Synopsis: A broad trough of low pressure extends S between 59W and 51W towards 25N from a broad strong low over the N Atlantic this morning, and will move E to between 50W and 42W through midday tomorrow. Weak area of high pressure will move E over the W Atlantic between 65W and 50W by tomorrow morning, but weaken and dissipate through midday 18/12. Conclusion: Trough is working to break ridging across grids RR and QQ this morning, and will continue to do so through tomorrow. Weak high noted above will have little enhancement of winds across RR tomorrow. Also of note, winds will tend to weaken and swells lowest across W QQ today and tomorrow. Squall activity is forecast to be at worst scattered across both grids today, with conditions forecast to become isolated tomorrow. T = 16/12 0600 UTC SWRS/SQUALLS* IN ALL GRID AREAS QQ:
T:WINDS ENE-ESE 11-16KTS SEAS 2-3 SWELLS N-NE 3-5FT (8SEC) SKIES CLOUDY CURRENTS FROM S @ 0.4KTS.
T+12:WINDS E-SE 10-15KTS SEAS 2-3 SWELLS NE-E 3-5FT (7SEC) SKIES MOSTLY CLOUDY CURRENTS FROM SSE @ 0.8KTS.
T+24:WINDS ENE-ESE 10-15KTS SEAS 2-3 SWELLS NE-E 4-6FT (7SEC) SKIES PARTLY CLOUDY CURRENTS FROM S @ 0.8KTS.
T+36:WINDS ENE-ESE 08-13KTS SEAS 1-2 SWELLS NE-E 4-6FT (8SEC) SKIES MOSTLY CLOUDY CURRENTS FROM S @ 0.8KTS. RR:
T:WINDS ENE-ESE 09-14KTS SEAS 2-3 SWELLS NE-E 3-5FT (3SEC) SKIES PARTLY CLOUDY CURRENTS FROM ENE @ 0.7KTS.
T+12:WINDS ENE-ESE 09-14KTS SEAS 2-3 SWELLS ENE-ESE 3-5FT (3SEC) SKIES CLEAR. CURRENTS FROM ENE @ 0.7KTS.
T+24:WINDS NE-E 09-14KTS SEAS 2-3 SWELLS NE-E 3-5FT (3SEC) SKIES PARTLY CLOUDY CURRENTS FROM NE @ 0.4KTS.
T+36:WINDS ENE-ESE 09-14KTS SEAS 2-3 SWELLS ENE-ESE 4-6FT (3SEC) SKIES MOSTLY CLOUDY CURRENTS FROM ENE @ 0.6KTS. * WINDS AND SEAS HIGHER IN SQUALLS
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