ARC Caribbean 1500 - 11/09 11z - Forecast Update #9
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Prepared: November 09 11:43z FM: Weather Routing Inc. (WRI)
Synopsis: A gale near 40N/47W with a cold front SW'ward to near 23N/65W will continue ne'ward through this evening. The tail end of the cold front form 25N/62W SW'ward to the Dominican Republic tonight will weaken into a trough while remaining stationary through tomorrow morning, then dissipate tomorrow evening. High pressure near 27N/73W will move e'ward to near 27N/58W tonight. A cold front will extend from the W'rn Gulf of Maine SW'ward to central Georgia this afternoon will track se'ward and extend from south of Nova Scotia to the n'rn Bahamas by the morning of the 10th. Low pressure will develop along this front offshore Delaware this evening and will track se'ward while strengthening into a gale near 34N/66W by tomorrow evening. The gale will lift ne'ward and weaken to near 37N/60W by afternoon the 11th. The cold front will move through the rest of the Bahamas and pass north of the NE'rn Caribbean Sea on the 11th through 12th.
Conclusion: The pattern is quite active for the W'rn Atlantic with very changeable conditions both in terms of time and distance as systems develop and move across the region. Initially, broad ridging is now producing light wind for Grid FF to EE and s'rn Grid DD and n'rn Grid GG. Later today through tonight as the next gale begins to take shape east of the Mid Atlantic, expect increasing W'ly winds veering to the SW for grids BB, EE and DD. As the gale shifts e'ward winds will veer again to the NW and increase further, in particular across the n'rn Grids BB, DD and EE, with the SW winds ahead of the front shifting e'ward into/across EE and FF. As the system continues e'ward and ridging broadens across the W'rn Atlantic, expect winds to ease steadily tomorrow night through the 11th.
The developing system will generate another round of large swell which will be shorter in period than the current lowering N-NE swell. This will be more of a NW-N swell that will initially develop across Grid BB and n'rn DD and this will propagate SE'ward into/across Grid BB (where swell will be highest tomorrow), DD and then into EE and FF to a lesser extent than more n'rn grids.
BB FORECAST: 09/12 GMT(T + 0): WINDS NW-W(315 - 270) 11-16KTS. SEAS 2-3 SWELLS N-NE LOWER 11-8FT (8SEC). SKIES CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM ESE @ 0.5KTS. 10/00 GMT(T + 12): WINDS SW-W(225 - 270) INCREASE 15-25 GUSTS 30KTS. SEAS 3-5 SWELLS N-NE/MIXED/W 8-11FT (8SEC). SKIES CLOUDY. SCATTERED SHWRS/SQUALLS*. CURRENTS FROM SSE @ 0.7KTS. 10/12 GMT(T + 24): WINDS SW-W-NW(225 - 315) INCREASE 25-35 GUSTS 40KTS. SEAS 5-7 SWELLS W-NW BUILD 11-15FT (6SEC). SKIES MOSTLY CLOUDY. SCATTERED SHWRS/SQUALLS*. CURRENTS FROM SSE @ 0.3KTS. 11/00 GMT(T + 36): WINDS NW-N(315 - 0) EASE 35-25KTS. SEAS 5-7 SWELLS WSW-WNW 12-15FT (8SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM E @ 0.4KTS. 11/12 GMT(T + 48): WINDS NW-W(315 - 270) EASE 25-15KTS. SEAS 3-5 SWELLS WNW-NNW LOWER 12-8FT (6SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM ESE @ 0.5KTS.
DD FORECAST: 09/12 GMT(T + 0): WINDS NW-W-SW(315 - 225) INCREASE 10-20KTS. SEAS 2-4 SWELLS NNE-ENE LOWER 11-7FT (9SEC). SKIES CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM W @ 0.2KTS. 10/00 GMT(T + 12): WINDS SW-W-NW(225 - 315) INCREASE 20-30 GUSTS 35KTS. SEAS 4-6 SWELLS NNE-ENE/MIXED/NW BUILD 7-11FT (6SEC). SKIES CLOUDY. SCATTERED SHWRS/SQUALLS*. CURRENTS FROM WSW @ 0.3KTS. 10/12 GMT(T + 24): WINDS WNW-NNW(293 - 338) 25-30 GUSTS 35KTS. SEAS 5-6 SWELLS NW-N 10-12FT (6SEC). SKIES MOSTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NW @ 0.7KTS. 11/00 GMT(T + 36): WINDS NW-N(315 - 0) EASE 25-15KTS. SEAS 3-5 SWELLS NW-N 7-10FT (7SEC). SKIES CLOUDY. CURRENTS FROM N / WEAKKTS. 11/12 GMT(T + 48): WINDS WNW-NNW(293 - 338) 10-15KTS. SEAS 2-3 SWELLS N-NNE 6-8FT (7SEC). SKIES CLEAR. CURRENTS FROM W @ 0.5KTS.
