fzus51 kbox 190505
cwfbox
expires:202604191800;;616288

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sun apr 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz230-191800-
boston harbor-
104 am edt sun apr 19 2026

.rest of tonight...se winds around 5 kt. waves 1 foot or less.
patchy fog. patchy drizzle. vsby 1 nm or less. 
.sun...se winds 5 to 10 kt, becoming nw 15 to 20 kt with gusts up
to 25 kt in the afternoon. waves around 2 ft. patchy fog.
showers. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt,
becoming w 10 to 15 kt after midnight. waves around 2 ft. a
chance of showers in the evening. 
.mon...w winds 5 to 10 kt. waves 1 foot or less. 
.mon night...nw winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight. 
.tue and tue night...sw winds 10 to 15 kt. waves around 2 ft. 
.wed through thu night...nw winds 10 to 15 kt. 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.

$$

fzus51 kbox 190505
cwfbox
expires:202604191800;;616277

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sun apr 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-191800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt sun apr 19 2026

.rest of tonight...s winds around 5 kt. seas 3 to 4 ft. wave
detail: e 4 ft at 7 seconds and s 1 foot at 8 seconds. patchy
fog. patchy drizzle. vsby 1 nm or less. 
.sun...s winds 10 to 15 kt, becoming w 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 4 ft. wave detail: e 4 ft
at 8 seconds and sw 1 foot at 3 seconds. patchy fog. a chance of
showers in the morning, then showers in the afternoon. vsby 1 nm
or less. 
.sun night...nw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 6 seconds and w 3 ft at 4 seconds. patchy fog in the evening.
showers likely in the evening. 
.mon...w winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: w 2 ft at 4 seconds and
se 2 ft at 7 seconds. 
.mon night...n winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 4 ft. wave detail: n 3 ft at 4 seconds and e
3 ft at 8 seconds. 
.tue and tue night...sw winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: s 3 ft at 4 seconds and n 3 ft at 6 seconds. 
.wed through thu night...nw 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.

$$