Offshore Forecast
Issued by NWS

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000
FZNT33 KWBC 301259
OFFN31

MARINE WEATHER HF VOICE BROADCAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
859 AM EDT THU MAR 30 2017

NEW ENGLAND CONTINENTAL SHELF AND SLOPE WATERS FROM 25 NM
OFFSHORE TO THE HAGUE LINE...EXCEPT TO 1000 FM S OF NEW ENGLAND

CONDITIONS GIVEN REPRESENT THE HIGHEST WITHIN THAT PERIOD.

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.

.SYNOPSIS FOR NEW ENGLAND WATERS...A RAPIDLY INTENSIFYING LOW
PRES CENTER SE OF NOVA SCOTIA WILL PASS SLOWLY E OF THE AREA
TODAY INTO TONIGHT WHILE PULLING A SERIES OF LOW PRES TROUGHS SE
ACROSS THE WATERS. A HIGH PRES RIDGE WILL BUILD IN FROM THE W
TODAY...THEN DRIFT E ACROSS THE WATERS TONIGHT INTO FRI NIGHT.
ANOTHER DEVELOPING LOW WILL MOVE OFF THE MID ATLC COAST FRI
NIGHT...THEN TRACK E NEAR THE FAR S WATERS SAT INTO SAT NIGHT. A
LOW PRES TROUGH WILL APPROACH FROM THE NW SUN...THEN PASS SE
ACROSS THE WATERS SUN NIGHT. ANOTHER HIGH PRES RIDGE WILL BUILD
TO THE COAST SUN NIGHT...MOVE OFFSHORE MON...THEN SHIFT E OF THE
WATERS MON NIGHT.

GULF OF MAINE TO THE HAGUE LINE

.TODAY...N WINDS 20 TO 30 KT...DIMINISHING TO 15 TO 25 KT. SEAS
5 TO 9 FT...HIGHEST SE.
.TONIGHT...N WINDS 15 TO 25 KT...DIMINISHING TO 10 TO 20 KT.
SEAS SUBSIDING TO 4 TO 6 FT.
.FRI...N TO NE WINDS 10 TO 15 KT...BECOMING E TO NE 5 TO 10 KT.
SEAS SUBSIDING TO 2 TO 4 FT.
.FRI NIGHT...E WINDS INCREASING TO 15 TO 25 KT. SEAS BUILDING TO 3
TO 6 FT. CHANCE OF RAIN OR SNOW WITH VSBY 1 NM OR LESS.
.SAT...E TO NE WINDS INCREASING TO 20 TO 30 KT. SEAS BUILDING TO 7
TO 11 FT.
.SAT NIGHT...NE WINDS 20 TO 30 KT...BECOMING N 15 TO 25 KT. SEAS
7 TO 12 FT...HIGHEST S.
.SUN...N WINDS 15 TO 25 KT...BECOMING NW 10 TO 20 KT. SEAS
SUBSIDING TO 4 TO 7 FT.
.SUN NIGHT...N TO NW WINDS 10 TO 20 KT. SEAS 3 TO 6 FT.
.MON...N TO NW WINDS 10 TO 20 KT...BECOMING W TO SW 5 TO 15 KT.
SEAS 3 TO 5 FT.
.MON NIGHT...S WINDS LESS THAN 10 KT...BECOMING SE 5 TO 15 KT.
SEAS 2 TO 4 FT.

GEORGES BANK...FROM THE NORTHEAST CHANNEL TO THE GREAT SOUTH
CHANNEL INCLUDING WATERS EAST OF CAPE COD...TO THE HAGUE LINE

...GALE WARNING...

.TODAY...N WINDS 20 TO 30 KT. SEAS 7 TO 11 FT.
.TONIGHT...N WINDS 20 TO 30 KT...DIMINISHING TO 15 TO 25 KT.
SEAS SUBSIDING TO 6 TO 9 FT.
.FRI...N WINDS 15 TO 20 KT...BECOMING N TO NE 10 TO 15 KT. SEAS
SUBSIDING TO 4 TO 6 FT.
.FRI NIGHT...E TO NE WINDS 10 TO 15 KT...BECOMING E 20 TO 30 KT.
SEAS BUILDING TO 5 TO 8 FT.
.SAT...E WINDS INCREASING TO 30 TO 40 KT. SEAS BUILDING TO 10 TO
15 FT.
.SAT NIGHT...NE WINDS 25 TO 35 KT...BECOMING N. SEAS 10 TO
15 FT.
.SUN...N TO NW WINDS DIMINISHING TO 20 TO 25 KT. SEAS SUBSIDING
TO 7 TO 10 FT.
.SUN NIGHT...NW WINDS DIMINISHING TO 15 TO 20 KT. SEAS SUBSIDING
TO 6 TO 8 FT.
.MON...NW WINDS 15 TO 20 KT...DIMINISHING TO 5 TO 15 KT. SEAS
5 TO 7 FT.
.MON NIGHT...VARIABLE WINDS LESS THAN 10 KT...BECOMING SE 5 TO 15
KT. SEAS SUBSIDING TO 3 TO 5 FT.

SOUTH OF NEW ENGLAND...FROM THE GREAT SOUTH CHANNEL TO HUDSON
CANYON INCLUDING THE WATERS SOUTH OF MARTHAS VINEYARD AND
NANTUCKET ISLAND...OUT TO 1000 FM

...GALE WARNING...

.TODAY...N WINDS 15 TO 25 KT...DIMINISHING TO 10 TO 20 KT. SEAS
4 TO 8 FT...HIGHEST SE.
.TONIGHT...N TO NE WINDS DIMINISHING TO 5 TO 15 KT. SEAS SUBSIDING
TO 2 TO 5 FT...HIGHEST SE.
.FRI...E TO NE WINDS 5 TO 15 KT...BECOMING E 15 TO 25 KT. SEAS 3
TO 5 FT.
.FRI NIGHT...E WINDS INCREASING TO 25 TO 35 KT. SEAS BUILDING TO
7 TO 12 FT. RAIN WITH VSBY 1 NM OR LESS.
.SAT...E WINDS 30 TO 40 KT...BECOMING N TO NE. SEAS BUILDING TO
9 TO 14 FT.
.SAT NIGHT...N WINDS 25 TO 35 KT...DIMINISHING TO 20 TO 30 KT.
SEAS 7 TO 14 FT...HIGHEST SE.
.SUN...N TO NW WINDS DIMINISHING TO 10 TO 20 KT. SEAS SUBSIDING
TO 5 TO 9 FT...HIGHEST SE.
.SUN NIGHT...NW WINDS 5 TO 15 KT. SEAS SUBSIDING TO 4 TO 6 FT.
.MON...N WINDS LESS THAN 10 KT...BECOMING S. SEAS 3 TO 5 FT.
.MON NIGHT...SE WINDS 5 TO 15 KT. SEAS 3 TO 5 FT.

.FORECASTER VUKITS. OCEAN PREDICTION CENTER.


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