Marine Weather Net

Port Fourchon, LA to Lower Atchafalaya River, LA out 20 - 60 NM Marine Forecast


REST OF TODAY

N
WINDS
25 - 30
KNOTS

TONIGHT

N
WINDS
25 - 30
KNOTS

MONDAY

N
WINDS
25 - 30
KNOTS

MONDAY NIGHT

N
WINDS
20
KNOTS

The Marine Weather Forecast In Detail:
GMZ570 Forecast Issued: 838 AM CST Sun Jan 19 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
Rest Of Today...North Winds 25 To 30 Knots. Seas 6 To 10 Feet With Occasional Seas To 11 Feet. Dominant Period 6 Seconds. Slight Chance Of Showers Early In The Morning.
Tonight...North Winds 25 To 30 Knots. Seas 8 To 12 Feet With Occasional Seas To 13 Feet. Dominant Period 6 Seconds.
Monday...North Winds 25 To 30 Knots Easing To Near 20 Knots Late In The Afternoon. Seas 8 To 12 Feet With Occasional Seas To 13 Feet Subsiding To 4 To 7 Feet With Occasional Seas To 9 Feet. Dominant Period 7 Seconds.
Monday Night...North Winds Near 20 Knots. Seas 3 To 6 Feet With Occasional Seas To 8 Feet. Dominant Period 5 Seconds.
Tuesday...Northeast Winds 15 To 20 Knots. Seas 3 To 6 Feet With Occasional Seas To 8 Feet. Dominant Period 6 Seconds.
Tuesday Night...East Winds 15 To 20 Knots. Seas 3 To 5 Feet With Occasional Seas To 6 Feet. Dominant Period 6 Seconds.
Wednesday...East Winds Near 15 Knots. Seas 2 To 4 Feet. Dominant Period 6 Seconds. Slight Chance Of Showers In The Afternoon.
Wednesday Night...Southeast Winds 15 To 20 Knots. Seas 3 To 5 Feet With Occasional Seas To 6 Feet. Dominant Period 6 Seconds. Chance Of Showers Through The Night.
Thursday...Southeast Winds 15 To 20 Knots. Seas 3 To 6 Feet. Dominant Period 6 Seconds. Chance Of Showers.
Thursday Night...South Winds Near 15 Knots. Seas 3 To 5 Feet. Dominant Period 6 Seconds. Chance Of Showers.
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Synopsis for Pascagoula to SW Pass Mississippi - GMZ501
Synopsis for SW Pass Mississippi River to Atchafalaya River- GMZ500
838 AM CST Sun Jan 19 2020

A strong cold front will move through the northern gulf this morning allowing high pressure to settle over the north central gulf through much of the week.
Area Forecast Discussion
National Weather Service New Orleans LA
705am CST Sunday Jan 19 2020

.SOUNDINGA frontal passage is noted in the 12z sounding this morning. 950mb winds have shifted from the west to the north and increased in speed to 30 knots over the past 12 hours. This strong north wind has advected in a much colder airmass. Temperatures at 925mb have cooled by around 8C since the previous sounding due to this strong cold air advection. This strong cold air advection should continue through the day.

NOAA New Orleans LA Office: Watches - Warnings - Advisories
LA...None. GM...Small Craft Advisory until noon CST Monday for GMZ536-538-550- 552-555-557-570-572-575-577.

Small Craft Advisory until 3am CST Monday for GMZ530-532-534.

MS...None. GM...Small Craft Advisory until noon CST Monday for GMZ538-550-552- 555-557-570-572-575-577.

Small Craft Advisory until 3am CST Monday for GMZ532-534.