Marine Weather Net

Port Sulphur, LA Weather Forecast


Marine Forecast: Breton Sound


Port Sulphur, Louisiana

 Lat: 29.48N, Lon: 89.69W

Current Conditions Updated: 1051 AM CST MON DEC 2 2019

Clear


Temp: 52°F
  • Humidity:
  • 48%
  • Winds:
  • 16 MPH NNW
  • Gusts:
  • 24 MPH
  • Barometer:
  • 30.18 in.
  • Dewpoint:
  • 33°F
  • Heat index:
  • 52°F

  • Sunrise:
  • 6:26 AM CST
  • Sunset:
  • 5:00 PM CST
  • Moonrise:
  • 8:45 AM CST
  • Moonset:
  • 6:42 PM CST

TODAY

MOSTLY SUNNY
Hi: 79°F
Lo: 61°F

SUNDAY

MOSTLY SUNNY
Hi: 75°F
Lo: 61°F

MONDAY

PARTLY SUNNY
Hi: 75°F
Lo: 67°F

TUESDAY

CHANCE OF SHOWERS
Hi: 79°F
Lo: 65°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 851 AM CST Sat Nov 22 2025

Today...Widespread dense fog this morning. Mostly sunny. Visibility one quarter mile or less at Times this morning. Highs in the upper 70s. West winds around 5 mph.
Tonight...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. West winds around 5 mph, becoming north around 5 mph after midnight.
Sunday...Mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.
Sunday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds around 5 mph.
Monday...Partly sunny. Highs in the mid 70s. Southeast winds 5 to 10 mph.
Monday Night...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Near steady temperature in the upper 60s. Chance of rain 20 percent.
Tuesday...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the mid 60s. Chance of rain 40 percent.
Wednesday...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the mid 60s. Chance of rain 40 percent.
Wednesday Night...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Cooler with lows in the mid 50s. Chance of rain 20 percent.
Thanksgiving Day Through Friday...Partly cloudy. Highs in the mid 60s. Lows in the lower 50s.
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