338
FZUS54 KBRO 301843
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
143 PM CDT SAT MAY 30 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.
GMZ100-310800-
143 PM CDT SAT MAY 30 2026
SYNOPSIS
WEAK PRESSURE SYSTEMS ACROSS THE WESTERN GULF AND THE
TEXAS COAST WILL MAINTAIN GENERALLY LIGHT TO MODERATE WINDS AND
SLIGHT SEAS THROUGH MIDDAY MONDAY. THE DIFFERENCE BETWEEN WEAK LOW
PRESSURE IN THE SOUTHWEST GULF AND GENERAL HIGH PRESSURE IN THE
EASTERN GULF WILL INCREASE SEAS AND SWELL A BIT BY TUESDAY AND
TUESDAY NIGHT, AS MOISTURE HELPS INCREASE SHOWER AND STORM
CHANCES. BY WEDNESDAY, AND ESPECIALLY WEDNESDAY NIGHT THROUGH
THURSDAY NIGHT, A STRONGER HIGH PRESSURE RIDGE WILL BUILD ACROSS
THE OHIO VALLEY WHILE WEAK LOW PRESSURE REMAINS OVER THE SOUTHWEST
GULF. THE INCREASING PRESSURE DIFFERENCE WILL GRADUALLY BUILD SEAS
AND SWELLS DURING THE PERIOD, AND SMALL CRAFT EXERCISE CAUTION OR
SMALL CRAFT ADVISORIES MAY BE NEEDED AT THIS TIME FOR THE GULF
WATERS.
GMZ130-132-135-310800-
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-
143 PM CDT SAT MAY 30 2026
TONIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING 5 TO
10 KNOTS EARLY THIS MORNING. LIGHT CHOP ON THE BAY.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST EARLY IN
THE AFTERNOON, THEN INCREASING TO 10 TO 15 KNOTS LATE IN THE
AFTERNOON. LIGHT CHOP ON THE BAY, INCREASING TO A MODERATE CHOP
LATE IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE
BAY.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. LIGHT CHOP ON THE BAY.
MONDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
AFTER MIDNIGHT. LIGHT CHOP ON THE BAY. A SLIGHT CHANCE OF SHOWERS
TOWARD DAYBREAK.
TUESDAY
EAST WINDS AROUND 5 KNOTS, INCREASING TO 5 TO 10 KNOTS
IN THE AFTERNOON. LIGHT CHOP ON THE BAY. A CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING, THEN A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
TUESDAY 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 CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. LIGHT CHOP ON THE BAY, INCREASING
TO A MODERATE CHOP LATE IN THE AFTERNOON. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
EAST 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 AND THUNDERSTORMS.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP EARLY IN THE MORNING. A SLIGHT CHANCE
OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS TUESDAY THROUGH
THURSDAY NIGHT.
GMZ150-155-310800-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
143 PM CDT SAT MAY 30 2026
TONIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST EARLY
THIS MORNING. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
7 SECONDS.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST LATE IN
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
6 SECONDS.
MONDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET
AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS TOWARD DAYBREAK.
TUESDAY
EAST WINDS AROUND 5 KNOTS, BECOMING 5 TO 10 KNOTS IN
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST 3 FEET AT
6 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST
5 TO 10 KNOTS EARLY IN THE MORNING. SEAS BUILDING TO 3 TO 4 FEET.
A SLIGHT CHANCE OF SHOWERS LATE IN THE EVENING. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. SEAS 3 TO 4 BUILDING TO 4 TO 6
FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS BUILDING TO 5
TO 7 FEET, OCCASIONALLY TO 9 FEET. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS TUESDAY THROUGH
THURSDAY NIGHT.
GMZ170-175-310800-
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-
143 PM CDT SAT MAY 30 2026
TONIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST AFTER
MIDNIGHT. SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
7 SECONDS.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST LATE IN
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
6 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
A SLIGHT CHANCE OF THUNDERSTORMS TOWARD DAYBREAK.
TUESDAY
EAST WINDS 5 TO 10 KNOTS, BECOMING AROUND 10 KNOTS
LATE IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
3 FEET AT 6 SECONDS. A CHANCE OF THUNDERSTORMS IN THE MORNING. A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
EAST WINDS 10 TO 15 KNOTS. SEAS BUILDING TO 5 TO 7
FEET FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL
LATE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET, BUILDING TO 7 TO 9 FEET,
OCCASIONALLY TO 11 FEET AFTER MIDNIGHT. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS MONDAY THROUGH
THURSDAY NIGHT.
52/BSG
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