Coastal Waters Forecast
Issued by NWS Brownsville, TX

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000
FZUS54 KBRO 220252
CWFBRO

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
852 PM CST SAT JAN 21 2017

LOWER TEXAS COASTAL WATERS FROM BAFFIN BAY TO THE MOUTH OF THE
RIO GRANDE OUT TO 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

GMZ100-221030-
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-
852 PM CST SAT JAN 21 2017

.SYNOPSIS...DANGEROUS MARINE CONDITIONS ARE ANTICIPATED STARTING
LATER TONIGHT AND LASTING THROUGH THE REMAINDER OF THE WEEKEND
COURTESY OF THE PASSAGE OF A STRONG COLD FRONT. MARINERS ARE URGED
TO TAKE THE EXPECTED CONDITIONS INTO CONSIDERATION WHEN PLANNING
EXCURSIONS ALONG THE LOWER TEXAS COAST TONIGHT AND SUNDAY. ALTHOUGH
WIND AND SEA CONDITIONS WILL RAPIDLY IMPROVE MONDAY...THEY WILL
RAPIDLY DETERIORATE SOON AFTERWARDS AND REMAIN ADVERSE FOR A FEW
DAYS DUE TO STRONG HIGH PRESSURE AND LOW PRESSURE INTERACTION AND
THE PASSAGE OF ANOTHER COLD FRONT.

$$

GMZ130-132-135-221030-
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-
852 PM CST SAT JAN 21 2017

...GALE WARNING IN EFFECT FROM 3 AM CST SUNDAY THROUGH SUNDAY
AFTERNOON...

.REST OF TONIGHT...SOUTHEAST WINDS 9 TO 12 KNOTS SHIFTING
SOUTHWEST 7 TO 10 KNOTS LATE IN THE EVENING, THEN BECOMING
NORTHWEST 15 TO 20 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE
BAY SUBSIDING TO A LIGHT CHOP ON THE BAY LATE IN THE EVENING, THEN
BUILDING TO CHOPPY BAY WATERS AFTER MIDNIGHT.
.SUNDAY...NORTHWEST WINDS 17 TO 22 KNOTS INCREASING TO 24 TO 29
KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN DIMINISHING TO
19 TO 24 KNOTS LATE IN THE AFTERNOON. ROUGH BAY WATERS BUILDING TO
VERY ROUGH BAY WATERS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN SUBSIDING TO ROUGH BAY WATERS LATE IN THE AFTERNOON.
.SUNDAY NIGHT...NORTHWEST WINDS 14 TO 19 KNOTS DIMINISHING TO 7
TO 10 KNOTS. CHOPPY BAY WATERS SUBSIDING TO A LIGHT CHOP ON THE
BAY.
.MONDAY...NORTHWEST WINDS 7 TO 8 KNOTS EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHWEST AROUND 7 KNOTS EARLY IN
THE AFTERNOON SHIFTING SOUTHEAST 7 TO 10 KNOTS. A LIGHT CHOP ON
THE BAY SUBSIDING TO SMOOTH BAY WATERS LATE IN THE MORNING, THEN
BUILDING TO A LIGHT CHOP ON THE BAY IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 13 TO
16 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY.
.TUESDAY...SOUTH WINDS 14 TO 18 KNOTS INCREASING TO 17 TO
22 KNOTS IN THE LATE MORNING AND AFTERNOON. CHOPPY BAY WATERS
BUILDING TO ROUGH BAY WATERS IN THE LATE MORNING AND AFTERNOON.
.TUESDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS. CHOPPY BAY WATERS.
.WEDNESDAY...NORTH WINDS 12 TO 17 KNOTS. A MODERATE CHOP ON THE
BAY.
.WEDNESDAY NIGHT...NORTH WINDS 13 TO 17 KNOTS. A MODERATE CHOP ON
THE BAY.
.THURSDAY...NORTHEAST WINDS 12 TO 17 KNOTS. A MODERATE CHOP ON
THE BAY.
.THURSDAY NIGHT...EAST WINDS 8 TO 13 KNOTS. A MODERATE CHOP ON
THE BAY.

$$

GMZ150-155-221030-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
852 PM CST SAT JAN 21 2017

...GALE WARNING IN EFFECT FROM 3 AM CST SUNDAY THROUGH SUNDAY
AFTERNOON...

