940
FZPN28 KNHC 180906
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
506 AM PDT THU JUN 18 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.
PMZ101-182015-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
506 AM PDT THU JUN 18 2026
SYNOPSIS
GENTLE TO OCCASIONALLY MODERATE S TO SE WINDS AND
MODERATE SEAS WILL PREVAIL ACROSS THE OFFSHORE WATERS BETWEEN
ECUADOR AND THE GALAPAGOS ISLANDS THROUGH AT LEAST SUN NIGHT.
MODERATE WINDS WILL PULSE TO FRESH SPEEDS IN DIURNAL OFFSHORE FLOW
IN THE IMMEDIATE GULF OF PAPAGAYO THROUGH SAT. LIGHT TO GENTLE WINDS
AND SLIGHT TO MODERATE SEAS IN SOUTHWEST SWELL ARE FORECAST
ELSEWHERE THROUGH AT LEAST THE NEXT SEVERAL DAYS.
PMZ111-182015-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
506 AM PDT THU JUN 18 2026
TODAY
VARIABLE WINDS LESS THAN 5 KT, BECOMING E TO SE 10 KT
IN THE AFTERNOON. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
17 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
TONIGHT
E TO SE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
FRI
E WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
FRI NIGHT
E TO SE WINDS 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SAT
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
15 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 14 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 14 SECONDS.
SUN NIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT IN SW SWELL.
PERIOD 14 SECONDS.
MON
E WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
PMZ113-182015-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
506 AM PDT THU JUN 18 2026
TODAY
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
17 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.
TONIGHT
OFFSHORE GULF OF PAPAGAYO, SE WINDS 10 KT. ELSEWHERE,
SE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE WINDS LESS THAN
5 KT. SEAS 3 TO 5 FT IN SW SWELL. PERIOD 16 SECONDS. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
FRI
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 10 TO 15 KT.
ELSEWHERE, SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW SWELL. PERIOD
16 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
FRI NIGHT
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 15 TO
20 KT. ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT, BECOMING NW TO
N 10 KT LATE. SEAS 3 TO 5 FT IN SW SWELL. PERIOD 16 SECONDS.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SAT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15 SECONDS.
SAT NIGHT
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF
PAPAGAYO, AND NE TO E 10 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SUN NIGHT
SE WINDS 10 KT. SEAS 3 TO 5 FT IN SW SWELL. PERIOD
14 SECONDS.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
MON NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
PMZ115-182015-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
506 AM PDT THU JUN 18 2026
TODAY
SE TO S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD
17 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO
SW SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
FRI
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
SAT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 15 SECONDS.
SAT NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT IN SW SWELL.
PERIOD 14 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD
13 SECONDS.
SUN NIGHT
W WINDS 10 KT. SEAS 3 TO 5 FT IN S TO SW SWELL.
PERIOD 12 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S
TO SW SWELL. PERIOD 14 SECONDS.
PMZ117-182015-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
506 AM PDT THU JUN 18 2026
TODAY
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT. VARIABLE
WINDS LESS THAN 5 KT IN THE MORNING. ELSEWHERE, SW TO W WINDS
10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD
17 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD 17
SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
FRI
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE,
S TO SW WINDS 10 KT, SHIFTING TO W IN THE AFTERNOON. SEAS 3 TO
5 FT IN SW SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
FRI NIGHT
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT.
ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT, BECOMING S TO SW 10 KT
LATE. SEAS 3 TO 5 FT IN SW SWELL. PERIOD 17 SECONDS.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SAT
SW WINDS 10 KT. SEAS 3 TO 5 FT IN SW SWELL. PERIOD 15
SECONDS.
SAT NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT IN SW SWELL.
PERIOD 14 SECONDS.
SUN
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT IN SW SWELL. PERIOD
14 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND
SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT IN SW SWELL. PERIOD 13
SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 12 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 15 SECONDS.
PMZ119-182015-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
506 AM PDT THU JUN 18 2026
TODAY
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS
10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 15 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 17 SECONDS.
FRI
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS
10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD 17 SECONDS.
FRI NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 16 SECONDS.
SAT
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
SUN
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
12 SECONDS.
SUN NIGHT
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 12 SECONDS.
MON
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
MON NIGHT
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 16 SECONDS.
PMZ121-182015-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
506 AM PDT THU JUN 18 2026
TODAY
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
13 SECONDS.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 17 SECONDS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 17 SECONDS.
FRI NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 16 SECONDS.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 13 SECONDS.
SAT NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 12 SECONDS.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 13 SECONDS.
SUN NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 12 SECONDS.
MON
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 12 SECONDS.
MON NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
PMZ123-182015-
OFFSHORE GALAPAGOS ISLANDS-
506 AM PDT THU JUN 18 2026
TODAY
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 16 SECONDS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 16 SECONDS.
FRI NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 15 SECONDS.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 12 SECONDS.
SAT NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
SUN NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
FORECASTER AGUIRRE
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