Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FZUS51 KBOX 201434
CWFBOX

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE TAUNTON MA
1034 AM EDT THU APR 20 2017

COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO
25 NM

ANZ200-210330-
1034 AM EDT THU APR 20 2017

.SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS...
A WEAK FRONTAL BOUNDARY SLIPS ACROSS THE WATERS THIS AFTERNOON
FROM NORTH TO SOUTH. LOW PRES WILL APPROACH FROM THE GREAT LAKES
REGION TONIGHT THEN MOVE SLOWLY ACROSS NEW ENGLAND FRI. A
SECONDARY LOW WILL MOVE SE OF NANTUCET OF FRI NIGHT. THIS WEAK
LOW SLOWLY MOVES OUT TO SEA SAT. HIGH PRES BUILDS SOUTH INTO NEW
ENGLAND SUN AND MON. THEN WE WILL HAVE TO WATCH A POTENTIAL
COASTAL LOW TRACKING UP THE EASTERN SEABOARD BEGINNING SOMETIME
TUE.

FOR INFORMATION ON POSSIBLE HAZARDOUS WEATHER BEYOND THE 24-36 HOUR
FORECAST PERIOD...PLEASE VISIT WWW.WEATHER.GOV/BOSTON AND FOLLOW THE
CURRENT HAZARDS LINK ABOVE THE MAP ON THE LEFT.

