646 

FZNT02 KNHC 170731
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI APR 17 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

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.

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA

SYNOPSIS VALID 0600 UTC FRI APR 17.
24 HOUR FORECAST VALID 0600 UTC SAT APR 18.
48 HOUR FORECAST VALID 0600 UTC SUN APR 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 14N35W TO 19N35W TO 14N49W TO 15N60W TO 09N59W TO
08N43W TO 14N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED
N AND NE SWELL.
.24 HOUR FORECAST WITHIN 10N41W TO 12N48W TO 11N53W TO 06N54W TO
07N39W TO 10N41W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO
E SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA 48 HOUR FORECAST WITHIN 30N92W TO 30N94W TO
28N97W TO 26N97W TO 28N94W TO 30N92W N TO NE WINDS 20 TO 30 KT.
SEAS LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.






635 

FZPN03 KNHC 170749
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI APR 17 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC FRI APR 17.
24 HOUR FORECAST VALID 0600 UTC SAT APR 18.
48 HOUR FORECAST VALID 0600 UTC SUN APR 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 23N109W TO 23N111W TO 22N111W TO 22N110W TO 21N109W TO
22N108W TO 23N109W...INCLUDING WITHIN 60 NM OF SHORE... NW WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 23N109W TO 23N111W TO 22N111W TO
22N110W TO 21N109W TO 22N108W TO 23N109W...INCLUDING WITHIN 60
NM OF SHORE... NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 30N120W TO 30N125W TO 29N124W TO 29N120W TO 30N120W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 30N120W TO 30N126W TO 29N125W TO
28N122W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0730 UTC FRI APR 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM COASTAL PANAMA NEAR 09N79W TO
05N100W. THE ITCZ BEGINS AT 05N100W TO A 1012 MB LOW NEAR
06N111W, THEN BEYOND 05N140W. SCATTERED MODERATE AND ISOLATED
STRONG CONVECTION IS OCCURRING FROM 03N-08N BETWEEN 90W-135W.
A SOUTHERN HEMISPHERE ITCZ EXTENDS FROM 04S93W TO 03S140W.
ISOLATED MODERATE CONVECTION IS OBSERVED FROM 03S-08S BETWEEN
85W-89W.
$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.