539
FZPN28 KNHC 281510
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
810 AM PDT THU MAY 28 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.
PMZ101-290315-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
810 AM PDT THU MAY 28 2026
SYNOPSIS
A WEAK PRESSURE PATTERN WILL RESULT IN LIGHT TO
GENTLE WINDS THROUGH THE PERIOD. LARGE SW SWELL WILL ENTER THE
WATERS SOUTH OF THE EQUATOR FRI, BRINGING ROUGH SEAS TO THE
WATERS BETWEEN THE GALAPAGOS ISLANDS AND COLOMBIA THROUGH EARLY
SUN BEFORE STARTING TO SUBSIDE. OTHERWISE, LIGHT TO MODERATE
SEAS WILL PREVAIL ACROSS THE FORECAST WATERS INTO EARLY NEXT
WEEK.
PMZ111-290315-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
810 AM PDT THU MAY 28 2026
TODAY
E TO SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH
THE DAY.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH THE NIGHT.
FRI
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW
SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMSTHROUGH THE DAY.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S
TO SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH THE NIGHT.
SAT
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S
SWELL. PERIOD 14 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S
TO SW SWELL. PERIOD 18 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S
TO SW SWELL. PERIOD 16 SECONDS.
PMZ113-290315-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
810 AM PDT THU MAY 28 2026
TODAY
NW TO N WINDS 10 KT, SHIFTING TO W IN THE AFTERNOON.
SEAS 2 TO 4 FT. PERIOD 14 SECONDS. WINDS AND SEAS HIGHER IN
AND NEAR SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS.
TONIGHT
SW TO W WINDS 10 KT, SHIFTING TO NW LATE.
SEAS 2 TO 4 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS AND
THUNDERSTORMS.
FRI
OFFSHORE GULF OF PAPAGAYO, NE WINDS 10 TO 15 KT.
ELSEWHERE, N WINDS 10 KT IN THE MORNING, BECOMING VARIABLE WINDS
LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.
FRI NIGHT
NE TO E WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.
SAT
E WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND VARIABLE
LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S
TO SW SWELL. PERIOD 15 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S
TO SW SWELL. PERIOD 18 SECONDS.
MON
E WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND VARIABLE
LESS THAN 5 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S
TO SW SWELL. PERIOD 16 SECONDS.
PMZ115-290315-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
810 AM PDT THU MAY 28 2026
TODAY
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
TONIGHT
W WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.
FRI
W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
15 SECONDS. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.
SAT
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S
SWELL. PERIOD 14 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S
TO SW SWELL. PERIOD 16 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S
TO SW SWELL. PERIOD 16 SECONDS.
PMZ117-290315-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
810 AM PDT THU MAY 28 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS
N OF 05N.
TONIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED TO NUMEROUS SHOWERS AND
THUNDERSTORMS.
FRI
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
14 SECONDS. NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS THROUGH
THE DAY.
FRI NIGHT
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMSTHROUGH THE NIGHT.
SAT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD
13 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S
TO SW SWELL. PERIOD 15 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND
SW 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
18 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 KT ELSEWHERE. SEAS 5 TO 7 FT IN SW SWELL. PERIOD 17 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 16 SECONDS.
PMZ119-290315-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
810 AM PDT THU MAY 28 2026
TODAY
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
TONIGHT
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
FRI
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, S TO SW
WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD 14 SECONDS.
FRI NIGHT
S TO SW WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
SAT
S TO SW WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
SUN
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 18 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
17 SECONDS.
MON
S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
16 SECONDS.
MON NIGHT
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS.
PMZ121-290315-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
810 AM PDT THU MAY 28 2026
TODAY
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD 14 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
FRI
S WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD
14 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 6 TO 9 FT IN S SWELL. PERIOD
15 SECONDS.
SAT
SE TO S WINDS 10 KT. SEAS 6 TO 9 FT IN S SWELL. PERIOD
14 SECONDS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
SUN
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 18 SECONDS.
SUN NIGHT
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
MON
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
PMZ123-290315-
OFFSHORE GALAPAGOS ISLANDS-
810 AM PDT THU MAY 28 2026
TODAY
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
TONIGHT
S WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
FRI
SE TO S WINDS 10 KT. SEAS 7 TO 10 FT IN S SWELL. PERIOD
16 SECONDS.
FRI NIGHT
SE TO S WINDS 10 KT. SEAS 7 TO 10 FT IN S SWELL.
PERIOD 16 SECONDS.
SAT
SE TO S WINDS 10 KT. SEAS 6 TO 9 FT IN S SWELL. PERIOD
16 SECONDS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
SUN
SE TO S WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
SUN NIGHT
SE TO S WINDS 10 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 15 SECONDS.
MON
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
16 SECONDS.
MON NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 16 SECONDS.
FORECASTER AGUIRRE
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