Marine Weather Net

Baffin Bay to Port Mansfield, TX 20 - 60 NM Marine Forecast


TODAY

SE
WINDS
15 - 20
KNOTS

TONIGHT

SE
WINDS
10 - 15
KNOTS

SUNDAY

SE
WINDS
10 - 15
KNOTS

SUNDAY NIGHT

SE
WINDS
15 - 20
KNOTS

The Marine Weather Forecast In Detail:
GMZ175 Forecast Issued: 912 AM CST Sat Dec 14 2024

SMALL CRAFT CAUTION
Today...Southeast Winds 15 To 20 Knots, Becoming South 10 To 15 Knots This Afternoon. Seas 5 To 7 Feet, Occasionally To 9 Feet, Subsiding To 4 To 5 Feet This Afternoon. Wave Detail: Southeast 6 Feet At 8 Seconds, Becoming East 5 Feet At 8 Seconds And South 2 Feet At 6 Seconds. A Slight Chance Of Showers Early This Morning.
Tonight...Southeast Winds 10 To 15 Knots. Seas 5 To 7 Feet, Occasionally To 9 Feet. Wave Detail: East 5 Feet At 8 Seconds And South 2 Feet At 6 Seconds.
Sunday...Southeast Winds 10 To 15 Knots. Seas 4 To 6 Feet, Occasionally To 8 Feet. Wave Detail: East 5 Feet At 8 Seconds And South 2 Feet At 5 Seconds.
Sunday Night...Southeast Winds 15 To 20 Knots. Seas 5 To 7 Feet, Occasionally To 9 Feet. Wave Detail: East 5 Feet At 8 Seconds And South 2 Feet At 5 Seconds.
Monday...Southeast Winds 10 To 15 Knots. Seas 4 To 6 Feet, Occasionally To 8 Feet. Wave Detail: East 5 Feet At 8 Seconds And South 2 Feet At 5 Seconds.
Monday Night...Southeast Winds Around 10 Knots. Seas 4 To 5 Feet. Wave Detail: East 4 Feet At 8 Seconds And South 2 Feet At 5 Seconds. A Slight Chance Of Showers. A Slight Chance Of Thunderstorms Early In The Evening. A Slight Chance Of Thunderstorms After Midnight.
Tuesday...Southeast Winds 5 To 10 Knots. Seas 4 To 5 Feet. A Chance Of Showers, Mainly In The Morning.
Tuesday Night...Southeast Winds Around 10 Knots. Seas 4 To 5 Feet.
Wednesday...Southeast Winds Around 10 Knots, Becoming Northeast In The Afternoon. Seas 3 To 4 Feet. A Chance Of Showers.
Wednesday Night...Northeast Winds 10 To 15 Knots, Becoming North 15 To 20 Knots After Midnight. Seas 4 To 6 Feet, Occasionally To 8 Feet. A Chance Of Showers. A Slight Chance Of Thunderstorms After Midnight. Winds And Seas Higher In And Near Thunderstorms.
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Area Forecast Discussion
...UPDATED National Weather Service Brownsville TX
1120am CST Sat Dec 14 2024

Long Term
(Sunday Night through Friday) Issued at 207am CST Sat Dec 14 2024

The most significant event during this portion of the total forecast will be the late Wednesday night or early Thursday morning passage of a cold front. The approach and passage of this feature will produce isolated to scattered showers with embedded isolated thunderstorms Wednesday and Thursday for the BRO CWFA. Another potential for isolated to scattered convection will exist for Monday night as a weak cold front drops into the CRP CWFA. Otherwise, outside of these two time periods, mainly dry weather is anticipated with a nearly zonal mid-level flow in place.

Temperature-wise, a persistent onshore flow will result in well above normal daytime highs and overnight lows for Sunday night through Wednesday. The frontal passage late Wednesday night or early Thursday morning will lower values to more near normal levels for Thursday and Friday.

Finally, elevated seas, the result of the cold front and an enhanced pressure gradient beforehand, will produce a Moderate to High Risk of rip currents at the local beaches through the entire long term forecast period.

Marine
(Today through Sunday) Issued at 207am CST Sat Dec 14 2024

Light to moderate onshore flow along with moderate seas are expected to persist through Sunday. While the seas are expected to decrease to 4 to 5 feet by the end of the period, winds are expected to remain around 10 to 15 knots, allowing for mostly favorable conditions.

(Sunday Night through Friday) Small Craft Should Exercise Caution and Small Craft Advisory conditions are anticipated along the Lower Texas Coast from Sunday night through Monday due to an enhanced pressure gradient over the western Gulf of Mexico. Improved winds and seas will then develop for Monday night through Wednesday night as the pressure gradient relaxes a bit. However, a return to Small Craft Should Exercise Caution and Small Craft Advisory conditions is possible for Thursday and Friday due to the Thursday morning passage of a cold front.

NOAA Brownsville TX Office: Watches - Warnings - Advisories
TX...High Rip Current Risk through Sunday afternoon for TXZ451-454- 455.

GM...None.