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:
  • 6:48 AM CST
  • Sunset:
  • 5:34 PM CST
  • Moonrise:
  • 4:25 PM CST
  • Moonset:
  • 5:58 AM CST

TODAY

SUNNY

Lo: 29°F

SUNDAY

SUNNY

Hi: 45°F
Lo: 37°F

MONDAY

SUNNY

Hi: 59°F
Lo: 50°F

TUESDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 435 AM CST Sat Jan 31 2026

EXTREME COLD WARNING REMAINS IN EFFECT UNTIL 10 AM CST SUNDAY ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST SATURDAY NIGHT...
Today...Sunny, windy and much cooler with highs in the upper 30s. North winds 20 to 30 mph with gusts up to 45 mph.
Tonight...Mostly clear and brisk, cold with lows in the upper 20s. North winds 15 to 25 mph with gusts up to 35 mph.
Sunday...Sunny. Highs in the mid 40s. North winds 10 to 15 mph.
Sunday Night...Mostly clear. Areas of frost after midnight. Lows in the upper 30s. Northwest winds around 5 mph.
Monday...Sunny. Not as cool with highs in the upper 50s. West winds around 5 mph.
Monday Night...Mostly cloudy and not as cool. Near steady temperature around 50.
Tuesday...Mostly sunny. Highs in the mid 60s.
Tuesday Night...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent.
Wednesday...Showers likely with a slight chance of thunderstorms. Highs in the mid 60s. Chance of rain 70 percent.
Wednesday Night...Mostly cloudy. A chance of showers, mainly in the evening. Much cooler with lows in the upper 30s. Chance of rain 40 percent.
Thursday And Thursday Night...Mostly clear. Highs in the lower 50s. Lows in the upper 30s.
Friday...Sunny. Highs around 60.
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