Marine Weather Net

Southwest Pass of the Mississippi River to Port Fourchon Louisiana Marine Forecast


TODAY

NE
WINDS
5 - 10
KNOTS

TONIGHT

E
WINDS
5 KNOTS

WEDNESDAY

E
WINDS
5 - 10
KNOTS

WEDNESDAY NIGHT

NE
WINDS
5 - 10
KNOTS

The Marine Weather Forecast In Detail:
GMZ552 Forecast Issued: 222 PM CDT Tue May 30 2023

Today...Northeast Winds 5 To 10 Knots, Becoming East This Afternoon. Seas 1 Foot Or Less. A Slight Chance Of Showers And Thunderstorms This Afternoon.
Tonight...East Winds Around 5 Knots. Seas 1 Foot Or Less.
Wednesday...East Winds 5 To 10 Knots. Seas 1 Foot Or Less, Then 1 To 2 Feet In The Afternoon.
Wednesday Night...Northeast Winds 5 To 10 Knots. Seas 1 To 2 Feet. A Slight Chance Of Showers And Thunderstorms After Midnight.
Thursday...Northeast Winds 10 To 15 Knots With Gusts Up To 20 Knots. Seas 2 To 3 Feet. A Chance Of Showers And Thunderstorms, Mainly In The Morning.
Thursday Night...East Winds 10 To 15 Knots With Gusts Up To 20 Knots. Seas 2 To 3 Feet.
Friday...Northeast Winds 10 To 15 Knots. Seas 2 To 3 Feet.
Friday Night...East Winds Around 10 Knots. Seas Around 2 Feet.
Saturday...East Winds 5 To 10 Knots. Seas 1 To 2 Feet.
Saturday Night...East Winds 5 To 10 Knots, Becoming Northeast After Midnight. Seas 1 To 2 Feet In The Evening, Then 1 Foot Or Less. Winds And Seas Higher In And Near Thunderstorms.
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Area Forecast Discussion
National Weather Service New Orleans LA
652pm CDT Tuesday May 30 2023

Long Term
(Friday through Monday night) Issued at 222pm CDT Tuesday May 30 2023

The longer term will be characterized by persistent troughing present over the western Atlantic, and a general weakness across the local area. Details such as how far southwest the trough axis extends and how much moisture will remain or move into the local area continue to be a bit uncertain. Unfortunately these finer details will determine the actual sensible weather impacts across the local area.

Currently it looks like the best rain chances will be late in the weekend and early next week as weak upper ridging breaks down and heigheights fall across the Gulf South allowing more diurnally forced storms to Probability of Precipitation up. However, even on the days with the best convective coverage, am still only carrying POPs generally in the 30-40% range. The latest Quantitative Precipitation Forecast guidance from WPC is similarly pessimistic on any widespread wetting rain with less than one quarter inch of rain for the majority of places over the course of the whole period.

Marine
Issued at 222pm CDT Tuesday May 30 2023

Predominantly calm weather pattern is forecast for the next week for the marine waters. Generally, easterly to northeasterly winds will prevail with moderate (<15 knots) wind speeds tonight through Thursday. Northeasterly to northeasterly and strong (15-20 kts) winds will dominate after the low moves through Thursday. Caution headlines may be needed for Thursday. Friday through Sunday, winds will calm back to moderate (<15 knots) and remain easterly to northeasterly. MSW

NOAA New Orleans LA Office: Watches - Warnings - Advisories
LA...None. GM...None. MS...None. GM...None.