538
FNUS71 KAKQ 170938
FWSAKQ
SPOT FORECAST FOR NF-26-10 CHESAPEAKE MINERAL SANDS - LEG 1...NOAA SHIP NANCY FOSTER
NATIONAL WEATHER SERVICE WAKEFIELD VA
538 AM EDT MON AUG 17 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 EDT ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE AT 757-899-5734.
DISCUSSION
A FEW LINGERING SHOWERS EARLY THIS MORNING. OTHERWISE, FAIR
WEATHER PREVAILS, WITH WARMER AND MORE HUMID CONDITIONS TODAY. SW
WINDS 15-20 KT DIMINISH TO 10-15 KT BY AFTERNOON, WITH 4 FT SEAS
SLOWLY SUBSIDING TO ~3 FT BY LATE IN THE DAY. SHOWERS AND STORMS
POSSIBLE ONCE AGAIN THIS EVENING AND LATE TONIGHT.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (30-40 PERCENT). CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MAX APPARENT TEMP...94.
SURFACE WINDS (KTS).SOUTHWEST WINDS 9 TO 18 KNOTS DECREASING TO
AROUND 8 KNOTS LATE IN THE AFTERNOON.
WAVE HEIGHT.........4 FEET.
WAVE PERIOD.........5 SECONDS.
VISIBILITY..........7.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........90 81 79 74 67 60 52 46 40 34 28 22
WEATHER COV.....CHC CHC
WEATHER TYPE....RW RW
TSTM COV........SCH SCH
CHC OF PCPN (%).40 50 10 10 0 0 0 0 10 10 10 10
TEMP............79 80 81 81 81 81 82 82 83 83 84 84
APARNT TMP (F)..79 87 89 88 88 88 90 90 92 92 94 93
SFC WND DIR.....SW SW SW SW SW SW SW SW SW SW SW SW
SFC WND SPD KTS.18 18 17 17 17 16 14 12 11 10 9 8
SFC WND GST.....23 23 21 21 21 20 18 15 14 13 11 10
WAVE PERIOD (S).5 5 5 5 5 5 5 5 5 5 5 5
WAVE HEIGHT (FT)4 4 4 4 4 4 4 4 4 4 3 3
VISIBILITY (SM).7 7 7 7 7 7 7 7 7 7 7 7
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
SLIGHT CHANCE OF SHOWERS OVERNIGHT. SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 79.
MAX APPARENT TEMP...94.
SURFACE WINDS (KTS).WEST WINDS 6 TO 7 KNOTS.
WAVE HEIGHT.........3 FEET SUBSIDING TO 2 FEET OVERNIGHT, THEN
BUILDING TO 3 FEET AFTER 3 AM.
WAVE PERIOD.........9 SECONDS.
VISIBILITY..........7.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........22 15 40 40 35 36 40 52 71 72 72 68
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH
CHC OF PCPN (%).10 10 20 20 10 10 10 10 20 20 20 20
TEMP............84 83 83 83 82 82 82 82 81 81 81 81
APARNT TMP (F)..94 92 93 94 93 92 92 92 90 90 90 90
SFC WND DIR.....SW SW SW SW SW SW SW SW SW W W W
SFC WND SPD KTS.7 7 7 7 6 7 6 6 6 6 6 6
SFC WND GST.....9 9 9 9 8 9 8 8 8 8 8 8
WAVE PERIOD (S).5 5 5 5 5 5 5 5 9 9 9 9
WAVE HEIGHT (FT)3 3 3 3 3 3 3 2 2 2 3 3
VISIBILITY (SM).7 7 7 7 7 7 7 7 7 7 7 7
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING
SUNNY (20-30 PERCENT). SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS EARLY IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 82.
MAX APPARENT TEMP...90.
SURFACE WINDS (KTS).NORTHWEST WINDS AROUND 6 KNOTS SHIFTING TO THE
NORTH 5 TO 6 KNOTS IN THE LATE MORNING AND
AFTERNOON.
WAVE HEIGHT.........3 FEET.
WAVE PERIOD.........9 SECONDS.
VISIBILITY..........7.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........67 49 50 56 55 54 58 45 38 19 19 29
WEATHER COV.....SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW
TSTM COV........SCH SCH
CHC OF PCPN (%).20 20 10 10 10 10 20 20 10 10 10 10
TEMP............81 81 81 80 81 81 80 80 81 81 81 81
APARNT TMP (F)..90 90 89 87 89 88 87 86 88 88 88 88
SFC WND DIR.....W NW NW NW N N N N N N N N
SFC WND SPD KTS.6 6 6 6 6 6 5 6 6 6 5 5
SFC WND GST.....8 8 8 8 8 8 6 8 8 8 6 6
WAVE PERIOD (S).9 9 5 5 5 5 5 5 5 5 5 5
WAVE HEIGHT (FT)3 3 3 3 3 3 3 3 3 3 3 3
VISIBILITY (SM).7 7 7 7 7 7 7 7 7 7 7 7
FORECASTER...MONTEFUSCO
REQUESTED BY...OPERATIONS OFFICER
TYPE OF REQUEST...MARINE
.TAG 2619827.0/AKQ
.DELDT 08/17/26
.FORMATTERVERSION 2.0.0
.EMAIL XO.NANCY.FOSTER@NOAA.GOV,CO.NANCY.FOSTER@NOAA.GOV,OPS.NANCY.FOSTER@NOAA.GOV
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