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:
  • 7:10 AM CDT
  • Sunset:
  • 7:04 PM CDT
  • Moonrise:
  • 2:59 AM CDT
  • Moonset:
  • 12:58 PM CDT

TONIGHT

MOSTLY CLEAR
Lo: 55°F

FRIDAY

SUNNY

Hi: 71°F
Lo: 59°F

SATURDAY

MOSTLY SUNNY
Hi: 75°F
Lo: 65°F

SUNDAY

SUNNY

Hi: 79°F
Lo: 50°F
Weather Forecast In Detail:
Forecast Issued: 616 PM CDT Thu Mar 12 2026

Tonight...Mostly clear. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Friday...Sunny. Highs in the lower 70s. East winds 5 to 10 mph.
Friday Night...Mostly clear. Lows in the upper 50s. East winds around 5 mph.
Saturday...Mostly sunny. Highs in the mid 70s. East winds 5 to 10 mph.
Saturday Night...Partly cloudy. Lows in the mid 60s. Southeast winds 5 to 10 mph.
Sunday...Sunny. Highs in the upper 70s.
Sunday Night...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Cooler with lows around 50. Chance of rain 70 percent.
Monday...Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Breezy and much cooler with highs in the lower 60s. Chance of rain 20 percent.
Monday Night...Partly cloudy. Lows in the mid 40s.
Tuesday...Partly sunny. Highs around 60.
Tuesday Night And Wednesday...Mostly clear. Lows in the upper 40s. Highs in the upper 60s.
Wednesday Night...Mostly clear. Lows in the mid 50s.
Thursday...Mostly sunny. Highs in the lower 70s.
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