011
FNUS71 KBOX 191415
FWSBOX
SPOT FORECAST FOR AUG25...CGC MELVIN BELL
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1015 AM EDT TUE AUG 19 2025
FORECAST IS BASED ON FORECAST START TIME OF 1000 EDT ON AUGUST 19.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
SHOWERS FROM WEDNESDAY NIGHT WILL BE DIMINISHING BY EARLY THURSDAY
MORNING AND THE REST OF THE FORECAST REMAINS DRY. WINDS ON
THURSDAY WILL BE OUT OF THE EAST 8 TO 15 KTS WITH GUSTS TO 20 KTS.
WINDS WILL DIMINISH A THURSDAY NIGHT THEN INCREASE AGAIN ON FRIDAY
GUSTING TO 18 TO 23 KTS. WAVE HEIGHTS WILL BE 1 TO 2 FEET
THROUGHOUT WITHIN THE HARBOR INTO THURSDAY. WINDS INCREASE
THURSDAY INTO FRIDAY, GENERALLY REMAINING LESS THAN 25 KTS IN
BOSTON HARBOR, AND APPROACHING 40 KTS SOUTH AND EAST OF NANTUCKET.
SEAS SOUTH AND EAST OF NANTUCKET EXPECTED TO BE 18-20 FEET
THURSDAY NIGHT INTO FRIDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 66.
SURFACE WINDS (KTS).EAST WINDS 7 TO 10 KNOTS.
WIND SHIFT..........
SWELL HEIGHT........NORTH SWELL 0 FEET.
WAVE HEIGHT.........LESS THAN 1 FOOT.
WAVE HEIGHT.........LESS THAN 1 FOOT.
SWELL PERIOD........0 SECONDS.
WAVE PERIOD.........0 SECONDS.
WIND WAVE...........LESS THAN 1 FOOT.
VISIBILITY..........9.
SUNSET..............
TIDES...............
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........62 77 69 79 69 68 48 49
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............64 65 64 64 63 65 65 64
SFC WND DIR.....E E E E E E E E
SFC WND SPD KTS.7 8 9 10 10 10 10 10
SFC WND GST.....8 10 10 11 12 12 12 11
SWELL DIRECTION.N N N N N N N N
SWELL HGT (FT)..0 0 0 0 0 0 0 0
SWELL PERIOD (S)0 0 0 0 0 0 0 0
WAVE PERIOD (S).0 0 0 0 0 0 0 0
WIND WAVE (FT)..0 0 0 0 0 0 0 0
WAVE HEIGHT (FT)0 0 0 0 0 0 0 0
VISIBILITY (SM).9 9 9 9 9 9 9 9
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
MIN TEMPERATURE.....AROUND 61.
SURFACE WINDS (KTS).SOUTHEAST WINDS UP TO 10 KNOTS IN THE EVENING
BECOMING LIGHT.
WIND SHIFT..........
SWELL HEIGHT........NORTH SWELL 0 FEET.
WAVE HEIGHT.........LESS THAN 1 FOOT.
WAVE HEIGHT.........LESS THAN 1 FOOT.
SWELL PERIOD........0 SECONDS.
WAVE PERIOD.........0 SECONDS.
WIND WAVE...........LESS THAN 1 FOOT.
VISIBILITY..........9.
SUNRISE.............
TIDES...............
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........56 49 57 59 60 62 59 57 54 56 68 69
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............64 64 64 64 64 63 63 63 63 62 62 62
SFC WND DIR.....E E E SE SE SE SE SE SE SE SE SE
SFC WND SPD KTS.10 9 7 7 6 5 4 3 2 2 2 1
SFC WND GST.....11 10 8 8 7 6 5 4 3 3 3 3
SWELL DIRECTION.N N N N N N N N N N N N
SWELL HGT (FT)..0 0 0 0 0 0 0 0 0 0 0 0
SWELL PERIOD (S)0 0 0 0 0 0 0 0 0 0 0 0
WAVE PERIOD (S).0 0 0 0 0 0 0 0 0 0 0 0
WIND WAVE (FT)..0 0 0 0 0 0 0 0 0 0 0 0
WAVE HEIGHT (FT)0 0 0 0 0 0 0 0 0 0 0 0
VISIBILITY (SM).9 9 9 9 9 9 9 9 9 9 9 9
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS EARLY.
CHANCE OF SHOWERS IN THE AFTERNOON. PATCHY FOG
LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 65.
SURFACE WINDS (KTS).LIGHT WINDS BECOMING EAST UP TO 9 KNOTS IN THE
LATE MORNING AND AFTERNOON.
WIND SHIFT..........
SWELL HEIGHT........NORTH SWELL 0 FEET.
WAVE HEIGHT.........LESS THAN 1 FOOT.
WAVE HEIGHT.........LESS THAN 1 FOOT.
SWELL PERIOD........0 SECONDS.
WAVE PERIOD.........0 SECONDS.
WIND WAVE...........LESS THAN 1 FOOT.
VISIBILITY..........9 DECREASING TO 5 LATE IN THE AFTERNOON.
SUNSET..............
TIDES...............
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........63 68 65 72 75 78 79 79 80 79 77 76
WEATHER COV..... SCH SCH CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........
TEMP............61 61 62 64 64 64 64 63 63 63 62 62
SFC WND DIR.....E E E E E E E E E E E E
SFC WND SPD KTS.2 2 3 4 5 6 7 8 9 9 9 9
SFC WND GST.....3 4 4 5 6 8 10 11 12 12 12 12
SWELL DIRECTION.N N N N N N N N N N N N
SWELL HGT (FT)..0 0 0 0 0 0 0 0 0 0 0 0
SWELL PERIOD (S)0 0 0 0 0 0 0 0 0 0 0 0
WAVE PERIOD (S).0 0 0 0 0 0 0 0 0 0 0 0
WIND WAVE (FT)..0 0 0 0 0 0 0 0 0 0 0 0
WAVE HEIGHT (FT)0 0 0 0 0 0 0 0 0 0 0 0
VISIBILITY (SM).9 9 9 9 9 9 9 9 9 9 5 5
FORECASTER...BELK
REQUESTED BY...DANIEL FINN
TYPE OF REQUEST...MARINE
.TAG 2520221.0/BOX
.DELDT 08/19/25
.FORMATTERVERSION 2.0.0
.EMAIL DANIEL.P.FINN@USCG.MIL
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