166
FZUS54 KBRO 040520
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1220 AM 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.
GMZ100-041815-
1220 AM CDT SAT APR 4 2026
SYNOPSIS
WHILE FAVORABLE CONDITIONS ARE EXPECTED FOR TODAY WITH
LIGHT TO MODERATE ONSHORE FLOW AND MODERATE SEAS. AN APPROACHING
COLD FRONT IS EXPECTED TO BRING ADVERSE TO HAZARDOUS CONDITIONS
ALONG WITH SHOWERS AND THUNDERSTORMS TO THE LOWER TEXAS COAST.
GMZ130-132-135-041815-
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-
1220 AM CDT SAT APR 4 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST LATE THIS
AFTERNOON. A MODERATE CHOP ON THE BAY. A SLIGHT CHANCE OF SHOWERS
LATE THIS AFTERNOON.
TONIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
NORTHEAST EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP IN THE LATE EVENING AND OVERNIGHT. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
SUNDAY
NORTH WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS LATE IN THE AFTERNOON. A MODERATE CHOP ON THE BAY,
INCREASING TO CHOPPY LATE IN THE AFTERNOON. A CHANCE OF
THUNDERSTORMS. SHOWERS.
SUNDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. SHOWERS WITH A CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING, THEN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE LATE EVENING AND OVERNIGHT.
MONDAY
NORTH WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE BAY.
SHOWERS LIKELY UNTIL LATE AFTERNOON, THEN A CHANCE OF SHOWERS
LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
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 UNTIL EARLY MORNING, THEN A SLIGHT
CHANCE OF SHOWERS EARLY IN THE MORNING.
TUESDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING AROUND
10 KNOTS LATE IN THE AFTERNOON. LIGHT CHOP ON THE BAY. A CHANCE
OF SHOWERS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY.
A CHANCE OF SHOWERS UNTIL EARLY MORNING, THEN A SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING.
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. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-041815-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1220 AM CDT SAT APR 4 2026
TODAY
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING EAST LATE THIS
AFTERNOON. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST EARLY IN
THE MORNING. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT
7 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS 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 5 FEET AT 6 SECONDS. A CHANCE OF THUNDERSTORMS.
SHOWERS.
SUNDAY NIGHT
NORTH 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 5 FEET AT
7 SECONDS. SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
MONDAY
NORTHEAST WINDS AROUND 15 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 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.
TUESDAY
NORTHEAST WINDS AROUND 10 KNOTS. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 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 4 FEET. A SLIGHT
CHANCE OF SHOWERS EARLY IN THE MORNING, THEN A CHANCE OF SHOWERS
IN THE AFTERNOON.
WEDNESDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
AFTER MIDNIGHT. SEAS 4 TO 5 FEET IN THE EVENING. A CHANCE OF
SHOWERS EARLY IN THE EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-041815-
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-
1220 AM CDT SAT APR 4 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST LATE THIS
AFTERNOON. SEAS 4 TO 6 FEET. WAVE DETAIL: SOUTHEAST 6 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 CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY 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 5 FEET AT
7 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: NORTHEAST 6 FEET AT
6 SECONDS. SHOWERS. A CHANCE OF THUNDERSTORMS, MAINLY IN THE
EVENING.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SHOWERS LIKELY 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. WAVE DETAIL: NORTHEAST 6 FEET AT 8 SECONDS. 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. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS.
WEDNESDAY
NORTHEAST WINDS AROUND 10 KNOTS. SEAS 4 TO 5 FEET. 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 IN THE EVENING. A SLIGHT
CHANCE OF SHOWERS EARLY IN THE EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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