Sea weather in Port Sulphur in Louisiana All the beach weather in Port Sulphur

All the essential weather information for enjoying the beach in Port Sulphur 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 Port Sulphur over the next 7 days?

Discover the best moment to go to the beach in Port Sulphur in Louisiana this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Port Sulphur. 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 202643°F to 50°Frecommended
Thursday 29 January 202649°F to 59°Frecommended
Friday 30 January 202649°F to 61°Fdiscouraged
Saturday 31 January 202629°F to 49°Fnot recommended
Sunday 1 February 202632°F to 43°Fdiscouraged
Monday 2 February 202641°F to 54°Frecommended
Tuesday 3 February 202658°F to 67°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Port Sulphur

Sea weather on Wednesday 28 January 2026

On Wednesday 28 January 2026, the sun will rise at 06:50 and will set at 17:34 on the beach(es) of Port Sulphur. The outside temperature will be a high of 50°F t and a low of 43°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 10.6mph km/h (with gusts up to 18mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)7°C (44°F)8°C (46°F)8°C (46°F)8°C (46°F)7°C (44°F)10°C (49°F)
Perceived temperature7°C (45°F)6°C (42°F)3°C (38°F)5°C (41°F)5°C (41°F)6°C (43°F)4°C (39°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity43%49%56%57%42%37%44%50%
Barometric pressure1030 hPa1030 hPa1029 hPa1031 hPa1030 hPa1026 hPa1028 hPa1027 hPa
Cloud cover40%3%0%0%0%0%0%0%
Heat index8°C (46°F)8°C (46°F)7°C (44°F)8°C (46°F)8°C (46°F)8°C (46°F)7°C (44°F)10°C (49°F)
Dew point-4°C (25°F)-2°C (28°F)-2°C (29°F)0°C (32°F)-5°C (24°F)-6°C (21°F)-5°C (24°F)-0°C (31°F)
Wind
Speed5km/h (3mph)10km/h (6mph)16km/h (10mph)17km/h (11mph)15km/h (9mph)9km/h (6mph)14km/h (9mph)14km/h (9mph)
Gusts7km/h (5mph)15km/h (9mph)24km/h (15mph)22km/h (14mph)27km/h (17mph)19km/h (12mph)29km/h (18mph)22km/h (14mph)
Direction 334°
NNW
324°
NW
350°
N
347°
NNW
341°
NNW

N
355°
N
40°
NE
Wind chill7°C (45°F)6°C (42°F)3°C (38°F)5°C (41°F)5°C (41°F)6°C (43°F)4°C (39°F)7°C (45°F)
Waves
Height0.3m (1.0ft)0.6m (1.9ft)0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.2m (0.5ft)0.1m (0.3ft)0.1m (0.4ft)
Direction 223°
SW
316°
NW
337°
NNW
334°
NNW
323°
NW
330°
NNW