$$

ANZ250-210330-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...S WINDS AROUND 5 KT...BECOMING E. SEAS 2 TO
4 FT. PATCHY FOG. VSBY 1 TO 3 NM.
.TONIGHT...E WINDS 5 TO 10 KT...INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. PATCHY FOG. A
CHANCE OF RAIN. VSBY 1 TO 3 NM.
.FRI...SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. PATCHY FOG. RAIN. VSBY 1 NM OR LESS.
.FRI NIGHT...E WINDS 10 TO 15 KT. GUSTS UP TO 30 KT... DECREASING
TO 20 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT. A CHANCE OF RAIN. VSBY
1 NM OR LESS.
.SAT...N WINDS AROUND 10 KT. SEAS 4 TO 6 FT.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
.SUN...NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
.MON...S WINDS AROUND 5 KT. SEAS 2 TO 3 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT. SEAS AROUND 3 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ251-210330-
MASSACHUSETTS BAY AND IPSWICH BAY-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...SE WINDS AROUND 5 KT...BECOMING E. SEAS 2 TO
3 FT. PATCHY FOG.
.TONIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 TO 3 NM.
.FRI...E WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT...
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT. SEAS 5 TO 8 FT. PATCHY
FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.SAT...N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
.SUN...NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
.SUN NIGHT...S WINDS AROUND 5 KT. SEAS 2 TO 3 FT.
.MON...N WINDS AROUND 5 KT. SEAS 2 TO 3 FT.
.MON NIGHT...NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ231-210330-
CAPE COD BAY-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...S WINDS AROUND 5 KT...BECOMING E. SEAS 1 FOOT
OR LESS. PATCHY FOG. VSBY 1 TO 3 NM.
.TONIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS AROUND 2 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR
LESS.
.FRI...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT...
BECOMING E 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. PATCHY FOG.
A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.SAT...N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT.
.SAT NIGHT...N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT.
.SUN...NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
.SUN NIGHT...SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. A CHANCE
OF RAIN.
.MON...NE WINDS AROUND 5 KT. SEAS AROUND 2 FT.
.MON NIGHT...NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ254-210330-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...SE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. PATCHY
FOG. VSBY 1 TO 3 NM...DECREASING TO 1 NM OR LESS.
.TONIGHT...E WINDS 5 TO 10 KT...INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. PATCHY FOG. A
CHANCE OF RAIN. VSBY 1 NM OR LESS.
.FRI...SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT...
DIMINISHING TO 5 TO 10 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 6 TO 9 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.SAT...N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 4 TO 6 FT.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
.SUN...NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
.SUN NIGHT...E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF
RAIN.
.MON...NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ255-210330-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...S WINDS 5 TO 10 KT...BECOMING SE. SEAS 2 TO
4 FT. PATCHY FOG. VSBY 1 TO 3 NM...DECREASING TO 1 NM OR LESS.
.TONIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.FRI...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
7 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...SE WINDS AROUND 10 KT WITH GUSTS UP TO 25 KT...
BECOMING SW AFTER MIDNIGHT. SEAS 4 TO 6 FT. PATCHY FOG. A CHANCE
OF RAIN. VSBY 1 NM OR LESS.
.SAT...NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
.SUN...NE WINDS AROUND 10 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
.SUN NIGHT...E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
RAIN.
.MON...NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ256-210330-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...SW WINDS AROUND 5 KT...BECOMING N. SEAS 2 TO
3 FT. PATCHY FOG. RAIN THIS MORNING. VSBY 1 TO 3 NM.
.TONIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.FRI...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.FRI NIGHT...SE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT...
BECOMING N AFTER MIDNIGHT. SEAS 3 TO 5 FT. PATCHY FOG. A CHANCE
OF RAIN. VSBY 1 NM OR LESS.
.SAT...NW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.SUN...NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
.SUN NIGHT...E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
RAIN.
.MON...NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ232-210330-
NANTUCKET SOUND-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...S WINDS 5 TO 10 KT...BECOMING E. SEAS 1 FOOT OR
LESS. PATCHY FOG. VSBY 1 TO 3 NM.
.TONIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.FRI...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS 2 TO 4 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM
OR LESS.
.SAT...NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.SUN...NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
.SUN NIGHT...E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
RAIN.
.MON...NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ233-210330-
VINEYARD SOUND-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...SW WINDS AROUND 5 KT...BECOMING E. SEAS 1 FOOT
OR LESS. PATCHY FOG. VSBY 1 TO 3 NM.
.TONIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS AROUND 2 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR
LESS.
.FRI...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...SE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT...
BECOMING N AFTER MIDNIGHT. SEAS AROUND 2 FT. PATCHY FOG. A CHANCE
OF RAIN. VSBY 1 TO 3 NM.
.SAT...NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
.SUN...NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
RAIN.
.SUN NIGHT...E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
RAIN.
.MON...NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ234-210330-
BUZZARDS BAY-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...S WINDS AROUND 5 KT...BECOMING E. SEAS 1 FOOT
OR LESS. PATCHY FOG. VSBY 1 TO 3 NM.
.TONIGHT...NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. PATCHY FOG.
A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.FRI...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...SE WINDS 5 TO 10 KT...BECOMING N AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR
LESS.
.SAT...NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
.SUN...NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
RAIN.
.SUN NIGHT...E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
RAIN.
.MON...NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
.MON NIGHT...NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ235-210330-
RHODE ISLAND SOUND-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...SW WINDS AROUND 5 KT...BECOMING SE. SEAS AROUND
2 FT. A SLIGHT CHANCE OF RAIN. PATCHY FOG.
.TONIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.FRI...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...SE WINDS 5 TO 10 KT...BECOMING N AFTER MIDNIGHT.
SEAS 2 TO 4 FT. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
.SAT...NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.SAT NIGHT...N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
.SUN...NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF RAIN.
.SUN NIGHT...E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
RAIN.
.MON...NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ237-210330-
BLOCK ISLAND SOUND-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...W WINDS AROUND 5 KT...BECOMING S. SEAS AROUND
2 FT. PATCHY FOG. RAIN. A CHANCE OF RAIN.
.TONIGHT...E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY FOG. A
CHANCE OF RAIN. VSBY 1 NM OR LESS.
.FRI...SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...E WINDS 5 TO 10 KT...BECOMING N AFTER MIDNIGHT. SEAS
2 TO 4 FT. PATCHY FOG. VSBY 1 NM OR LESS.
.SAT...NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.SAT NIGHT...NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
.SUN...E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF RAIN.
.SUN NIGHT...E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
RAIN.
.MON...NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ230-210330-
BOSTON HARBOR-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...NE WINDS AROUND 5 KT...BECOMING E. WAVES 1 FOOT
OR LESS.
.TONIGHT...E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 TO 3 NM.
.FRI...E WINDS AROUND 10 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT...EXCEPT 4 TO 7 FT AT THE OUTER HARBOR ENTRANCE. PATCHY FOG.
RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT...BECOMING
N AFTER MIDNIGHT. WAVES 2 TO 3 FT... EXCEPT 4 TO 6 FT AT THE
OUTER HARBOR ENTRANCE. A CHANCE OF RAIN. VSBY 1 TO 3 NM.
.SAT...N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS... EXCEPT 2 TO
4 FT AT THE OUTER HARBOR ENTRANCE.
.SAT NIGHT...N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
.SUN...NE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
RAIN.
.SUN NIGHT...S WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
.MON...N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
.MON NIGHT...NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

ANZ236-210330-
NARRAGANSETT BAY-
1034 AM EDT THU APR 20 2017

.THIS AFTERNOON...N WINDS AROUND 5 KT...BECOMING E. WAVES 1 FOOT
OR LESS.
.TONIGHT...NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. PATCHY FOG.
A CHANCE OF RAIN. VSBY 1 TO 3 NM.
.FRI...SE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. PATCHY FOG. RAIN LIKELY. VSBY 1 NM OR LESS.
.FRI NIGHT...E WINDS 5 TO 10 KT...BECOMING N AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR
LESS.
.SAT...NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
.SAT NIGHT...N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
.SUN...NE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
RAIN.
.SUN NIGHT...E WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF RAIN.
.MON...NE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
.MON NIGHT...NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES.  INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.