318
FZPN28 KNHC 280312
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
812 PM PDT SUN SEP 27 2026
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.
PMZ101-281515-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
812 PM PDT SUN SEP 27 2026
SYNOPSIS
A RATHER LIGHT PRESSURE GRADIENT WILL MAINTAIN
MODERATE OR WEAKER WINDS OVER THE OFFSHORE WATERS ALONG WITH
MOSTLY MODERATE SEAS THROUGH THE PERIOD.
PMZ111-281515-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
812 PM PDT SUN SEP 27 2026
TONIGHT
S WINDS 10 KT. SEAS 6 TO 9 FT IN SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH
THE NIGHT.
MON
S TO SW WINDS 10 KT. SEAS 6 TO 9 FT IN SW SWELL. PERIOD
16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH
THE DAY.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN SW
SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMSTHROUGH THE NIGHT.
TUE
VARIABLE WINDS LESS THAN 5 KT, BECOMING W 10 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT IN SW TO W SWELL. PERIOD 14 SECONDS.
TUE NIGHT
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN W SWELL.
PERIOD 13 SECONDS.
WED
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN W SWELL. PERIOD
13 SECONDS.
WED NIGHT
W TO NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
THU
W TO NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN W TO NW
SWELL. PERIOD 11 SECONDS.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN W TO NW
SWELL. PERIOD 10 SECONDS.
FRI
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN W TO NW SWELL.
PERIOD 10 SECONDS.
FRI NIGHT
W WINDS 10 KT. SEAS 5 TO 7 FT IN W TO NW SWELL.
PERIOD 11 SECONDS.
PMZ113-281515-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
812 PM PDT SUN SEP 27 2026
TONIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMSTHROUGH THE NIGHT.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMSTHROUGH THE DAY.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT, BECOMING NW TO N
10 KT LATE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH
THE NIGHT.
TUE
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN SW TO W SWELL.
PERIOD 14 SECONDS.
TUE NIGHT
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
WED
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
WED NIGHT
NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
THU
W TO NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
11 SECONDS.
FRI
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 10 SECONDS.
FRI NIGHT
W WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW SWELL.
PERIOD 13 SECONDS.
PMZ115-281515-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
812 PM PDT SUN SEP 27 2026
TONIGHT
NEAR THE AZUERO PENINSULA, W WINDS 10 KT IN THE
EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE,
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW TO W SWELL.
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
THROUGH THE NIGHT.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW TO W
SWELL. PERIOD 16 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
TO W SWELL. PERIOD 15 SECONDS.
TUE
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN W SWELL.
PERIOD 14 SECONDS.
TUE NIGHT
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
WED
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
WED NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
THU
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
THU NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
FRI
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
PMZ117-281515-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
812 PM PDT SUN SEP 27 2026
TONIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 13 SECONDS. SCATTERED THUNDERSTORMS THROUGH THE
NIGHT.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMSTHROUGH THE DAY.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMSTHROUGH THE NIGHT.
TUE
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW TO W 10 KT IN
THE AFTERNOON. SEAS 2 TO 4 FT. PERIOD 15 SECONDS.
TUE NIGHT
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD
14 SECONDS.
WED
SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 14 SECONDS.
WED NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
THU
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
THU NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
FRI
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
FRI NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
PMZ119-281515-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
812 PM PDT SUN SEP 27 2026
TONIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
MON
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS
10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
MON NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
17 SECONDS.
TUE
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
17 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH
THE DAY.
TUE NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
WED
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 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 3 TO 5 FT. PERIOD
14 SECONDS.
THU NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS.
FRI
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
FRI NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS.
PMZ121-281515-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
812 PM PDT SUN SEP 27 2026
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
16 SECONDS.
MON NIGHT
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
17 SECONDS.
TUE
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 17 SECONDS.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
WED
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
WED NIGHT
S WINDS 15 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
THU
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
THU NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS.
FRI
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
PMZ123-281515-
OFFSHORE GALAPAGOS ISLANDS-
812 PM PDT SUN SEP 27 2026
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
17 SECONDS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW TO
W SWELL. PERIOD 17 SECONDS.
TUE
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
16 SECONDS.
TUE NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
WED
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
THU
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
FRI
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN W SWELL. PERIOD
13 SECONDS.
FRI NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW
SWELL. PERIOD 12 SECONDS.
FORECASTER AGUIRRE
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