TCMEP4
TROPICAL DEPRESSION FOURTEEN-E FORECAST/ADVISORY NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL EP142026
2100 UTC WED SEP 09 2026
TROPICAL DEPRESSION CENTER LOCATED NEAR 15.7N 115.2W AT 09/2100Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 8 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 15.7N 115.2W AT 09/2100Z
AT 09/1800Z CENTER WAS LOCATED NEAR 15.6N 114.6W
FORECAST VALID 10/0600Z 15.9N 117.1W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 30NE 0SE 0SW 0NW.
FORECAST VALID 10/1800Z 15.8N 119.6W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 40NE 0SE 0SW 20NW.
FORECAST VALID 11/0600Z 15.7N 122.0W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 20SE 0SW 40NW.
FORECAST VALID 11/1800Z 15.6N 124.2W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 20NE 0SE 0SW 0NW.
34 KT... 70NE 30SE 20SW 50NW.
FORECAST VALID 12/0600Z 15.9N 126.1W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 20NE 0SE 0SW 20NW.
34 KT... 80NE 50SE 30SW 60NW.
FORECAST VALID 12/1800Z 16.2N 127.8W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 15NE 0SE 0SW 0NW.
50 KT... 30NE 0SE 0SW 20NW.
34 KT... 90NE 50SE 30SW 60NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 13/1800Z 17.4N 130.9W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 30NE 20SE 0SW 20NW.
34 KT... 90NE 50SE 40SW 60NW.
OUTLOOK VALID 14/1800Z 17.9N 133.8W
MAX WIND 75 KT...GUSTS 90 KT.
50 KT... 30NE 20SE 10SW 20NW.
34 KT... 90NE 50SE 30SW 50NW.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.7N 115.2W
NEXT ADVISORY AT 10/0300Z
$$
FORECASTER EVANS/CANGIALOSI=
TCMCP4
TROPICAL STORM LOWELL FORECAST/ADVISORY NUMBER 55
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP122026
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
2100 UTC WED SEP 09 2026
TROPICAL STORM CENTER LOCATED NEAR 28.9N 163.7W AT 09/2100Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 12 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 987 MB
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.
50 KT....... 60NE 50SE 30SW 60NW.
34 KT.......180NE 100SE 80SW 150NW.
4 M SEAS....450NE 300SE 300SW 390NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 28.9N 163.7W AT 09/2100Z
AT 09/1800Z CENTER WAS LOCATED NEAR 28.7N 163.0W
FORECAST VALID 10/0600Z 29.3N 165.7W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...160NE 80SE 70SW 150NW.
FORECAST VALID 10/1800Z 29.3N 168.1W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...110NE 40SE 40SW 110NW.
FORECAST VALID 11/0600Z 29.3N 170.5W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 80NE 20SE 20SW 60NW.
FORECAST VALID 11/1800Z 29.9N 171.7W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 80NE 20SE 20SW 40NW.
FORECAST VALID 12/0600Z 30.9N 171.8W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 20SE 0SW 40NW.
FORECAST VALID 12/1800Z 32.3N 172.3W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 50NE 20SE 0SW 40NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 13/1800Z 33.2N 174.8W...POST-TROPICAL
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 40NE 0SE 0SW 40NW.
OUTLOOK VALID 14/1800Z 32.7N 176.0W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.9N 163.7W
NEXT ADVISORY AT 10/0300Z
$$
FORECASTER KELLY
HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC WED SEP 09 2026
CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
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.
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1200 UTC SEP 09.
24 HOUR FORECAST VALID 1200 UTC SEP 10.
48 HOUR FORECAST VALID 1200 UTC SEP 11.
.WARNINGS.
...TROPICAL STORM WARNING...
.SEE HFO PORTION IN HSFEPI FOR MORE INFORMATION ABOUT TROPICAL
STORM LOWELL.
.TROPICAL STORM LOWELL NEAR 28.1N 162.3W 985 MB AT 1500 UTC SEP
09 MOVING NNW OR 330 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 220 NM NE
QUADRANT...140 NM SE QUADRANT...110 NM SW QUADRANT...AND 180 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 330 NM S
SEMICIRCLE...450 NM NE QUADRANT AND 390 NM NW QUADRANT WITH SEAS
TO 8 M NEAR 30N162W.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 29.0N 166.6W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 180 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW
QUADRANT...AND 160 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
300 NM N SEMICIRCLE WITH SEAS TO 8 M.
.48 HOUR FORECAST TROPICAL STORM LOWELL NEAR 28.9N 170.4W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NE QUADRANT...40 NM SE QUADRANT...20 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 360
NM NE...AND 240 NM NW QUADRANTS WITH SEAS TO 6 M N OF 30 N.
