138
FZUS54 KBRO 031749
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1249 PM CDT FRI APR 3 2026
LOWER TEXAS COASTAL WATERS FROM BAFFIN BAY TO THE MOUTH OF THE
RIO GRANDE OUT 60 NM.
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST
1/3 OF THE WAVES, ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE
HIGHEST 10 PERCENT OF THE WAVES.
GMZ100-040615-
1249 PM CDT FRI APR 3 2026
SYNOPSIS
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO
DEVELOP THIS AFTERNOON AS THE PRESSURE GRADIENT REMAINS TIGHT IN
RESPONSE TO A DEEPENING UPPER LEVEL SYSTEM. A COLD FRONT
APPROACHES THIS WEEKEND, BRINGING INCREASED RAIN/STORM CHANCES,
ROUGH SEAS, AND ELEVATED WINDS. A SMALL CRAFT ADVISORY IS LIKELY
THIS WEEKEND.
GMZ130-132-135-040615-
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO-
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX-
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX-
1249 PM CDT FRI APR 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS THIS
EVENING. CHOPPY ON THE BAY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
EAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY BECOMING
LIGHT CHOP AFTER MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. SHOWERS. A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE
BAY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. SHOWERS. A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE
BAY. SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY BECOMING
LIGHT CHOP AFTER MIDNIGHT. A CHANCE OF SHOWERS, MAINLY IN THE
EVENING.
TUESDAY
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. LIGHT CHOP ON THE BAY BECOMING A
MODERATE CHOP IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY BECOMING
LIGHT CHOP AFTER MIDNIGHT. A CHANCE OF SHOWERS, MAINLY IN THE
EVENING.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY. A
SLIGHT CHANCE OF SHOWERS.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON
THE BAY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-040615-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1249 PM CDT FRI APR 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET BUILDING TO 5 TO
7 FEET, WITH OCCASIONAL SEAS UP TO 8 FEET AFTER MIDNIGHT. WAVE
DETAIL: SOUTHEAST 5 FEET AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: SOUTHEAST 5 FEET AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS
IN THE AFTERNOON.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET.
WAVE DETAIL: EAST 4 FEET AT 7 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. SHOWERS. A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET, WITH
OCCASIONAL SEAS UP TO 8 FEET BUILDING TO 6 TO 9 FEET, WITH
OCCASIONAL SEAS UP TO 11 FEET IN THE AFTERNOON. WAVE DETAIL: EAST
4 FEET AT 7 SECONDS BECOMING NORTHEAST 4 FEET AT 6 SECONDS.
SHOWERS WITH A CHANCE OF THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 6 TO 9 FEET,
WITH OCCASIONAL SEAS UP TO 11 FEET SUBSIDING TO 5 TO 7 FEET, WITH
OCCASIONAL SEAS UP TO 8 FEET AFTER MIDNIGHT. WAVE DETAIL:
NORTHEAST 4 FEET AT 7 SECONDS BECOMING EAST 5 FEET AT 7 SECONDS.
SHOWERS WITH A CHANCE OF THUNDERSTORMS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET, WITH
OCCASIONAL SEAS UP TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
SHOWERS LIKELY.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, WITH OCCASIONAL SEAS
UP TO 7 FEET. A CHANCE OF SHOWERS, MAINLY IN THE EVENING.
TUESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET. A
SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS
IN THE AFTERNOON.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF SHOWERS, MAINLY IN THE EVENING.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. A SLIGHT
CHANCE OF SHOWERS.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 4 TO
5 FEET IN THE EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-040615-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM
20 TO 60 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM
20 TO 60 NM-
1249 PM CDT FRI APR 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET, WITH
OCCASIONAL SEAS UP TO 8 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT
7 SECONDS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET, WITH OCCASIONAL SEAS
UP TO 8 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT 7 SECONDS. A
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 5 FEET.
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 6 TO 8 FEET, WITH
OCCASIONAL SEAS UP TO 9 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
6 SECONDS. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET,
WITH OCCASIONAL SEAS UP TO 11 FEET. WAVE DETAIL: EAST 5 FEET AT
8 SECONDS AND NORTHEAST 4 FEET AT 5 SECONDS. SHOWERS WITH A
CHANCE OF THUNDERSTORMS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET, WITH
OCCASIONAL SEAS UP TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
SHOWERS.
MONDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS DECREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, WITH OCCASIONAL
SEAS UP TO 7 FEET. A CHANCE OF SHOWERS.
TUESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET, WITH
OCCASIONAL SEAS UP TO 7 FEET. A CHANCE OF SHOWERS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 5 FEET. A SLIGHT
CHANCE OF SHOWERS.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET IN THE EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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