Gap Winds Forecast



December 22, 2024, 3:01 am (UTC: -05:00)
Subject: Gap Winds Forecast


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This forecast has not been reviewed. It was generated from an automatic model.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
40 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 16N94W TO 16N96W TO
12N97W TO 14N95W TO 12N95W TO 14N94W TO 16N94W N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 13N94W TO
12N97W TO 15N97W TO 12N100W TO 07N104W TO 08N97W TO 13N94W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN
14N94W TO 16N94W TO 16N96W TO 14N97W TO 13N97W TO 12N95W TO
14N94W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. WITHIN 13N95W
TO 13N97W TO 11N101W TO 08N101W TO 07N96W TO 09N94W TO 13N95W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.30 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 30 KT. SEAS TO 8 FT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 06N91W TO 06N104W. ITCZ FROM
06N104W TO 07N123W TO BEYOND 06N140W. WIDELY SCATTERED MODERATE
FROM 03N TO 09N BETWEEN 77W AND 98W.

THE MONSOON TROUGH EXTENDS FROM 09N84W TO 06N91W TO 06N104W.
THE ITCZ EXTENDS FROM 06N104W TO 07N123W TO BEYOND 06N140W.
WIDELY SCATTERED MODERATE CONVECTION IS NOTED FROM 03N TO 09N
BETWEEN 77W AND 98W.

THE PRESSURE GRADIENT BETWEEN A SURFACE RIDGE OVER THE
NORTHWESTERN CARIBBEAN SEA AND THE EPAC MONSOON TROUGH IS
SUPPORTING FRESH TO STRONG NE GAP WINDS AND SEAS OF 5 TO 7 FT IN
THE PAPAGAYO REGION. LIGHT TO GENTLE WINDS PREVAIL ELSEWHERE N
OF THE MONSOON TROUGH, EXCEPT WELL OFFSHORE GUATEMALA WHERE
MODERATE TO FRESH WINDS ARE DOWNWIND FROM A GULF OF TEHUANTEPEC
GAP WIND EVENT, WITH SIMILAR WINDS NEAR THE GULF OF FONSECA.
SOUTH OF THE MONSOON TROUGH, GENTLE TO MODERATE SOUTHERLY WINDS
AND 3 TO 5 FT SEAS IN MODERATE S TO SW SWELL PREVAIL, MIXED WITH
NW SWELL FROM THE GULF OF TEHUANTEPEC GAP WIND EVENT. ACTIVE
CONVECTION IS PRESENT OFFSHORE PANAMA AND COSTA RICA AS
DESCRIBED IN THE MONSOON TROUGH/ITCZ SECTION ABOVE.
PLEASE READ THE SPECIAL FEATURES SECTION ABOUT LARGE NW SWELL
OVER THE WATERS NORTH OF THE ITCZ/MONSOON TROUGH THROUGH THE
NEXT SEVERAL DAYS.
A FRONTAL BOUNDARY IS JUST NORTH OF THE WATERS WITH FRESH TO
STRONG SW WINDS CREEPING JUST NORTHWEST OF 30N140W. HIGH
PRESSURE AT 1025 MB IS AHEAD OF THE FRONT OVER OUR AREA NEAR
26.5N128W PER A RECENT ASCAT SCATTEROMETER PASS. LIGHT TO GENTLE
ANTICYCLONIC WINDS ARE ELSEWHERE NORTH OF 22N AND EAST OF THE
FRONT TO 123W. THE PRESSURE GRADIENT BETWEEN THE AREA OF HIGH
PRESSURE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS
SUPPORTING MODERATE TO FRESH WINDS NORTH OF THE ITCZ TO 22N AND
WEST OF 118W PER RECENT ASCAT SCATTEROMETER DATA, LOCALLY TO
STRONG. ACROSS THE REMAINDER OF THE OPEN WATERS, INCLUDING SOUTH
OF THE ITCZ, GENTLE TO MODERATE TRADES PREVAIL. ASIDE FROM THE
LARGE SWELL DISCUSSED ABOVE, SEAS ARE MAINLY IN THE 5 TO 8 FT
RANGE.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
HIGH PRESSURE OVER EASTERN MEXICO AND LOW PRESSURE WITHIN THE
EASTERN NORTH PACIFIC MONSOON TROUGH WILL SUPPORT GALE-FORCE GAP
WINDS IN THE GULF OF TEHUANTEPEC THROUGH TONIGHT. SEAS DURING
THE WARNING EVENT WILL PEAK AT 12 TO 15 FT. THE HIGH PRESSURE
WILL SHIFT EAST BY EARLY MON, WITH THE PRESSURE GRADIENT
LOOSENING. THIS WILL DIMINISH WINDS BELOW GALE FORCE EARLY MON
WITH FRESH TO STRONG NORTHERLY PULSES THEREAFTER INTO MID-WEEK.
PLEASE SEE THE LATEST NWS HIGH SEAS AND OFFSHORE WATERS FORECASTS
ISSUED BY THE NATIONAL HURRICANE CENTER AT WEBSITE:
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND
WWW.NHC.NOAA.GOV/MARINE/OFFSHORES_EASTPAC.PHP FOR MORE
DETAILS.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE
OVER THE WESTERN CARIBBEAN AND THE EASTERN NORTH PACIFIC MONSOON
TROUGH WILL SUPPORT PULSING FRESH TO STRONG NE GAP WINDS IN THE
PAPAGAYO REGION INTO EARLY WED, THEN MODERATE TO FRESH
THEREAFTER. GALES IN THE TEHUANTEPEC REGION WILL SUPPORT
NORTHERLY SWELL AND ROUGH SEAS WELL OFFSHORE GUATEMALA THROUGH
THE REMAINDER OF THE WEEKEND. ELSEWHERE, WINDS WILL BE MODERATE
OR WEAKER WITH MODERATE SEAS THROUGH MID-WEEK, PULSING TO
MODERATE TO FRESH IN THE GULF OF PANAMA AT TIMES. SEAS MAY BUILD
MID-WEEK IN NW SWELL.

GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
HIGH PRESSURE OVER EASTERN MEXICO AND LOW PRESSURE WITHIN THE
EASTERN NORTH PACIFIC MONSOON TROUGH WILL SUPPORT GALE-FORCE GAP
WINDS IN THE GULF OF TEHUANTEPEC THROUGH TONIGHT. SEAS DURING
THE WARNING EVENT WILL PEAK AT 12 TO 15 FT. THE HIGH PRESSURE
WILL SHIFT EAST BY EARLY MON, WITH THE PRESSURE GRADIENT
LOOSENING. THIS WILL DIMINISH WINDS BELOW GALE FORCE EARLY MON
WITH FRESH TO STRONG NORTHERLY PULSES THEREAFTER INTO MID-WEEK.
PLEASE SEE THE LATEST NWS HIGH SEAS AND OFFSHORE WATERS FORECASTS
ISSUED BY THE NATIONAL HURRICANE CENTER AT WEBSITE:
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND
WWW.NHC.NOAA.GOV/MARINE/OFFSHORES_EASTPAC.PHP FOR MORE
DETAILS.
THE PRESSURE GRADIENT BETWEEN A SURFACE RIDGE OVER THE
NORTHWESTERN CARIBBEAN SEA AND THE EPAC MONSOON TROUGH IS
SUPPORTING FRESH TO STRONG NE GAP WINDS AND SEAS OF 5 TO 7 FT IN
THE PAPAGAYO REGION. LIGHT TO GENTLE WINDS PREVAIL ELSEWHERE N
OF THE MONSOON TROUGH, EXCEPT WELL OFFSHORE GUATEMALA WHERE
MODERATE TO FRESH WINDS ARE DOWNWIND FROM A GULF OF TEHUANTEPEC
GAP WIND EVENT, WITH SIMILAR WINDS NEAR THE GULF OF FONSECA.
SOUTH OF THE MONSOON TROUGH, GENTLE TO MODERATE SOUTHERLY WINDS
AND 3 TO 5 FT SEAS IN MODERATE S TO SW SWELL PREVAIL, MIXED WITH
NW SWELL FROM THE GULF OF TEHUANTEPEC GAP WIND EVENT. ACTIVE
CONVECTION IS PRESENT OFFSHORE PANAMA AND COSTA RICA AS
DESCRIBED IN THE MONSOON TROUGH/ITCZ SECTION ABOVE.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE
OVER THE WESTERN CARIBBEAN AND THE EASTERN NORTH PACIFIC MONSOON
TROUGH WILL SUPPORT PULSING FRESH TO STRONG NE GAP WINDS IN THE
PAPAGAYO REGION INTO EARLY WED, THEN MODERATE TO FRESH
THEREAFTER. GALES IN THE TEHUANTEPEC REGION WILL SUPPORT
NORTHERLY SWELL AND ROUGH SEAS WELL OFFSHORE GUATEMALA THROUGH
THE REMAINDER OF THE WEEKEND. ELSEWHERE, WINDS WILL BE MODERATE
OR WEAKER WITH MODERATE SEAS THROUGH MID-WEEK, PULSING TO
MODERATE TO FRESH IN THE GULF OF PANAMA AT TIMES. SEAS MAY BUILD
MID-WEEK IN NW SWELL.

