387
FZPN28 KNHC 161615
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
915 AM PDT SUN AUG 16 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.
PMZ101-170415-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
915 AM PDT SUN AUG 16 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 TONIGHT BEFORE
WEAKENING TO MODERATE TO FRESH THROUGH TUE, THEN BACK TO FRESH
TO STRONG THEREAFTER. 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 NEXT WEEK.
PMZ111-170415-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
915 AM PDT SUN AUG 16 2026
TODAY
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SE TO S
SWELL. PERIOD 14 SECONDS.
MON
E TO SE WINDS 10 TO 15 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 5 TO 7 FT IN SW
SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
TUE
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. 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 SE TO S
SWELL. PERIOD 12 SECONDS.
THU
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
12 SECONDS.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 11 SECONDS.
PMZ113-170415-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
915 AM PDT SUN AUG 16 2026
TODAY
E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN E TO SE SWELL.
PERIOD 15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH
THE DAY.
TONIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
MON
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
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. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
TUE
NE TO E WINDS 20 KT OFFSHORE GULF OF PAPAGAYO, AND E
10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
TUE NIGHT
NE TO E WINDS 25 KT OFFSHORE GULF OF PAPAGAYO, AND
E 15 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT. PERIOD 13 SECONDS.
WED
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 12 SECONDS.
WED NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
12 SECONDS.
THU
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
12 SECONDS.
THU NIGHT
SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
12 SECONDS.
PMZ115-170415-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
915 AM PDT SUN AUG 16 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT
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.
MON
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD
14 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE
DAY.
MON NIGHT
NEAR THE AZUERO PENINSULA, W TO NW WINDS 10 KT IN
THE EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE,
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
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 3 TO 5 FT IN S
TO SW SWELL. PERIOD 12 SECONDS.
WED
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND S TO SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. 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.
PMZ117-170415-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
915 AM PDT SUN AUG 16 2026
TODAY
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH
THE DAY.
TONIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE
NIGHT.
MON
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE DAY.
MON NIGHT
GULF OF PANAMA, SW TO W WINDS 10 KT IN THE EVENING,
BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, S TO SW WINDS
10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 14 SECONDS. SCATTERED
SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
TUE
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 14 SECONDS.
TUE NIGHT
W TO NW WINDS 10 KT. SEAS 3 TO 5 FT. 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 4 TO 6 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
THU
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
THU NIGHT
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
PMZ119-170415-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
915 AM PDT SUN AUG 16 2026
TODAY
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
TONIGHT
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 15 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 8 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 5 TO 7 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
THU
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 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.
PMZ121-170415-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
915 AM PDT SUN AUG 16 2026
TODAY
S WINDS 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD 14
SECONDS.
TONIGHT
S WINDS 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
14 SECONDS.
MON
S WINDS 10 TO 15 KT. SEAS 5 TO 7 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 15 SECONDS.
TUE
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
TUE NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 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 5 TO 7 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.
PMZ123-170415-
OFFSHORE GALAPAGOS ISLANDS-
915 AM PDT SUN AUG 16 2026
TODAY
S WINDS 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD
14 SECONDS.
TONIGHT
SE TO 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 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
SWELL. PERIOD 15 SECONDS.
TUE
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S SWELL.
PERIOD 12 SECONDS.
TUE NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S
SWELL. PERIOD 11 SECONDS.
WED
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 10 SECONDS.
WED NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 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 5 TO 7 FT IN S SWELL.
PERIOD 10 SECONDS.
FORECASTER KONARIK
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