N

N
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.1m (0.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 06:50 and will set at 17:35 on the beach(es) of Port Sulphur. The outside temperature will be a high of 59°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 9.3mph km/h (with gusts up to 14.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)9°C (48°F)9°C (47°F)11°C (51°F)12°C (54°F)14°C (56°F)14°C (57°F)15°C (59°F)
Perceived temperature9°C (49°F)8°C (47°F)7°C (44°F)10°C (50°F)12°C (53°F)12°C (54°F)13°C (56°F)14°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity50%53%61%55%56%55%59%62%
Barometric pressure1027 hPa1026 hPa1024 hPa1025 hPa1023 hPa1021 hPa1020 hPa1020 hPa
Cloud cover16%0%16%15%14%6%26%41%
Heat index10°C (49°F)9°C (48°F)9°C (47°F)11°C (51°F)12°C (54°F)14°C (56°F)14°C (57°F)15°C (59°F)
Dew point-0°C (31°F)0°C (32°F)2°C (35°F)2°C (36°F)4°C (39°F)5°C (41°F)6°C (43°F)8°C (46°F)
Wind
Speed4km/h (3mph)6km/h (4mph)10km/h (6mph)9km/h (6mph)7km/h (4mph)15km/h (9mph)11km/h (7mph)13km/h (8mph)
Gusts7km/h (4mph)10km/h (6mph)16km/h (10mph)12km/h (7mph)10km/h (6mph)24km/h (15mph)18km/h (11mph)20km/h (12mph)
Direction 324°
NW
330°
NNW
72°
ENE
102°
ESE
167°
SSE
189°
S
222°
SW
234°
SW
Wind chill9°C (49°F)8°C (47°F)7°C (44°F)10°C (50°F)12°C (53°F)12°C (54°F)13°C (56°F)14°C (58°F)
Waves
Height0.6m (1.9ft)0.5m (1.6ft)0.1m (0.5ft)0.4m (1.3ft)0.1m (0.4ft)0.2m (0.6ft)0.3m (0.9ft)0.2m (0.7ft)
Direction 352°
N
344°
NNW
75°
ENE
88°
E
166°
SSE
181°
S
192°
SSW
199°
SSW
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)0.1m (0.3ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.3m (1ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 06:49 and will set at 17:36 on the beach(es) of Port Sulphur. The outside temperature will be a high of 61°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 21.8mph km/h (with gusts up to 28.6mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)16°C (60°F)16°C (60°F)14°C (58°F)13°C (55°F)14°C (57°F)13°C (55°F)11°C (52°F)
Perceived temperature14°C (58°F)16°C (60°F)16°C (60°F)13°C (55°F)11°C (51°F)12°C (53°F)11°C (51°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%69%79%82%62%54%62%73%
Barometric pressure1020 hPa1018 hPa1018 hPa1019 hPa1018 hPa1017 hPa1019 hPa1021 hPa
Cloud cover85%55%32%6%3%8%57%65%
Heat index15°C (59°F)16°C (60°F)16°C (60°F)14°C (58°F)13°C (55°F)14°C (57°F)13°C (55°F)11°C (52°F)
Dew point9°C (47°F)10°C (50°F)12°C (54°F)11°C (52°F)6°C (42°F)5°C (40°F)6°C (43°F)6°C (44°F)
Wind
Speed11km/h (7mph)15km/h (9mph)15km/h (9mph)22km/h (13mph)26km/h (16mph)29km/h (18mph)30km/h (18mph)35km/h (22mph)
Gusts16km/h (10mph)22km/h (14mph)23km/h (14mph)28km/h (18mph)40km/h (25mph)46km/h (28mph)44km/h (27mph)45km/h (28mph)
Direction 250°
WSW
230°
SW
243°
WSW
302°
WNW
305°
NW
327°
NNW
337°
NNW
352°
N
Wind chill14°C (58°F)16°C (60°F)16°C (60°F)13°C (55°F)11°C (51°F)12°C (53°F)11°C (51°F)8°C (46°F)
Waves
Height0.2m (0.5ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.4m (1.3ft)0.6m (1.9ft)0.8m (2.5ft)0.8m (2.8ft)
Direction 203°
SSW
202°
SSW
205°
SSW
211°
SSW
282°
WNW
290°
WNW
301°
WNW
323°
NW
Period2.6 sec.2.6 sec.2.6 sec.3.1 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.7m (2.3ft)0.9m (3ft)1.3m (4.3ft)1.4m (4.6ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 06:49 and will set at 17:36 on the beach(es) of Port Sulphur. The outside temperature will be a high of 49°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 30.5mph km/h (with gusts up to 33.6mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)8°C (46°F)6°C (42°F)5°C (40°F)3°C (37°F)1°C (34°F)-1°C (29°F)1°C (33°F)
Perceived temperature5°C (41°F)3°C (37°F)0°C (33°F)-1°C (30°F)-5°C (24°F)-6°C (20°F)-10°C (14°F)-7°C (19°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%72%72%72%56%49%57%63%
Barometric pressure1023 hPa1023 hPa1025 hPa1028 hPa1028 hPa1028 hPa1030 hPa1032 hPa