.WITHIN 11N86W TO 11N87W TO 10N88W TO 09N88W TO 09N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS TO 30 KT.
.48 HOUR FORECAST LITTLE CHANGE.

THE PRESSURE GRADIENT BETWEEN A SURFACE RIDGE OVER THE
NORTHWESTERN CARIBBEAN SEA AND THE EPAC MONSOON TROUGH IS
SUPPORTING FRESH TO STRONG NE GAP WINDS AND SEAS OF 5 TO 7 FT IN
THE PAPAGAYO REGION. LIGHT TO GENTLE WINDS PREVAIL ELSEWHERE N
OF THE MONSOON TROUGH, EXCEPT WELL OFFSHORE GUATEMALA WHERE
MODERATE TO FRESH WINDS ARE DOWNWIND FROM A GULF OF TEHUANTEPEC
GAP WIND EVENT, WITH SIMILAR WINDS NEAR THE GULF OF FONSECA.
SOUTH OF THE MONSOON TROUGH, GENTLE TO MODERATE SOUTHERLY WINDS
AND 3 TO 5 FT SEAS IN MODERATE S TO SW SWELL PREVAIL, MIXED WITH
NW SWELL FROM THE GULF OF TEHUANTEPEC GAP WIND EVENT. ACTIVE
CONVECTION IS PRESENT OFFSHORE PANAMA AND COSTA RICA AS
DESCRIBED IN THE MONSOON TROUGH/ITCZ SECTION ABOVE.

FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE
OVER THE WESTERN CARIBBEAN AND THE EASTERN NORTH PACIFIC MONSOON
TROUGH WILL SUPPORT PULSING FRESH TO STRONG NE GAP WINDS IN THE
PAPAGAYO REGION INTO EARLY WED, THEN MODERATE TO FRESH
THEREAFTER. GALES IN THE TEHUANTEPEC REGION WILL SUPPORT
NORTHERLY SWELL AND ROUGH SEAS WELL OFFSHORE GUATEMALA THROUGH
THE REMAINDER OF THE WEEKEND. ELSEWHERE, WINDS WILL BE MODERATE
OR WEAKER WITH MODERATE SEAS THROUGH MID-WEEK, PULSING TO
MODERATE TO FRESH IN THE GULF OF PANAMA AT TIMES. SEAS MAY BUILD
MID-WEEK IN NW SWELL.

SHORT-TERM GAP WINDS (Near 11N 86W)
TODAY - ENE 20-25, Seas SW 3.2-4.2 feet @ 14sec
TONITE - ENE 18-23, Seas SW 2.8-3.9 feet @ 18sec
MONDAY - ENE 20-25, Seas SW 2.9-4 feet @ 13sec
MONDAY NIGHT - NE 17-21, Seas SSW 2.5-3.9 feet @ 16sec

LONG-TERM GAP WINDS (Near 11N 86W)
TUESDAY - ENE 18-23, Seas SW 2.4-4 feet @ 15sec
WEDNESDAY - ENE 19-24, Seas SSW 1.6-3.5 feet @ 14sec
THURSDAY - ENE 16-20, Seas SSW 0-3.3 feet @ 13sec
FRIDAY - ENE 14-18, Seas N/A ?-? feet @ ?
SATURDAY - NE 14-17, Seas N/A ?-? feet @ ?