (24mph)36km/h (22mph)
Direction 170°
S
156°
SSE
158°
SSE
163°
SSE
166°
SSE
187°
S
173°
S
168°
SSE
Wind chill13°C (55°F)15°C (59°F)16°C (60°F)15°C (60°F)16°C (61°F)16°C (60°F)16°C (60°F)16°C (61°F)
Waves
Height0.1m (0.4ft)0.1m (0.5ft)0.3m (0.9ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (1.1ft)0.4m (1.2ft)
Direction 117°
ESE
116°
ESE
115°
ESE
112°
ESE
125°
SE
136°
SE
136°
SE
127°
SE
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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