459
FZUS54 KBRO 030921
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
421 AM 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.
GMZ100-032215-
421 AM CDT FRI APR 3 2026
SYNOPSIS
SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH THE
EVENING WITH OCCASIONAL GUSTS TO 20 KTS AND SEAS 4-6 FT. SMALL
CRAFT EXERCISE CAUTION TO SMALL CRAFT ADVISORY CONDITIONS CONTINUE
INTO TOMORROW 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.
GMZ130-132-135-032215-
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-
421 AM CDT FRI APR 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...
..SMALL CRAFT SHOULD EXERCISE CAUTION
TODAY
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
30 KNOTS. CHOPPY ON THE BAY.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
30 KNOTS. CHOPPY ON THE BAY. A SLIGHT CHANCE OF SHOWERS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING AROUND
15 KNOTS LATE IN THE AFTERNOON. A MODERATE CHOP ON THE BAY. A
SLIGHT CHANCE OF SHOWERS EARLY IN THE MORNING. A SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON.
SATURDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
SHOWERS WITH A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE
BAY. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
SUNDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. A CHANCE OF THUNDERSTORMS. SHOWERS.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE
BAY. A CHANCE OF THUNDERSTORMS IN THE MORNING. SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP AFTER MIDNIGHT. A CHANCE OF SHOWERS
UNTIL EARLY MORNING, THEN A SLIGHT CHANCE OF SHOWERS EARLY IN THE
MORNING.
TUESDAY
NORTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY. A SLIGHT
CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
TUESDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST
5 TO 10 KNOTS IN THE LATE EVENING AND OVERNIGHT. A MODERATE CHOP
ON THE BAY, DIMINISHING TO LIGHT CHOP IN THE LATE EVENING AND
OVERNIGHT. A CHANCE OF SHOWERS, MAINLY IN THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-032215-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
421 AM CDT FRI APR 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...
..SMALL CRAFT SHOULD EXERCISE CAUTION
TODAY
SOUTHEAST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS LATE
THIS AFTERNOON. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 5 FEET
AT 7 SECONDS.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
BUILDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET AFTER MIDNIGHT.
WAVE DETAIL: SOUTHEAST 5 FEET AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING AROUND
10 KNOTS LATE IN THE AFTERNOON. SEAS 4 TO 5 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS EARLY
IN THE MORNING. A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
SATURDAY NIGHT
EAST WINDS AROUND 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, INCREASING TO 15 TO
20 KNOTS LATE IN THE AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET, BUILDING TO 6 TO 9 FEET, OCCASIONALLY 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 AROUND 15 KNOTS. SEAS 6 TO
9 FEET, OCCASIONALLY TO 11 FEET, SUBSIDING TO 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET AFTER MIDNIGHT. WAVE DETAIL: NORTHEAST
4 FEET AT 7 SECONDS, BECOMING EAST 5 FEET AT 7 SECONDS. A CHANCE
OF THUNDERSTORMS. SHOWERS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. A CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING. SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. SHOWERS LIKELY EARLY IN THE EVENING, THEN
A CHANCE OF SHOWERS IN THE LATE EVENING AND EARLY MORNING. A
SLIGHT CHANCE OF SHOWERS EARLY IN THE MORNING.
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 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET. A CHANCE OF SHOWERS
UNTIL EARLY MORNING, THEN A SLIGHT CHANCE OF SHOWERS EARLY IN THE
MORNING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-032215-
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-
421 AM CDT FRI APR 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...
..SMALL CRAFT SHOULD EXERCISE CAUTION
TODAY
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT
7 SECONDS.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING AROUND
10 KNOTS LATE IN THE AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT 7 SECONDS. A SLIGHT
CHANCE OF SHOWERS.
SATURDAY NIGHT
EAST WINDS AROUND 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,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
6 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS.
SUNDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET,
OCCASIONALLY TO 11 FEET. WAVE DETAIL: EAST 5 FEET AT 8 SECONDS
AND NORTHEAST 4 FEET AT 5 SECONDS. A CHANCE OF THUNDERSTORMS.
SHOWERS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. A CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING. SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
MONDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. SHOWERS LIKELY EARLY IN THE EVENING, THEN A CHANCE OF
SHOWERS IN THE LATE EVENING AND OVERNIGHT.
TUESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. A CHANCE OF SHOWERS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, BECOMING AROUND
10 KNOTS EARLY IN THE MORNING. SEAS 4 TO 5 FEET. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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