737
FZUS51 KBOX 141702
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
102 PM EDT TUE APR 14 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-150600-
102 PM EDT TUE APR 14 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A BACKDOOR COLD FRONT WILL MOVE S INTO NRN NEW ENG TUE AND WED,
PERHAPS FLIRTING WITH THE MA WATERS N OF CAPE COD WED AND/OR THU. A
COLD FRONT WILL LIKELY CROSS THE WATERS SOMETIME FRI/FRI NIGHT
FOLLOWED BY A STRONGER COLD FRONT SOMETIME SUN/SUN NIGHT. EARLY NEXT
WEEK, HIGH PRES BUILDS FROM THE GREAT LAKES TO THE MID ATLANTIC.
ANZ250-150600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
TONIGHT
S WINDS AROUND 15 KT, BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE OF SHOWERS IN
THE EVENING. VSBY 1 NM OR LESS.
WED
N WINDS AROUND 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. PATCHY FOG. A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY
1 NM OR LESS.
WED NIGHT
SE WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. A CHANCE OF SHOWERS. PATCHY FOG IN THE EVENING
WITH VSBY 1 NM OR LESS.
THU
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS
IN THE MORNING.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 10 TO 15 KT, BECOMING E. 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.
ANZ251-150600-
MASSACHUSETTS BAY AND IPSWICH BAY-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
AFTER MIDNIGHT. SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE OF SHOWERS
IN THE EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
WED
N WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS. PATCHY FOG IN THE EVENING WITH
VSBY 1 NM OR LESS.
THU
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 10 TO 15 KT, BECOMING E. 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.
ANZ231-150600-
CAPE COD BAY-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
WED
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
WED NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
FRI AND FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING NE. SEAS 1 FOOT
OR LESS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT, BECOMING E. 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.
ANZ254-150600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
102 PM EDT TUE APR 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. PATCHY FOG. VSBY 1 NM OR LESS.
WED
W WINDS AROUND 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 4 FT. PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO 3 NM.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS. PATCHY FOG IN THE EVENING WITH VSBY 1 NM OR LESS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI AND FRI NIGHT
SW WINDS AROUND 10 KT, BECOMING E. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS AROUND 10 KT, BECOMING SE. 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.
ANZ255-150600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
102 PM EDT TUE APR 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM
AFTER MIDNIGHT.
WED
W WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 TO 4 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT.
FRI AND FRI NIGHT
SW WINDS AROUND 10 KT, BECOMING E. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 10 TO 15 KT, BECOMING SE. 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.
ANZ256-150600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
102 PM EDT TUE APR 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS AROUND 4 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 4 FT. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM AFTER MIDNIGHT.
WED
W WINDS 10 TO 15 KT, BECOMING S IN THE AFTERNOON. SEAS
3 TO 4 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT, BECOMING E. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 10 TO 15 KT, BECOMING E. 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.
ANZ232-150600-
NANTUCKET SOUND-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. PATCHY FOG. VSBY
1 NM OR LESS.
WED
W WINDS AROUND 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
FRI AND FRI NIGHT
SW WINDS AROUND 10 KT, BECOMING E. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT, BECOMING E. 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.
ANZ233-150600-
VINEYARD SOUND-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. PATCHY FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
WED
W WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT.
WED NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING E. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT, BECOMING E. 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.
ANZ234-150600-
BUZZARDS BAY-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. PATCHY FOG.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
WED
W WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
FRI AND FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING NE. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT, BECOMING E. 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.
ANZ235-150600-
RHODE ISLAND SOUND-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. PATCHY FOG. VSBY 1 TO 3 NM, DECREASING
TO 1 NM OR LESS AFTER MIDNIGHT.
WED
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI AND FRI NIGHT
SW WINDS AROUND 10 KT, BECOMING E. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 10 TO 15 KT, BECOMING E. 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.
ANZ237-150600-
BLOCK ISLAND SOUND-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. PATCHY
FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
WED
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING E. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
E WINDS AROUND 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.
ANZ230-150600-
BOSTON HARBOR-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN
1 FOOT OR LESS. PATCHY FOG. A CHANCE OF SHOWERS IN THE EVENING.
VSBY 1 TO 3 NM.
WED
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
WED NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A
CHANCE OF SHOWERS.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FOOT OR LESS.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
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.
ANZ236-150600-
NARRAGANSETT BAY-
102 PM EDT TUE APR 14 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. WAVES 2 TO 3 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
WED
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. WAVES AROUND 2 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI AND FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING NE. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT, BECOMING SE. WAVES
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.
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