568  
FZUS51 KBOX 131405  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1004 AM EDT WED AUG 13 2025  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-140300-  
1004 AM EDT WED AUG 13 2025  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS  
 
HIGH PRES IS CONTINUING TO BRING RATHER TRANQUIL BOATING CONDITIONS  
THROUGH MIDWEEK. WINDS GRADUALLY INCREASE FROM THE SW TODAY AND WED  
BUT REMAIN BELOW SMALL CRAFT ADVISORY CRITERIA FOR MOST AREAS.  
NORTHERN OUTER WATERS MAY APPROACH 25 KTS BRIEFLY LATER WEDNESDAY. A  
COLD FRONT SHOULD CROSS THE WATERS THU NIGHT INTO FRI.  
 
 
 
ANZ250-140300-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.    
TONIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.  
AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
THU  
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE MORNING.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT  
7 SECONDS. SHOWERS LIKELY. AREAS OF FOG IN THE MORNING WITH VSBY  
1 TO 3 NM.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH  
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW  
2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS. SHOWERS LIKELY IN THE  
EVENING.    
FRI AND FRI NIGHT  
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 1 FOOT AT  
4 SECONDS.    
SAT THROUGH SUN  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NE 2 FT AT  
7 SECONDS.    
SUN NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
AROUND 3 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ251-140300-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 2 FT AT  
8 SECONDS. ISOLATED TSTMS. SOME TSTMS MAY BE SEVERE WITH GUSTY  
WINDS AND HEAVY RAINFALL.    
TONIGHT  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E  
2 FT AT 8 SECONDS.    
THU  
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT  
AT 3 SECONDS AND E 2 FT AT 7 SECONDS. SHOWERS LIKELY.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH  
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW  
2 FT AT 3 SECONDS AND E 2 FT AT 7 SECONDS. SHOWERS LIKELY IN THE  
EVENING.    
FRI  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 1 FOOT AT  
16 SECONDS.    
FRI NIGHT  
E WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS  
2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND E 1 FOOT AT  
15 SECONDS.    
SAT THROUGH SUN  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT.    
SUN NIGHT  
W WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. A CHANCE OF SHOWERS.  
 
WINDS AND SEAS 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.  
 
 
 
ANZ231-140300-  
CAPE COD BAY-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.    
TONIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT  
8 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
THU  
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S  
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS. SHOWERS LIKELY.  
AREAS OF FOG IN THE MORNING.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH  
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:  
SW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 7 SECONDS. SHOWERS LIKELY  
IN THE EVENING.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND E 1 FOOT AT  
16 SECONDS.    
SAT AND SAT NIGHT  
E WINDS 5 TO 10 KT, BECOMING S. SEAS AROUND  
2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND E 1 FOOT AT  
15 SECONDS.    
SUN  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT.    
SUN NIGHT  
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ254-140300-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 2 FT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.    
TONIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.  
AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
THU  
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT  
AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS. AREAS  
OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH  
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND S 2 FT AT  
5 SECONDS.    
SAT THROUGH SUN  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NE 3 FT AT  
6 SECONDS.    
SUN NIGHT  
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS  
AROUND 3 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ255-140300-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.    
TONIGHT  
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW  
2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. AREAS OF FOG AFTER  
MIDNIGHT WITH VSBY 1 TO 3 NM.   
THU  
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT  
AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS. AREAS  
OF FOG IN THE MORNING. VSBY 1 TO 3 NM IN THE AFTERNOON.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND  
SE 1 FOOT AT 8 SECONDS. AREAS OF FOG IN THE EVENING. A CHANCE OF  
SHOWERS IN THE EVENING WITH VSBY 1 TO 3 NM.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT AT 7 SECONDS AND SW 2 FT AT  
5 SECONDS.    
SAT THROUGH SUN  
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: SW 3 FT AT 4 SECONDS AND NE 2 FT AT 6 SECONDS.    
SUN NIGHT  
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS.  
 
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.  
 
 
 
ANZ256-140300-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.    
TONIGHT  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS AROUND 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND  
E 2 FT AT 8 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 TO  
3 NM.    
THU  
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT  
AT 4 SECONDS AND E 2 FT AT 8 SECONDS. SHOWERS LIKELY, MAINLY IN  
THE MORNING. AREAS OF FOG IN THE MORNING.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE  
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S 2 FT AT  
5 SECONDS.    
SAT THROUGH SUN  
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: SW 3 FT AT 4 SECONDS AND NE 2 FT AT 6 SECONDS.    
SUN NIGHT  
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS.  
 
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.  
 
