547
FZPN28 KNHC 091628
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
928 AM PDT TUE SEP 9 2025
OFFSHORE WATERS FORECAST FOR THE E PACIFIC WITHIN 250 NM OF
CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
PMZ101-100430-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
928 AM PDT TUE SEP 9 2025
SYNOPSIS
MODERATE TO FRESH SE TO S WINDS AND MODERATE SEAS
WILL OCCUR OVER THE WATERS OFFSHORE OF EL SALVADOR AND GUATEMALA
THROUGH WED MORNING AS A TROPICAL WAVE MOVES WESTWARD SOUTH OF
SOUTHERN MEXICO. ELSEWHERE, MODERATE TO LOCALLY FRESH SE TO SW
WINDS AND MODERATE SEAS IN SW SWELL WILL OCCUR SOUTH OF THE
MONSOON TROUGH THIS WEEK. MODERATE NE GAP WINDS WILL PULSE IN THE
GULF OF PAPAGAYO BY LATE WEEK. LOOKING AHEAD, A LONG-PERIOD SW
SWELL WILL LEAD TO ROUGH SEAS OVER THE SOUTH AMERICA WATERS THIS
WEEKEND.
PMZ111-100430-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
928 AM PDT TUE SEP 9 2025
TODAY
E WINDS 10 TO 20 KT IN THE AFTERNOON. SEAS 5 TO 7 FT IN
SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE DAY.
TONIGHT
E TO SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
WED
S TO SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
WED NIGHT
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
THU
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
THU NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 14 SECONDS.
FRI
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 15 SECONDS.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 14 SECONDS.
SAT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S
TO SW SWELL. PERIOD 14 SECONDS.
PMZ113-100430-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
928 AM PDT TUE SEP 9 2025
TODAY
SW WINDS 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE DAY.
TONIGHT
OFFSHORE GULF OF PAPAGAYO, VARIABLE WINDS LESS THAN
5 KT, BECOMING N 10 KT LATE. ELSEWHERE, SW TO W WINDS 10 KT.
SEAS 4 TO 6 FT IN SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE NIGHT.
WED
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
16 SECONDS.
WED NIGHT
NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
THU NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
FRI
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
15 SECONDS.
FRI NIGHT
SE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 14 SECONDS.
SAT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
PMZ115-100430-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
928 AM PDT TUE SEP 9 2025
TODAY
SW TO W WINDS 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT IN
S SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE DAY.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND W 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
WED
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
WED NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
THU
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
12 SECONDS.
THU NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN
S TO SW SWELL. PERIOD 12 SECONDS.
FRI
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
13 SECONDS.
FRI NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
PMZ117-100430-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
928 AM PDT TUE SEP 9 2025
TODAY
W WINDS 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 19 SECONDS.
TONIGHT
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
WED
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT, BECOMING W
TO NW 10 KT IN THE AFTERNOON. ELSEWHERE, SW TO W WINDS 10 TO
15 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 17 SECONDS. SCATTERED
SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
WED NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
THU
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
FRI NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
PMZ119-100430-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
928 AM PDT TUE SEP 9 2025
TODAY
SW WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.
PERIOD 17 SECONDS.
TONIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
WED
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
WED NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
THU
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
THU NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
FRI
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
FRI NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 14 SECONDS.
SAT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 13 SECONDS.
SAT NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 16 SECONDS.
PMZ121-100430-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
928 AM PDT TUE SEP 9 2025
TODAY
S WINDS 10 KT IN THE AFTERNOON. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 17 SECONDS.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
WED
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD 15 SECONDS.
WED NIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
14 SECONDS.
THU
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS.
FRI
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
14 SECONDS.
FRI NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 14 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 16 SECONDS.
PMZ123-100430-
OFFSHORE GALAPAGOS ISLANDS-
928 AM PDT TUE SEP 9 2025
TODAY
SE TO S WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO
7 FT IN SW SWELL. PERIOD 16 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 15 SECONDS.
WED
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD
14 SECONDS.
WED NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 15 SECONDS.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
FORECASTER ADAMS
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