Marine Weather Net

Port Sulphur, LA Weather Forecast


Marine Forecast: Breton Sound


Port Sulphur, Louisiana

 Lat: 29.48N, Lon: 89.69W

Current Conditions Updated: 1151 AM CDT 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:
  • 6:45 AM CDT
  • Sunset:
  • 7:16 PM CDT
  • Moonrise:
  • 8:08 PM CDT
  • Moonset:
  • 6:51 AM CDT

TONIGHT

FOG
Lo: 69°F

THURSDAY

MOSTLY SUNNY
Hi: 80°F
Lo: 69°F
Precip: 40%

FRIDAY

PARTLY SUNNY
Hi: 80°F
Lo: 69°F

SATURDAY

MOSTLY SUNNY
Hi: 80°F
Lo: 65°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 121 AM CDT Thu Apr 02 2026

Rest Of Tonight...Mostly clear. Patchy fog. Near steady temperature in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
Thursday...Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs around 80. Southeast winds 10 to 15 mph. Chance of rain 40 percent.
Thursday Night...Mostly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph.
Friday...Partly sunny. Highs around 80. Southeast winds 10 to 15 mph.
Friday Night...Partly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph.
Saturday...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 50 percent.
Saturday Night...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 60 percent.
Sunday...Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.
Sunday Night...Cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
Monday...Cloudy. A chance of showers, mainly in the morning. Highs in the upper 60s. Chance of rain 50 percent.
Monday Night...Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s.
Tuesday...Mostly sunny. Highs in the lower 70s.
Tuesday Night...Mostly cloudy. A slight chance of showers after midnight. Lows around 60. Chance of rain 20 percent.
Wednesday...Mostly sunny with a 40 percent chance of showers. Breezy with highs in the lower 70s.
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