 
 
ANZ232-140300-  
NANTUCKET SOUND-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.    
TONIGHT  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND  
E 1 FOOT AT 8 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 TO  
3 NM.    
THU  
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW  
2 FT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS. SHOWERS LIKELY.  
AREAS OF FOG IN THE MORNING.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER  
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS  
AND E 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND SW 1 FOOT  
AT 5 SECONDS.    
SAT THROUGH SUN  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND NE 1 FOOT  
AT 4 SECONDS.    
SUN NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 3 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ233-140300-  
VINEYARD SOUND-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.    
TONIGHT  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND  
SE 1 FOOT AT 8 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY  
1 TO 3 NM.    
THU  
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW  
2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. SHOWERS LIKELY.  
AREAS OF FOG IN THE MORNING.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER  
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS  
AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW 1 FOOT  
AT 5 SECONDS.    
SAT AND SAT NIGHT  
E WINDS 5 TO 10 KT, BECOMING S. SEAS AROUND  
2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT  
5 SECONDS.    
SUN  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT.    
SUN NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 3 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ234-140300-  
BUZZARDS BAY-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.    
TONIGHT  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE  
1 FOOT AT 8 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 TO  
3 NM.    
THU  
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW  
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. SHOWERS LIKELY.  
AREAS OF FOG IN THE MORNING.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER  
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS  
AND SE 1 FOOT AT 8 SECONDS. SHOWERS LIKELY IN THE EVENING.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SW 1 FOOT AT  
5 SECONDS.    
SAT AND SAT NIGHT  
E WINDS 5 TO 10 KT, BECOMING S. SEAS 1 FOOT  
OR LESS, THEN AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS  
AND S 1 FOOT AT 5 SECONDS, BECOMING S 1 FOOT AT 3 SECONDS AND SE  
1 FOOT AT 6 SECONDS.    
SUN  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT.    
SUN NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ235-140300-  
RHODE ISLAND SOUND-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.    
TONIGHT  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE  
1 FOOT AT 8 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 TO  
3 NM.    
THU  
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW  
2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. SHOWERS LIKELY.  
AREAS OF FOG IN THE MORNING.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER  
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND  
SE 1 FOOT AT 9 SECONDS. AREAS OF FOG IN THE EVENING. A CHANCE OF  
SHOWERS IN THE EVENING WITH VSBY 1 TO 3 NM.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S 1 FOOT AT  
5 SECONDS.    
SAT THROUGH SUN  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT  
5 SECONDS.    
SUN NIGHT  
W WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SHOWERS.  
 
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.  
 
 
 
ANZ237-140300-  
BLOCK ISLAND SOUND-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT  
8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.    
TONIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,  
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE  
DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS. AREAS OF  
FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
THU  
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW  
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. SHOWERS LIKELY.  
AREAS OF FOG IN THE MORNING.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS  
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT  
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND S 1 FOOT AT  
5 SECONDS.    
SAT THROUGH SUN  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT  
6 SECONDS.    
SUN NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ230-140300-  
BOSTON HARBOR-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT  
WITH GUSTS UP TO 20 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT. A  
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. SOME TSTMS MAY  
BE SEVERE WITH GUSTY WINDS AND HEAVY RAINFALL.    
TONIGHT  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. WAVES AROUND 2 FT.    
THU  
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. SHOWERS LIKELY.  
SCATTERED TSTMS IN THE AFTERNOON. SOME TSTMS MAY PRODUCE GUSTY  
WINDS AND HEAVY RAINFALL IN THE AFTERNOON.    
THU NIGHT  
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT.  
SHOWERS LIKELY WITH SCATTERED TSTMS IN THE EVENING. SOME TSTMS  
MAY PRODUCE GUSTY WINDS AND HEAVY RAINFALL IN THE EVENING.    
FRI  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND  
2 FT.    
FRI NIGHT  
E WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES  
1 FOOT OR LESS.    
SAT THROUGH SUN  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
WAVES AROUND 2 FT.    
SUN NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES  
AROUND 2 FT. 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.  
 
 
 
ANZ236-140300-  
NARRAGANSETT BAY-  
1004 AM EDT WED AUG 13 2025  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES  
AROUND 2 FT. AREAS OF FOG. VSBY 1 TO 3 NM.    
TONIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
S 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT. AREAS OF FOG  
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
THU  
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SHOWERS LIKELY.  
AREAS OF FOG IN THE MORNING.    
THU NIGHT  
SW WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.  
WAVES AROUND 2 FT. SHOWERS LIKELY IN THE EVENING.    
FRI AND FRI NIGHT  
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
WAVES AROUND 2 FT.    
SAT THROUGH SUN  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
WAVES 2 TO 3 FT.    
SUN NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES  
2 TO 3 FT. A CHANCE OF SHOWERS.  
 
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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