ELSEWHERE FROM 30N TO 37N BETWEEN 162W AND 177W WINDS 20 TO 33
KT. SEAS 2.5 TO 4 M.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
...GALE WARNING...
.N OF 47N W OF 175E WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST W OF A LINE FROM 50N174E TO 65N164W WINDS 25
TO 35 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST N OF A LINE FROM 50N180W TO 53N162W WINDS 25
TO 35 KT. SEAS 2.5 TO 6.5 M...HIGHEST W AND NW.
...GALE WARNING...
.LOW 58N136W 1008 DRIFTING E. FROM 54N TO 60N BETWEEN 143W AND
156W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED. FROM 57N TO 60N BETWEEN 148W
AND 154W WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 43N174W 1016 MB MOVING NW 10 KT. WITHIN 300 NM N AND 180
NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 44N180W 1019 MB. WITHIN 180 NM N AND NE
QUADRANTS WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.
.SYNOPSIS AND FORECAST.
.FROM 36N TO 46N BETWEEN 144W AND 125W WINDS 20 TO 30 KT. SEAS
TO 3 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.48 HOUR FORECAST FROM 36N TO 43N BETWEEN 122W AND 127W WINDS TO
25 KT. SEAS TO 2.5 M.
.S OF 33N BETWEEN 123W AND 136W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 34N133W 1013 MB. FROM 34N TO 40N BETWEEN
155W AND 132W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 32N146W 1014 MB. WITHIN 360 NM N AND NW
QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 48N
BETWEEN 158W AND 176W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 55N W OF 160W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 59N BETWEEN 176W AND
162W.
.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W
SYNOPSIS VALID 1200 UTC WED SEP 09.
24 HOUR FORECAST VALID 1200 UTC THU SEP 10.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 11.
.WARNINGS.
...GALE WARNING...
.LOW PRESSURE NEAR 15.5N114.0W 1007 MB. WITHIN 120 NM NE
QUADRANT
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW PRESSURE...PSBL TRPCL CYCLONE...NEAR
16N118.5W
1006 MB. WITHIN 180 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5
TO
3.0 M.
.48 HOUR FORECAST LOW PRESSURE...PSBL TRPCL CYCLONE...NEAR
16N123.5W
1006 MB. WITHIN 75 NM N AND 45 NM S WINDS 30 TO 35 KT.
SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 210 NM N SEMICIRCLE WINDS 20
TO
30 KT. SEAS 2.5 TO 3.0 M.
.SYNOPSIS AND FORECAST.
.LOW PRESSURE...REMNANTS OF MARIE...NEAR 29N129W 1004 MB. N OF
27N BETWEEN 125W AND 129W SE TO S WINDS 20 TO 30 KT. SEAS 3.0 TO
4.0
M.N OF 29N BETWEEN 129W AND 132W N TO NE WINDS 20 TO 25 KT. SEAS
2.5
TO 3.0 M. ELSEWHERE N OF 22N AND W OF 130W WINDS 20 KT OR LESS.
SEAS
2.5 TO 3.0 M IN MIXED SWELL.
.12 HOUR FORECAST LOW PRESSURE N OF AREA. N OF 28N BETWEEN 127W
AND
136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FROM 09.5N TO 11.5N BETWEEN 86W AND 91W...INCLUDING THE GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 89W...INCLUDING THE
GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.S OF 02S BETWEEN 95W AND 102W WINDS 20 KT OR LESS. SEAS 2.5 M
PRIMARILY IN SW SWELL. S OF 00N BETWEEN 110W AND 112W WINDS 20
KT OR
LESS. SEAS 2.5 M PRIMARILY IN SW SWELL.
.24 HOUR FORECAST S OF 01S BETWEEN 100W AND 115W WINDS 20 KT OR
LESS. SEAS 2.5 M PRIMARILY IN SW SWELL.
.48 HOUR FORECAST S OF 00N BETWEEN 110W AND 115W WINDS 20 KT OR
LESS. SEAS 2.5 M PRIMARILY IN SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC WED SEP 9...
.INVEST EP96 NEAR 15.5N114.0W...NUMEROUS MODERATE SCATTERED
STRONG
WITHIN 150 NM E SEMICIRCLE OF LOW CENTER.
.TROPICAL WAVE ALONG 87W...SCATTERED MODERATE ISOLATED STRONG
FROM 03N TO 10N BETWEEN 84W AND 90W.
