Marine Weather for HS 100


marine weather discussion for N Atlantic Ocean NWS ocean prediction center Washington DC 957 am EDT Tue Sep 1 2015

.Forecast discussion: major features/winds/seas/significant .Weather for the North Atlantic ocean W of 50w from 30n to 50n.

At 12z...cold front extended FM Hudson Canyon ESE to 38n65w to 40n56w then N to 998 mb low just S of Newfoundland. The front is pushing S at 15 to 20 kt. N of the front...winds are N to NW 10 to 20 kt. S of the front...winds are lgt and vrbl. A weak 1017 mb low has dvlpd about 100 nm E of Cape Hatteras. A good sized cluster of convection has dvlpd ovr the past few hours nr the low with the tstms mvg ESE abt 25 kt. Highest seas ovr the offshr waters are EST at 6 ft se of Georges Bank. The 06z models were smlr to their rspctv 00z runs. Current fcst looks good so only minmal chngs wl be made for the fcst update.

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A low pres trof currently across the nt1 waters will move E of the offshore waters by late Tue. Westerly winds currently up to 20 or 25 kt ahead of the trof will diminish by Tue. A high pres ridge will then remain across the offshore waters through Thu with mainly light winds. Stronger high pres will then build southward into nrn New England by Fri. Stronger NE flow will develop across the nrn nt2 and srn nt1 waters by Fri with winds up to 25 kt or so. Conditions will then diminish by late Sat as the high builds S and low pres E of the nt2 waters slides farther E. Current forecast looks reasonable and will continue to carry no warnings across the offshore waters during the forecast period.

The wna version of the nww3 looks reasonable with the seas and will be followed fairly closely during the forecast period.

Extratropical storm surge guidance...N/A.


.Nt1 New England waters... None.

.Nt2 mid Atlc waters... None.


.Forecaster prosise/nolt. Ocean prediction center.

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