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 13 KNOTS SHIFTING
SOUTHWEST 8 TO 12 KNOTS LATE IN THE EVENING, THEN BECOMING
NORTHWEST 17 TO 22 KNOTS AFTER MIDNIGHT INCREASING TO 21 TO 26
KNOTS LATE IN THE NIGHT. SEAS 2 TO 4 FEET BUILDING TO 7 TO 9 FEET
WITH OCCASIONAL SEAS UP TO 11 FEET AFTER MIDNIGHT.
.SUNDAY...NORTHWEST WINDS 23 TO 28 KNOTS INCREASING TO 26 TO
31 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN
DIMINISHING TO 22 TO 27 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO
42 KNOTS UNTIL LATE AFTERNOON. SEAS 9 TO 11 FEET WITH OCCASIONAL
SEAS UP TO 14 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 18 TO 23 KNOTS BECOMING NORTH
9 TO 14 KNOTS. SEAS 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO
10 FEET SUBSIDING TO 4 TO 6 FEET WITH OCCASIONAL SEAS UP TO
8 FEET AFTER MIDNIGHT.
.MONDAY...NORTHWEST WINDS 7 TO 12 KNOTS IN THE MORNING BECOMING
LIGHT, THEN BECOMING SOUTH 7 TO 10 KNOTS LATE IN THE AFTERNOON.
SEAS 2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 10 TO 14 KNOTS INCREASING TO 15 TO
19 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY...SOUTH WINDS 18 TO 23 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 9 FEET.
.TUESDAY NIGHT...SOUTH WINDS 17 TO 22 KNOTS. SEAS 5 TO 7 FEET
WITH OCCASIONAL SEAS UP TO 9 FEET.
.WEDNESDAY...NORTH WINDS 14 TO 19 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 16 TO 20 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET.
.THURSDAY...NORTHEAST WINDS 16 TO 21 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 9 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7
FEET WITH OCCASIONAL SEAS UP TO 9 FEET.

$$

GMZ170-175-221030-
WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO
60 NM-
WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO
60 NM-
852 PM CST SAT JAN 21 2017

...GALE WARNING IN EFFECT FROM 3 AM CST SUNDAY THROUGH SUNDAY
AFTERNOON...

.REST OF TONIGHT...SOUTH WINDS 8 TO 13 KNOTS INCREASING TO 9 TO
14 KNOTS LATE IN THE EVENING, THEN BECOMING WEST 17 TO 22 KNOTS
AFTER MIDNIGHT BECOMING NORTHWEST 26 TO 31 KNOTS WITH GUSTS TO
AROUND 42 KNOTS LATE IN THE NIGHT. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET BUILDING TO 8 TO 10 FEET WITH
OCCASIONAL SEAS UP TO 13 FEET AFTER MIDNIGHT.
.SUNDAY...NORTHWEST WINDS 29 TO 34 KNOTS DIMINISHING TO 26 TO
31 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 46 KNOTS UNTIL LATE
AFTERNOON. SEAS 10 TO 12 FEET WITH OCCASIONAL SEAS UP TO 15 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 23 TO 28 KNOTS BECOMING NORTH
13 TO 18 KNOTS. SEAS 7 TO 9 FEET WITH OCCASIONAL SEAS UP TO
11 FEET SUBSIDING TO 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO
9 FEET AFTER MIDNIGHT.
.MONDAY...NORTH WINDS 11 TO 16 KNOTS BECOMING NORTHWEST 7 TO
10 KNOTS LATE IN THE MORNING, THEN BECOMING LIGHT EARLY IN THE
AFTERNOON BECOMING SOUTHWEST 7 TO 9 KNOTS LATE IN THE AFTERNOON.
SEAS 3 TO 5 FEET WITH OCCASIONAL SEAS UP TO 6 FEET SUBSIDING TO 1
TO 3 FEET IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 11 TO 16 KNOTS INCREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET WITH OCCASIONAL SEAS UP
TO 6 FEET.
.TUESDAY...SOUTH WINDS 18 TO 23 KNOTS. SEAS 6 TO 8 FEET WITH
OCCASIONAL SEAS UP TO 10 FEET.
.TUESDAY NIGHT...SOUTH WINDS 18 TO 23 KNOTS. SEAS 6 TO 8 FEET
WITH OCCASIONAL SEAS UP TO 10 FEET.
.WEDNESDAY...NORTHWEST WINDS 14 TO 19 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF RAIN.
.WEDNESDAY NIGHT...NORTH WINDS 18 TO 23 KNOTS. SEAS 5 TO 7 FEET
WITH OCCASIONAL SEAS UP TO 9 FEET.
.THURSDAY...NORTHEAST WINDS 18 TO 23 KNOTS. SEAS 6 TO 8 FEET WITH
OCCASIONAL SEAS UP TO 10 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 12 TO 17 KNOTS. SEAS 6 TO 8
FEET WITH OCCASIONAL SEAS UP TO 10 FEET.

$$


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