.TROPICAL WAVE ALONG 100W/101W...SCATTERED MODERATE ISOLATED
STRONG
FROM 05N TO 15N BETWEEN 90W AND 108W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 10N84W TO 08N95W TO 1007 MB
LOW
PRESSURE (EP96) NEAR 15N114W TO 1008 MB LOW PRESSURE NEAR
13.5N129W
TO BEYOND 09N140W. IN ADDITION TO THE CONVECTION ASSOCIATED WITH
EP96 AND THE TROPICAL WAVES...SCATTERED MODERATE TO ISOLATED
STRONG
CONVECTION CAN BE FOUND N OF 05N E OF 84W TO THE COAST OF
COLOMBIA...AND FROM 01N TO 08N W OF 122W.
$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1200 UTC SEP 09 2026.
24 HOUR FORECAST VALID 1200 UTC SEP 10 2026.
48 HOUR FORECAST VALID 1200 UTC SEP 11 2026.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM LOWELL NEAR 28.1N 162.3W 985 MB AT 1500 UTC SEP
09 MOVING NNW OR 330 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 220 NM NE
QUADRANT...140 NM SE QUADRANT...110 NM SW QUADRANT AND 180 NM NW
QUADRANT. WINDS 20 TO 30 KT ELSEWHERE N OF 24N BETWEEN 150W AND
168W. SEAS 4 M OR GREATER WITHIN 330 NM S SEMICIRCLE...450 NM NE
QUADRANT AND 390 NM NW QUADRANT WITH SEAS TO 9.5 M. SEAS 2.5 TO
3.5 M ELSEWHERE N OF 13N BETWEEN 150W AND 175W. SCATTERED MODERATE
TSTMS WITHIN 100 NM N SEMICIRCLE FROM CENTER.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 29.0N 166.6W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 180 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW
QUADRANT AND 160 NM NW QUADRANT. WINDS 20 TO 30 KT ELSEWHERE N OF
27N BETWEEN 156W AND 173W. SEAS 4 M OR GREATER N OF 27N BETWEEN
161W AND 170W WITH SEAS TO 9.5 M. SEAS 2.5 TO 3.5 M ELSEWHERE N OF
22N BETWEEN 155W AND 178W.
.48 HOUR FORECAST TROPICAL STORM LOWELL NEAR 28.9N 170.4W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NE QUADRANT...40 NM SE QUADRANT...20 NM SW
QUADRANT...AND 70 NM NW QUADRANT. WINDS 20 TO 30 KT ELSEWHERE N OF
26N BETWEEN 163W AND 174W. SEAS 4 M OR GREATER N OF 27N BETWEEN
168W AND 175W WITH SEAS TO 6.5 M. SEAS 2.5 TO 3.5 M ELSEWHERE N OF
24N W OF 160W.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
SEE THE LATEST BULLETIN FROM NHC UNDER WMO HEADER WTPA24 PHFO FOR
ADDITIONAL DETAILS.
.SYNOPSIS AND FORECAST
.LOW 05N146W 1009 MB NEARLY STATIONARY. SCATTERED MODERATE TO
ISOLATED STRONG TSTMS NEAR AND N OF LOW FROM 04N TO 11N E OF
150W.
.24 HOUR FORECAST LOW 07N148W 1009 MB.
.48 HOUR FORECAST LOW 12N146W 1008 MB.
.LOW 10N160W 1010 MB NEARLY STATIONARY. ISOLATED TSTMS E OF LOW
WITHIN 80 NM OF 11N155W.
.24 HOUR FORECAST LOW 11N163W 1010 MB.
.48 HOUR FORECAST LOW ABSORBED BY MONSOON TROUGH.
.TROUGH 23N170W TO 24N165W TO 26N163W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH 24N171W TO 25N166W TO 28N166W.
.48 HOUR FORECAST TROUGH 21N174W TO 25N172W TO 27N171W.
.24 HOUR FORECAST NEW TROUGH 18N146W TO 20N143W TO 23N140W.
.48 HOUR FORECAST TROUGH 19N148W TO 23N145W TO 26N143W.
.24 HOUR FORECAST NEW TROUGH 26N144W TO 30N145W.
.48 HOUR FORECAST TROUGH 25N150W TO 30N148W.
.WINDS 20 KT OR LOWER OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M N OF 21N E OF 150W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF 28N BETWEEN 147W AND 155W.
.48 HOUR FORECAST SEAS SUBSIDED BELOW 2.5 M.
.SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA.
.MONSOON TROUGH 07N140W TO FIRST LOW DESCRIBED ABOVE TO 03N150W...
THEN FROM SECOND LOW MENTIONED ABOVE TO 12N172W TO 10N180W.
SCATTERED MODERATE TO ISOLATED STRONG TSTMS S OF TROUGH FROM 00N
TO 04N E OF 155W. ISOLATED MODERATE TSTMS S OF TROUGH FROM 00N TO
08N W OF 162W.
$$
.FORECASTER CHAN. HONOLULU HI.=