Marine Weather Net

Lake Pontchartrain and Lake Maurepas Marine Forecast


TONIGHT

SE
WINDS
20 - 25
KNOTS

MONDAY

SE
WINDS
15 - 20
KNOTS

MONDAY NIGHT

SE
WINDS
10 - 15
KNOTS

TUESDAY

S
WINDS
5 - 10
KNOTS

The Marine Weather Forecast In Detail:
GMZ530 Forecast Issued: 952 PM CDT Sun Apr 28 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT MONDAY
Tonight...Southeast Winds 20 To 25 Knots, Diminishing To 15 To 20 Knots After Midnight. Waves 3 To 4 Feet.
Monday...Southeast Winds 15 To 20 Knots, Diminishing To 10 To 15 Knots In The Afternoon. Waves 2 To 4 Feet. A Chance Of Showers And Thunderstorms In The Morning, Then Showers With Thunderstorms Likely In The Afternoon.
Monday Night...Southeast Winds 10 To 15 Knots, Becoming Southwest 5 To 10 Knots After Midnight. Waves 2 To 3 Feet, Subsiding To 1 To 2 Feet After Midnight. Showers Likely. Thunderstorms Likely, Mainly In The Evening.
Tuesday...South Winds 5 To 10 Knots. Waves 1 Foot Or Less. A Chance Of Showers. A Chance Of Thunderstorms.
Tuesday Night...Southeast Winds 5 To 10 Knots. Waves 1 To 2 Feet.
Wednesday...Southeast Winds 5 To 10 Knots. Waves Around 2 Feet. A Chance Of Showers And Thunderstorms In The Afternoon.
Wednesday Night...Southeast Winds 5 To 10 Knots. Waves Around 2 Feet.
Thursday...Southeast Winds 5 To 10 Knots. Waves Around 2 Feet.
Thursday Night...Southeast Winds Around 10 Knots. Waves Around 2 Feet.
Friday...Southeast Winds Around 10 Knots. Waves 2 To 3 Feet. A Slight Chance Of Showers And Thunderstorms In The Afternoon.
Friday Night...Southeast Winds 5 To 10 Knots. Waves Around 2 Feet. Winds And Waves Higher In And Near Thunderstorms.
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Area Forecast Discussion
National Weather Service New Orleans LA
1148pm CDT Sunday April 28 2024

Long Term
(Tuesday through Saturday night) Issued at 311pm CDT Sunday April 28 2024

Going into the day on Tuesday, we get right back into onshore return flow following showers/storms the day prior, with isolated showers around within increasing deep rich Gulf return flow. No adjustments needed against NBM Probability of Precipitation introducing around 30-40% chances primarily in the afternoon following peak diurnal heating. Might see a few intervals of disorganized showers/storms again on Wednesday in a progressive WSW/ENE flow and embedded subtle H5 impulses ride the flow, but the main storm track will remain well to our west and north as ridging dominates the SE US, providing multiple rounds of severe weather targeting the Plains states. Seeing some long-range trends hint at a front slowing/stalling across the area late week into the weekend, and with persistent H5 impulses riding the quasi- zonal flow aloft may introduce periods of showers/storms, perhaps an uptick in coverage this weekend. Too soon to narrow down timing/specifics, but will mention that there are no major indications of widespread heavy rain/severe weather outside of hit- or-miss shower/storm chances. Otherwise, only notable edits in the long range were to nudge up temperatures slightly above deterministic suggested values, with many areas reaching the mid 80's to some upper 80's especially by late week, persistently around 3-8 degrees above average for this time of the year.

Marine
Issued at 311pm CDT Sunday April 28 2024

Strong winds up to 35-40 knots remain on the coastal waters through late tonight before winds start to slowly decrease. Showers and thunderstorms are expected tomorrow morning as a line is forecasted to pass though the area from the early to mid morning hours though the afternoon. By the time it makes it to the Gulf waters, it likely will not be too strong but can't completely rule that out. There might be a need for exercise caution headlines at some point tomorrow night, but overall the conditions will become more benign with light onshore flow. -BL

NOAA New Orleans LA Office: Watches - Warnings - Advisories
LA...None. GM...Small Craft Advisory until 7am CDT Monday for GMZ530-532-534- 536-538-550-552-555-557-570-572-575-577.

MS...None. GM...Small Craft Advisory until 7am CDT Monday for GMZ532-534-536- 538-550-552-555-557-570-572-575-577.