050
FZUS54 KBRO 201419
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
ISSUED BY NATIONAL WEATHER SERVICE SAN JUAN PR
919 AM CDT MON JUL 20 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.
GMZ100-210330-
919 AM CDT MON JUL 20 2026
SYNOPSIS
GENERALLY FAVORABLE MARINE CONDITIONS CAN BE EXPECTED
OVER THE NEXT COUPLE OF DAYS WITH LOW TO MODERATE SEAS. A MODEST
PRESSURE GRADIENT WILL AT TIMES PRODUCE MODERATE WINDS ALONG THE
LOWER TEXAS COAST THROUGH THE FORECAST PERIOD. ALTHOUGH SMALL
CRAFT ADVISORY IS NOT LIKELY TO BE NEEDED, PERIODIC SMALL CRAFT
SHOULD EXERCISE CAUTION IS POSSIBLE, ESPECIALLY FOR THE LAGUNA
MADRE. MARINE CONDITIONS COULD POTENTIALLY BECOME MORE ADVERSE MID
TO LATE WEEK IN RESPONSE TO A TROPICAL SYSTEM TRACKING WESTWARD ALONG
THE NORTHERN GULF COAST.
GMZ130-132-135-210330-
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-
919 AM CDT MON JUL 20 2026
REST OF TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS LATE THIS AFTERNOON. A MODERATE CHOP ON THE BAY,
INCREASING TO CHOPPY LATE THIS AFTERNOON.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH EARLY
IN THE MORNING. A MODERATE CHOP ON THE BAY, DIMINISHING TO LIGHT
CHOP EARLY IN THE MORNING.
TUESDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP EARLY IN THE MORNING.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 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.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP EARLY IN THE MORNING.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. LIGHT CHOP ON THE BAY, INCREASING TO A
MODERATE CHOP IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY. A SLIGHT CHANCE OF
SHOWERS.
FRIDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. A MODERATE CHOP ON THE BAY. A SLIGHT CHANCE OF
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-210330-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
919 AM CDT MON JUL 20 2026
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST
LATE THIS AFTERNOON. SEAS 2 TO 3 FEET.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH EARLY
IN THE MORNING. SEAS 2 TO 3 FEET.
TUESDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING AROUND
10 KNOTS EARLY IN THE MORNING. SEAS 2 TO 3 FEET.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST EARLY
IN THE AFTERNOON, THEN INCREASING TO 10 TO 15 KNOTS LATE IN THE
AFTERNOON. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS LATE IN THE AFTERNOON. SEAS 2 TO 3 FEET.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A
SLIGHT CHANCE OF SHOWERS.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST LATE IN
THE AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS UNTIL
LATE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
GMZ170-175-210330-
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-
919 AM CDT MON JUL 20 2026
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING AROUND 10 KNOTS
LATE IN THE AFTERNOON. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
THURSDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING AROUND 10 KNOTS
LATE IN THE AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A
SLIGHT CHANCE OF SHOWERS.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A SLIGHT
CHANCE OF SHOWERS UNTIL LATE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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