fzus51 kbox 180505
cwfbox
expires:202607181800;;156690

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt sat jul 18 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz230-181800-
boston harbor-
105 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through sunday morning...

.rest of tonight...sw winds around 5 kt. waves 1 foot or less.
patchy smoke. 
.sat...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 30 kt in the afternoon. waves around 2 ft. patchy smoke.
showers likely in the afternoon. 
.sat night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. waves around 2 ft. showers. a
chance of tstms in the evening. some tstms may produce heavy
rainfall in the evening. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.sun night...nw winds 5 to 10 kt. waves 1 foot or less. 
.mon and mon night...s winds 5 to 10 kt. waves around 2 ft. 
.tue...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. a chance of showers and tstms. 
.tue night and wed...s winds 10 to 15 kt with gusts up to 25 kt.
waves around 2 ft. showers with a chance of tstms. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of showers and tstms.  

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.

$$

fzus51 kbox 180505
cwfbox
expires:202607181800;;156679

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt sat jul 18 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-181800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through sunday morning...

.rest of tonight...sw winds around 5 kt. seas around 2 ft. wave
detail: n 1 foot at 3 seconds and se 1 foot at 5 seconds. patchy
smoke. 
.sat...s winds 5 to 10 kt with gusts up to 20 kt, increasing to
20 to 25 kt with gusts up to 30 kt in the afternoon. seas around
2 ft, building to 3 to 5 ft in the afternoon. wave detail: s 2 ft
at 5 seconds and n 1 foot at 3 seconds, becoming s 5 ft at
5 seconds and w 2 ft at 4 seconds. patchy smoke. a chance of
showers in the afternoon. 
.sat night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: s 5 ft at 6 seconds and n 1 foot at
13 seconds. a chance of showers. a chance of tstms in the
evening. some tstms may produce heavy rainfall in the evening. 
.sun...w winds 15 to 20 kt, becoming nw 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 5 seconds and se 2 ft at 7 seconds. 
.sun night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw
2 ft at 4 seconds and s 2 ft at 7 seconds. 
.mon and mon night...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: s 2 ft at 3 seconds and se 2 ft at
8 seconds. 
.tue...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. a chance of showers. 
.tue night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. showers with a chance of tstms. 
.wed...s winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. showers.
.wed night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 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.

$$