EE FORECAST: 09/12 GMT(T + 0): WINDS W-NW/VARY/ENE(270 - 315) 03-08KTS. SEAS 0-1 SWELLS N-NE LOWER 10-7FT (9SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM SSE @ 0.1KTS. 10/00 GMT(T + 12): WINDS W-SW(270 - 225) INCREASE 05-20KTS. SEAS 1-4 SWELLS N-NE 5-7FT (8SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM WSW @ 0.2KTS. 10/12 GMT(T + 24): WINDS SW-W-NW(225 - 315) 20-25 GUSTS 30KTS. SEAS 4-5 SWELLS N-NW/MIXED/NE BUILD 6-10FT (5SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM N @ 0.1KTS. 11/00 GMT(T + 36): WINDS NW-N(315 - 0) 18-23 GUSTS 28KTS. SEAS 3-5 SWELLS WNW-NNW 9-12FT (6SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NW @ 0.3KTS. 11/12 GMT(T + 48): WINDS NW-N(315 - 0) EASE 20-10KTS. SEAS 2-4 SWELLS NW-N 7-10FT (8SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM ENE @ 0.2KTS.
GG FORECAST: 09/12 GMT(T + 0): WINDS NE-E(45 - 90) 06-11KTS. SEAS 1-2 SWELLS N-NE LOWER 10-7FT (2SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS. CURRENTS FROM WSW @ 0.5KTS. 10/00 GMT(T + 12): WINDS NE-NW-W(45 - 270) 09-14 GUSTS 17KTS. SEAS 2-3 SWELLS N-NE 6-8FT (2SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS. CURRENTS FROM SW @ 0.2KTS. 10/12 GMT(T + 24): WINDS W-NW-N(270 - 0) 12-17 GUSTS 21KTS. SEAS 2-3 SWELLS N-NE 5-7FT (2SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM WSW @ 0.6KTS. 11/00 GMT(T + 36): WINDS NNW-NNE(338 - 23) 11-16 GUSTS 20KTS. SEAS 2-3 SWELLS N-NE 5-7FT (2SEC). SKIES CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM SSW @ 0.1KTS. 11/12 GMT(T + 48): WINDS N-NE(0 - 45) 07-12KTS. SEAS 1-2 SWELLS N-NE 5-7FT (2SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM WSW @ 0.5KTS.
HH FORECAST: 09/12 GMT(T + 0): WINDS NE-E(45 - 90) 10-15 GUSTS 20KTS. SEAS 2-3 SWELLS N-NE LOWER 11-8FT (2SEC). SKIES CLEAR. CURRENTS FROM ESE @ 0.8KTS. 10/00 GMT(T + 12): WINDS NE-E(45 - 90) 08-13 GUSTS 17KTS. SEAS 2-3 SWELLS N-NNE 6-8FT (2SEC). SKIES CLEAR. CURRENTS FROM SE @ 0.9KTS. 10/12 GMT(T + 24): WINDS NE-N-NW(45 - 315) INCREASE 10-20 GUSTS 25KTS. SEAS 2-4 SWELLS N-NNE 5-7FT (2SEC). SKIES CLOUDY. CURRENTS FROM E @ 0.5KTS. 11/00 GMT(T + 36): WINDS NW-N-NE(315 - 45) 15-20 GUSTS 23KTS. SEAS 3-4 SWELLS N-NNE 4-6FT (3SEC). SKIES CLEAR. CURRENTS FROM ESE @ 0.8KTS. 11/12 GMT(T + 48): WINDS NNE-ENE(23 - 68) 13-18 GUSTS 20KTS. SEAS 2-3 SWELLS N-NNE 4-6FT (3SEC). SKIES CLEAR. CURRENTS FROM ESE @ 0.5KTS.
FF FORECAST: 09/12 GMT(T + 0): WINDS N-NE/VARY/NW(0 - 45) 06-11KTS. SEAS 1-2 SWELLS NW-N LOWER 11-8FT (9SEC). SKIES PARTLY CLOUDY. CURRENTS FROM NW @ 0.3KTS. 10/00 GMT(T + 12): WINDS NE-E-SE(45 - 135) 07-12KTS. SEAS 1-2 SWELLS NNW-NNE 6-8FT (8SEC). SKIES CLEAR. CURRENTS FROM NNE @ 0.4KTS. 10/12 GMT(T + 24): WINDS SE-S/VARY/W(135 - 180) 12-17 GUSTS 20KTS. SEAS 2-3 SWELLS NNW-NNE 5-7FT (8SEC). SKIES MOSTLY CLOUDY. ISOLATED SHWRS. CURRENTS FROM WSW @ 0.3KTS. 11/00 GMT(T + 36): WINDS S-W-NW(180 - 315) 17-22 GUSTS 29KTS. SEAS 3-4 SWELLS W-NW/MIXED/N 5-8FT (6SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM N @ 0.5KTS. 11/12 GMT(T + 48): WINDS WNW-NNW(293 - 338) 15-20 GUSTS 27KTS. SEAS 3-4 SWELLS WNW-NNW 8-10FT (8SEC). SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM WNW @ 0.2KTS. * WINDS AND SEAS HIGHER IN SQUALLS
Best Regards, Weather Routing Inc. (WRI)
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