564
FZUS54 KBRO 041950
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
250 PM CDT SAT APR 4 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.
GMZ100-050830-
250 PM CDT SAT APR 4 2026
SYNOPSIS
MARINE CONDITIONS DETERIORATE LATE TONIGHT INTO
TOMORROW MORNING AS COLD FRONT PASSES THROUGH, BRINGING FRESH TO
STRONG NORTHEASTERLY WINDS AND MODERATE SEAS PERSISTING INTO
MONDAY. THERE IS A LOW PROBABILITY OF STRONG STORMS WITH SMALL
HAIL, GUSTY WINDS AND HEAVY DOWNPOURS AHEAD OF AND ALONG THE
FRONT TONIGHT, FOLLOWED BY A MEDIUM TO LIKELY CHANCE OF RAIN,
HEAVY AT TIMES, CONTINUING THROUGH TOMORROW NIGHT.
GMZ130-132-135-050830-
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-
250 PM CDT SAT APR 4 2026
..SMALL CRAFT EXERCISE CAUTION THROUGH THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
REST OF TODAY
SOUTHEAST WINDS AROUND 15 KNOTS. A MODERATE CHOP
ON THE BAY. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHEAST EARLY IN THE
MORNING. A MODERATE CHOP ON THE BAY, DIMINISHING TO LIGHT CHOP
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE
EVENING AND EARLY MORNING. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING.
SUNDAY
NORTH WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY, INCREASING
TO CHOPPY IN THE AFTERNOON. A CHANCE OF THUNDERSTORMS. SHOWERS.
SUNDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY.
SHOWERS. A CHANCE OF THUNDERSTORMS UNTIL EARLY MORNING, THEN A
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
MONDAY
NORTH WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY. A SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
MONDAY NIGHT
NORTH 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 EARLY IN THE
EVENING, THEN A SLIGHT CHANCE OF SHOWERS IN THE LATE EVENING AND
OVERNIGHT.
TUESDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING AROUND
10 KNOTS LATE IN THE AFTERNOON. LIGHT CHOP ON THE BAY. A SLIGHT
CHANCE OF SHOWERS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING AROUND
5 KNOTS EARLY IN THE MORNING. LIGHT CHOP ON THE BAY, DIMINISHING
TO SMOOTH EARLY IN THE MORNING. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY. A
SLIGHT CHANCE OF SHOWERS.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
EARLY IN THE MORNING. LIGHT CHOP ON THE BAY, DIMINISHING TO
SMOOTH EARLY IN THE MORNING. A SLIGHT CHANCE OF SHOWERS EARLY IN
THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-050830-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
250 PM CDT SAT APR 4 2026
..SMALL CRAFT EXERCISE CAUTION THROUGH THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
REST OF TODAY
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 4 TO 5
FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
TONIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET. WAVE DETAIL: EAST
4 FEET AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. A CHANCE
OF THUNDERSTORMS. SHOWERS LIKELY AFTER MIDNIGHT.
SUNDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTH 6 FEET AT 6 SECONDS. A
CHANCE OF THUNDERSTORMS. SHOWERS.
SUNDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTH 6 FEET AT 6 SECONDS.
SHOWERS WITH A CHANCE OF THUNDERSTORMS.
MONDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTH 6 FEET AT 6 SECONDS. A
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. SHOWERS
LIKELY UNTIL LATE AFTERNOON, THEN A CHANCE OF SHOWERS LATE IN THE
AFTERNOON.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
7 SECONDS. A CHANCE OF SHOWERS UNTIL EARLY MORNING, THEN A SLIGHT
CHANCE OF SHOWERS EARLY IN THE MORNING.
TUESDAY
NORTHEAST WINDS AROUND 10 KNOTS. SEAS 4 TO 5 FEET. A
SLIGHT CHANCE OF SHOWERS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS UNTIL EARLY MORNING, THEN A SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET. A SLIGHT
CHANCE OF SHOWERS.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
EARLY IN THE MORNING. SEAS 3 TO 4 FEET. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-050830-
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-
250 PM CDT SAT APR 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
REST OF TODAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
TONIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS
IN THE EVENING. A SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 6 SECONDS. A CHANCE OF
THUNDERSTORMS. SHOWERS.
SUNDAY NIGHT
NORTHEAST WINDS AROUND 20 KNOTS. SEAS 6 TO
8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTH 6 FEET AT
7 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 SECONDS AND NORTH 3 FEET AT 3 SECONDS. A CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. SHOWERS LIKELY UNTIL LATE
AFTERNOON, THEN A CHANCE OF SHOWERS LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 7 SECONDS. A CHANCE OF
SHOWERS.
TUESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. A CHANCE OF SHOWERS UNTIL LATE AFTERNOON,
THEN A SLIGHT CHANCE OF SHOWERS LATE IN THE AFTERNOON.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS EARLY IN THE MORNING. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 5 FEET. A SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. A CHANCE OF SHOWERS
UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS LATE IN THE
AFTERNOON.
WEDNESDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
EARLY IN THE MORNING. SEAS 4 TO 5 FEET. A SLIGHT CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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