355
FZPN28 KNHC 160037
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
537 PM PDT SAT AUG 15 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.
PMZ101-161245-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
537 PM PDT SAT AUG 15 2026
SYNOPSIS
THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER THE
WESTERN CARIBBEAN AND RELATIVELY LOWER PRESSURE OVER CENTRAL
AMERICA WILL LEAD TO FRESH TO STRONG NORTHEAST TO EAST GAP WINDS
OVER THE GULF OF PAPAGAYO REGION THROUGH SUN NIGHT BEFORE
WEAKENING EARLY NEXT WEEK WITH WINDS DIMINISHING TO MODERATE TO
FRESH THERE. MODERATE TO FRESH SOUTHERLY WINDS WILL PULSE SOUTH
OF THE MONSOON TROUGH THROUGH MON. LARGE SOUTHERLY SWELL WILL
IMPACT THE WATERS MAINLY FROM ECUADOR TO THE GALAPAGOS ISLANDS
THROUGH THE NEXT SEVERAL DAYS, LARGEST EXPECTED BY AROUND THE
MIDDLE PORTION OF THE UPCOMING WEEK.
PMZ111-161245-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
537 PM PDT SAT AUG 15 2026
TONIGHT
W TO NW WINDS 10 KT, BECOMING VARIABLE WINDS LESS
THAN 5 KT, THEN, BECOMING NE 10 KT LATE. SEAS 5 TO
7 FT IN SW SWELL. PERIOD 15 SECONDS.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
SUN NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 14 SECONDS.
MON
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
TUE
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 12 SECONDS.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 11 SECONDS.
PMZ113-161245-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
537 PM PDT SAT AUG 15 2026
TONIGHT
NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN S SWELL.
PERIOD 16 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH
THE NIGHT.
SUN
NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN E TO SE
SWELL. PERIOD 15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS
THROUGH THE DAY.
SUN NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
TUE
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
TUE NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
WED
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
14 SECONDS.
WED NIGHT
SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
THU
NE TO E WINDS 20 KT OFFSHORE GULF OF PAPAGAYO, AND E
10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT. PERIOD 13 SECONDS.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
12 SECONDS.
PMZ115-161245-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
537 PM PDT SAT AUG 15 2026
TONIGHT
W TO NW WINDS 10 KT NEAR THE AZUERO PENINSULA, AND SW
TO W 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
16 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS.
SUN
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS
THROUGH THE NIGHT.
MON
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS
THROUGH THE DAY.
MON NIGHT
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 12 SECONDS.
TUE
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND S TO SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 12 SECONDS.
TUE NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S
TO SW SWELL. PERIOD 12 SECONDS.
WED
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
WED NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S
TO SW SWELL. PERIOD 12 SECONDS.
THU
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
THU NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S
TO SW SWELL. PERIOD 11 SECONDS.
PMZ117-161245-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
537 PM PDT SAT AUG 15 2026
TONIGHT
SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SW
SWELL. PERIOD 16 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS
THROUGH THE NIGHT.
SUN
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE
DAY.
SUN NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD
14 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE
NIGHT.
MON
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE
DAY.
MON NIGHT
SW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
13 SECONDS.
TUE
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 14 SECONDS.
TUE NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 14 SECONDS.
WED
W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
WED NIGHT
W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
THU
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
13 SECONDS.
THU NIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND
SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
12 SECONDS.
PMZ119-161245-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
537 PM PDT SAT AUG 15 2026
TONIGHT
S TO SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SW
SWELL. PERIOD 15 SECONDS.
SUN
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
SUN NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 14 SECONDS.
MON
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
TUE
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 14 SECONDS.
TUE NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO
SW SWELL. PERIOD 14 SECONDS.
WED
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
WED NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
THU
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 11 SECONDS.
THU NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 10 SECONDS.
PMZ121-161245-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
537 PM PDT SAT AUG 15 2026
TONIGHT
S WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 14 SECONDS.
SUN
S WINDS 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
14 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 14 SECONDS.
MON
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
TUE
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
TUE NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
WED
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 11 SECONDS.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 10 SECONDS.
THU NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 10 SECONDS.
PMZ123-161245-
OFFSHORE GALAPAGOS ISLANDS-
537 PM PDT SAT AUG 15 2026
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
MON
SE TO S WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
TUE
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S SWELL.
PERIOD 12 SECONDS.
TUE NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S
SWELL. PERIOD 11 SECONDS.
WED
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S SWELL.
PERIOD 10 SECONDS.
WED NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S
SWELL. PERIOD 10 SECONDS.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 10 SECONDS.
THU NIGHT
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 10 SECONDS.
FORECASTER LEWITSKY
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