Cloud cover93%100%25%62%0%0%0%0%
Heat index9°C (48°F)8°C (46°F)6°C (42°F)5°C (40°F)3°C (37°F)1°C (34°F)-1°C (29°F)1°C (33°F)
Dew point5°C (40°F)3°C (37°F)1°C (34°F)0°C (32°F)-5°C (23°F)-8°C (17°F)-9°C (16°F)-6°C (22°F)
Wind
Speed35km/h (21mph)36km/h (23mph)36km/h (23mph)42km/h (26mph)49km/h (30mph)48km/h (30mph)47km/h (29mph)45km/h (28mph)
Gusts42km/h (26mph)43km/h (27mph)43km/h (27mph)48km/h (30mph)54km/h (34mph)54km/h (34mph)51km/h (32mph)51km/h (32mph)
Direction 350°
N
346°
NNW
345°
NNW
341°
NNW
337°
NNW
344°
NNW
352°
N
355°
N
Wind chill5°C (41°F)3°C (37°F)0°C (33°F)-1°C (30°F)-5°C (24°F)-6°C (20°F)-10°C (14°F)-7°C (19°F)
Waves
Height0.8m (2.8ft)0.8m (2.8ft)0.8m (2.7ft)0.9m (3.0ft)1.1m (3.7ft)1.2m (3.8ft)1.1m (3.6ft)1.0m (3.3ft)
Direction 333°
NNW
322°
NW
319°
NW
320°
NW
302°
WNW
310°
NW
326°
NW
328°
NNW
Period3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.5m (4.9ft)1.9m (6.2ft)1.9m (6.2ft)1.8m (5.9ft)1.7m (5.6ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 06:48 and will set at 17:37 on the beach(es) of Port Sulphur. The outside temperature will be a high of 43°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 24.2mph km/h (with gusts up to 28mph). Wave height will be up to 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 (32°F)1°C (34°F)2°C (36°F)4°C (38°F)3°C (37°F)6°C (43°F)
Perceived temperature-7°C (20°F)-7°C (20°F)-7°C (20°F)-5°C (23°F)-4°C (26°F)-1°C (30°F)-2°C (29°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%66%68%64%52%45%45%49%
Barometric pressure1032 hPa1033 hPa1034 hPa1036 hPa1035 hPa1032 hPa1032 hPa1033 hPa
Cloud cover0%0%2%3%0%0%0%0%
Heat index0°C (33°F)0°C (32°F)-0°C (32°F)1°C (34°F)2°C (36°F)4°C (38°F)3°C (37°F)6°C (43°F)
Dew point-6°C (22°F)-6°C (22°F)-5°C (22°F)-5°C (23°F)-7°C (20°F)-7°C (19°F)-8°C (17°F)-4°C (25°F)
Wind
Speed39km/h (24mph)34km/h (21mph)30km/h (19mph)31km/h (19mph)27km/h (17mph)24km/h (15mph)19km/h (12mph)20km/h (12mph)
Gusts45km/h (28mph)39km/h (24mph)34km/h (21mph)35km/h (22mph)45km/h (28mph)30km/h (18mph)24km/h (15mph)29km/h (18mph)
Direction 356°
N
353°
N
346°
NNW
349°
N
350°
N
347°
NNW
336°
NNW
335°
NNW
Wind chill-7°C (20°F)-7°C (20°F)-7°C (20°F)-5°C (23°F)-4°C (26°F)-1°C (30°F)-2°C (29°F)2°C (36°F)
Waves
Height0.9m (2.8ft)0.8m (2.5ft)0.7m (2.3ft)0.7m (2.2ft)0.6m (2.0ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.7ft)
Direction 335°
NNW
337°
NNW
329°
NNW
332°
NNW
335°
NNW
341°
NNW
332°
NNW
332°
NNW
Period3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 06:47 and will set at 17:38 on the beach(es) of Port Sulphur. The outside temperature will be a high of 54°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 9.9mph km/h (with gusts up to 15.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (42°F)5°C (41°F)5°C (40°F)6°C (43°F)6°C (43°F)7°C (45°F)10°C (51°F)12°C (54°F)
Perceived temperature2°C (36°F)3°C (38°F)3°C (38°F)6°C (43°F)5°C (40°F)5°C (41°F)9°C (48°F)11°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity53%52%53%49%46%48%52%57%
Barometric pressure1033 hPa1031 hPa1031 hPa1032 hPa1031 hPa1028 hPa1027 hPa1027 hPa
Cloud cover0%0%0%0%0%0%33%0%
Heat index5°C (42°F)5°C (41°F)5°C (40°F)6°C (43°F)6°C (43°F)7°C (45°F)10°C (51°F)12°C (54°F)
Dew point-4°C (26°F)-4°C (24°F)-4°C (25°F)-4°C (26°F)-4°C (24°F)-3°C (27°F)1°C (34°F)4°C (39°F)
Wind
Speed14km/h (9mph)7km/h (4mph)5km/h (3mph)4km/h (2mph)8km/h (5mph)12km/h (7mph)12km/h (7mph)16km/h (10mph)
Gusts21km/h (13mph)11km/h (7mph)8km/h (5mph)5km/h (3mph)15km/h (9mph)25km/h (15mph)18km/h (11mph)24km/h (15mph)
Direction 338°
NNW
353°
N
357°
N
51°
NE
190°
S
201°
SSW
193°
SSW
186°
S
Wind chill2°C (36°F)3°C (38°F)3°C (38°F)6°C (43°F)5°C (40°F)5°C (41°F)9°C (48°F)11°C (51°F)
Waves
Height0.5m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.6ft)0.1m (0.4ft)0.6m (2.0ft)
Direction 344°
NNW
347°
NNW
349°
N

