TCMAT2
TROPICAL STORM BERTHA FORECAST/ADVISORY NUMBER 10
NWS NATIONAL HURRICANE CENTER MIAMI FL AL022026
2100 UTC TUE JUL 21 2026
TROPICAL STORM CENTER LOCATED NEAR 29.4N 87.2W AT 21/2100Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 5 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 995 MB
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.
50 KT....... 0NE 40SE 0SW 0NW.
34 KT....... 70NE 100SE 40SW 40NW.
4 M SEAS.... 45NE 120SE 60SW 0NW.
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 29.4N 87.2W AT 21/2100Z
AT 21/1800Z CENTER WAS LOCATED NEAR 29.3N 86.8W
FORECAST VALID 22/0600Z 29.6N 87.9W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 90SE 50SW 40NW.
FORECAST VALID 22/1800Z 29.5N 89.3W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 90SE 60SW 30NW.
FORECAST VALID 23/0600Z 29.3N 91.4W...NEAR THE COAST
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 30NE 60SE 60SW 20NW.
FORECAST VALID 23/1800Z 29.4N 93.4W...OVER WATER
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 0NE 60SE 40SW 0NW.
FORECAST VALID 24/0600Z 29.8N 95.6W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 24/1800Z 30.3N 97.6W...POST-TROP/INLAND
MAX WIND 25 KT...GUSTS 35 KT.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 25/1800Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.4N 87.2W
INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 22/0000Z
NEXT ADVISORY AT 22/0300Z
$$
FORECASTER REINHART
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE JUL 21 2026
CCODE/1:31:04:01:00/AOE/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1800 UTC JUL 21.
24 HOUR FORECAST VALID 1800 UTC JUL 22.
48 HOUR FORECAST VALID 1800 UTC JUL 23.
.WARNINGS.
...GALE WARNING...
.NW OF A LINE FROM 34N74W TO 40N67W AREA OF SW TO S WINDS 20 TO
30 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST NEW LOW 39N73W 1006 MB. WITHIN 360 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 2.5 TO 4 M.
.24 HOUR FORECAST LOW 45N70W 1001 MB. WITHIN 120 NM EITHER SIDE
OF A LINE FROM 36N74W TO 43N62W WINDS 25 TO 35 KT. SEAS 2.5 TO 4
M. ELSEWHERE WITHIN 600 NM SE SEMICIRCLE WINDS TO 25 KT. SEAS TO
3 M.
.48 HOUR FORECAST LOW 59N69W 990 MB. FROM 50N TO 63N BETWEEN 38W
AND 55W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 36N73W TO
53N50W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
...GALE WARNING...
.18 HOUR FORECAST LOW WELL INLAND NEAR 52N76W 992 MB. BETWEEN 360
NM AND 720 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW WELL INLAND NEAR 53N74W 992 MB. BETWEEN 360
NM AND 720 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 780 NM NE AND 1080 NM SE QUADRANTS WINDS TO 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED WITH LOW
59N69W ABOVE.
...GALE WARNING...
.24 HOUR FORECAST FROM 58N TO 60N BETWEEN 37W AND 44W AREA OF SW
TO W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N OF 56N E OF
44W AREA OF SW TO W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW NE OF AREA NEAR 65N26W 996 MB. N OF 54N
E OF 44W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.SYNOPSIS AND FORECAST.
.LOW 61N57W 998 MB MOVING NW 15 KT. WITHIN 120 NM OF THE W
GREENLAND COAST BETWEEN 44W AND 52W WINDS 20 TO 30 KT. SEAS 2.5
TO 4 M. ELSEWHERE WITHIN 660 NM SE QUADRANT WINDS TO 25 KT. SEAS
TO 3.5 M.
.24 HOUR FORECAST LOW 66N59W 1004 MB. WITHIN 90 NM OF THE W
GREENLAND COAST N OF 51N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 900 NM SE QUADRANT WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW WELL N OF AREA AND CONDITIONS DESCRIBED
WITH LOW 59N69W IN WARNINGS SECTION ABOVE.
.LOW 61N41W 1014 MB MOVING NE 15 KT. FROM 48N TO 63N E OF 39W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA.
.48 HOUR FORECAST NEW LOW NEAR 32N37W 1023 MB. WITHIN 360 NM NW
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 60N E OF
48W...AND N OF 56N W OF 46W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 37N76W TO 43N60W TO 43N45W TO 50N35W...FROM 46N TO 55N
BETWEEN 43W AND 53W...N OF 63N E OF GREENLAND...AND N OF 61N W OF
56W.
.48 HOUR FORECAST DENSE FOG N AND W OF A LINE FROM 36N75W TO
42N60W TO 40N43W TO 47N35W TO 47N35W TO 60N43W TO 67N57W.
.FORECASTER ANDERSON. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 1800 UTC TUE JUL 21.
24 HOUR FORECAST VALID 1800 UTC WED JUL 22.
48 HOUR FORECAST VALID 1800 UTC THU JUL 23.
.WARNINGS.
...GULF OF AMERICA TROPICAL STORM WARNING...
.TROPICAL STORM BERTHA NEAR 29.4N 87.2W 995 MB AT 2100 UTC JUL
21 MOVING NW OR 305 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM W
SEMICIRCLE...70
NM NE QUADRANT AND 100 NM SE QUADRANT. SEAS 4 M OR GREATER
WITHIN 45 NM NE QUADRANT...120 NM SE QUADRANT...60 NM SW
QUADRANT...AND 0 NM NW QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE
WITHIN 30N84W TO 31N87W TO 29N88W TO 27N89W TO 26N86W TO 28N83W
TO 30N84W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST TROPICAL STORM BERTHA NEAR 29.5N 89.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW
QUADRANT...AND 30 NM NW QUADRANT. SEAS 4 M OR GREATER
OVER FORECAST WATERS WITHIN 60 NM SE QUADRANT WITH SEAS TO 5 M.
ELSEWHERE WITHIN 29N83W TO 30N84W TO 31N88W TO 29N92W TO
28N92W TO 27N86W TO 29N83W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.48 HOUR FORECAST TROPICAL STORM BERTHA ALONG THE COAST NEAR
29.4N 93.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL
STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE...60 NM SE QUADRANT
AND
40 NM SW QUADRANT. OVER FORECAST WATERS WITHIN 30N91W TO 30N93W
TO 30N94W TO 29N94W TO 28N92W TO 29N91W TO 30N91W WINDS LESS THAN
20 KT. SEAS TO 2.5 M.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.CARIBBEAN WITHIN 13N74W TO 12N77W TO 11N76W TO 11N73W TO 11N72W
TO 12N69W TO 13N74W...INCLUDING THE GULF OF VENEZUELA... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 13N72W TO 13N75W TO 12N79W TO 10N79W TO
10N77W TO 12N73W TO 13N72W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
$$