425
FZPN28 KNHC 160244
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
644 PM PST MON DEC 15 2025
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.
PMZ101-161445-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
644 PM PST MON DEC 15 2025
SYNOPSIS
BUILDING HIGH PRESSURE N OF THE CARIBBEAN AND LOWER
PRESSURES NEAR THE MONSOON TROUGH WILL CONTINUE TO SUPPORT
PULSING FRESH TO STRONG EASTERLY TRADE WINDS AND MODERATE SEAS
ACROSS THE GULF OF PAPAGAYO THROUGH MIDWEEK, POSSIBLY RETURNING
FRI NIGHT INTO NEXT WEEKEND. ROUGH SEAS IN THE FAR OFFSHORE
WATERS OF GUATEMALA WILL PERSIST THROUGH TUE DUE TO A GULF OF
TEHUANTEPEC GALE-FORCE GAP EVENT. MODERATE TO FRESH NORTHERLY
WINDS WILL PULSE IN THE GULF OF PANAMA THIS WEEK. GENTLE TO
MODERATE WINDS AND SLIGHT TO MODERATE SEAS WILL PREVAIL
ELSEWHERE.
PMZ111-161445-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
644 PM PST MON DEC 15 2025
TONIGHT
VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO NE 10 KT
LATE. SEAS 7 TO 10 FT IN NW SWELL. PERIOD 13 SECONDS.
TUE
NE TO E WINDS 10 KT. SEAS 7 TO 10 FT IN NW SWELL. PERIOD
16 SECONDS.
TUE NIGHT
N TO NE WINDS 10 KT. SEAS 5 TO 7 FT IN NW SWELL.
PERIOD 14 SECONDS.
WED
NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
FRI
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
SAT
NE TO E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
SAT NIGHT
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN NW SWELL.
PERIOD 10 SECONDS.
PMZ113-161445-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
644 PM PST MON DEC 15 2025
TONIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
16 SECONDS.
TUE
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND
NE TO E 15 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
TUE NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
WED
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
THU NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
12 SECONDS.
SAT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD 11 SECONDS.
SAT NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
11 SECONDS.
PMZ115-161445-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
644 PM PST MON DEC 15 2025
TONIGHT
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 3 TO 5 FT. PERIOD 16 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 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
16 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.
TUE NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW 10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
15 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
WED
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 TO
15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED TSTMS.
WED NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
THU
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
THU NIGHT
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
FRI
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
SAT
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD
11 SECONDS.
PMZ117-161445-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
644 PM PST MON DEC 15 2025
TONIGHT
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD
16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
TUE
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 16 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY.
TUE NIGHT
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD
15 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
WED
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.
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 KT. SEAS 3 TO 5 FT. PERIOD
13 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
12 SECONDS.
SAT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
SAT NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
PMZ119-161445-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
644 PM PST MON DEC 15 2025
TONIGHT
SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 16 SECONDS.
TUE
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, S TO SW
WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 15 SECONDS.
TUE NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
WED
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
WED NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
THU
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
THU NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
FRI NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
SAT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
SAT NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
PMZ121-161445-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
644 PM PST MON DEC 15 2025
TONIGHT
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 16 SECONDS.
TUE
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 15 SECONDS.
TUE NIGHT
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 14 SECONDS.
WED
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
WED NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
THU
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
THU NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
FRI
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
SAT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.
SAT NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.
PMZ123-161445-
OFFSHORE GALAPAGOS ISLANDS-
644 PM PST MON DEC 15 2025
TONIGHT
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
16 SECONDS.
TUE
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.
TUE NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
WED
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
WED NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
THU
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
THU NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
SE TO S WINDS 10 KT ELSEWHERE, AND VARIABLE LESS
THAN 5 KT LEE OF GALAPAGOS ISLANDS. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
SAT
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD
11 SECONDS.
FORECASTER ERA
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