N
11°
N
11°
N
21°
NNE
35°
NE
Period3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 06:47 and will set at 17:39 on the beach(es) of Port Sulphur. The outside temperature will be a high of 67°F t and a low of 58°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 26.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (56°F)15°C (58°F)15°C (59°F)17°C (63°F)18°C (64°F)18°C (65°F)18°C (64°F)19°C (65°F)
Perceived temperature12°C (54°F)13°C (56°F)15°C (59°F)17°C (63°F)18°C (64°F)18°C (65°F)18°C (64°F)19°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%62%64%64%64%67%70%74%
Barometric pressure1026 hPa1025 hPa1024 hPa1024 hPa1023 hPa1021 hPa1021 hPa1022 hPa
Cloud cover100%9%42%48%100%100%43%43%
Heat index14°C (56°F)15°C (58°F)15°C (59°F)17°C (63°F)18°C (64°F)18°C (65°F)18°C (64°F)19°C (65°F)
Dew point6°C (43°F)7°C (45°F)8°C (47°F)10°C (50°F)11°C (52°F)12°C (54°F)13°C (55°F)14°C (57°F)
Wind
Speed19km/h (12mph)19km/h (12mph)21km/h (13mph)31km/h (19mph)30km/h (19mph)26km/h (16mph)21km/h (13mph)20km/h (13mph)
Gusts28km/h (18mph)29km/h (18mph)32km/h (20mph)43km/h (27mph)42km/h (26mph)41km/h (25mph)38km/h (24mph)35km/h (22mph)
Direction 190°
S
178°
S
172°
S
161°
SSE
179°
S
187°
S
185°
S
186°
S
Wind chill12°C (54°F)13°C (56°F)15°C (59°F)17°C (63°F)18°C (64°F)18°C (65°F)18°C (64°F)19°C (65°F)
Waves
Height0.5m (1.7ft)0.5m (1.6ft)0.2m (0.8ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.7ft)0.2m (0.8ft)0.3m (0.9ft)
Direction 28°
NNE
42°
NE
34°
NNE
58°
ENE
99°
E
152°
SSE
153°
SSE
132°
SE
Period3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.
Significant height0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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