676  
FNUS71 KAKQ 250346  
FWSAKQ  
 
SPOT FORECAST FOR CHESAPEAKE MINERAL SANDS NF-26-10...NOAA SHIP NANCY FOSTER  
NATIONAL WEATHER SERVICE WAKEFIELD VA  
1146 PM EDT MON AUG 24 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0000 EDT ON AUGUST 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT 757-899-5734.  
   
DISCUSSION  
 
GENERALLY BENIGN CONDITIONS ARE EXPECTED EARLY THIS MORNING THROUGH  
THE REST OF THE DAY. WINDS INITIALLY WILL BE QUITE LIGHT OUT OF THE  
EAST OVER THE NEXT FEW HOURS BEFORE SHIFTING TO THE NORTH BEHIND A  
SOUTHWARD-DROPPING (DRY) COLD FRONT CLOSER TO SUNRISE. A BRIEF  
INCREASE IN THE WINDS TO ~15 KT IS POSSIBLE IN THE 4 AM/09Z-9 AM/  
13Z TIMEFRAME, WITH GUSTS TO ~20 KT. LIGHT WINDS RETURN LATER THIS  
AFTERNOON INTO TONIGHT, THEN SHIFTING TO THE SOUTH WEDNESDAY. SEAS  
WILL AVERAGE AROUND 2 FT, BUT COULD INCREASE TO 3 FT FOR A TIME  
WITH THE INCREASED NORTHERLY WINDS LATER THIS MORNING. OTHERWISE,  
SEAS AROUND 2 FT CONTINUE THROUGH WEDNESDAY. THE DOMINANT WAVE  
PERIOD WILL BE AROUND 11 SEC, THOUGH IT WILL MIX WITH A SHORT-  
PERIOD (~3 SEC) NORTHERLY WIND SWELL LATER THIS MORNING.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 74.  
MAX APPARENT TEMP...80.  
SURFACE WINDS (KTS).NORTH WINDS 5 TO 6 KNOTS SHIFTING TO AROUND  
11 KNOTS EARLY IN THE MORNING.  
WAVE HEIGHT.........2 FEET.  
WAVE PERIOD.........11 SECONDS.  
VISIBILITY..........7.  
 
TIME (EDT) MIDNGT 2 AM 4 AM  
SKY (%).........31 27 20  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 10  
TEMP............78 77 77  
APARNT TMP (F)..80 79 78  
SFC WIND (KTS)..W 4 N 6 N 9  
SFC WND GST ....5 8 11  
WAVE PERIOD (S).11 11 11  
WAVE HEIGHT (FT)2 2 2  
VISIBILITY (SM).7 7 7  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MAX APPARENT TEMP...78.  
SURFACE WINDS (KTS).NORTHWEST WINDS 5 TO 13 KNOTS.  
WAVE HEIGHT.........2 FEET.  
WAVE PERIOD.........11 SECONDS.  
VISIBILITY..........7.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........17 18 14 18 30 20  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............77 76 75 75 76 78  
APARNT TMP (F)..77 75 74 74 76 78  
SFC WIND (KTS)..N 12 N 13 N 11 N 10 N 9 N 5  
SFC WND GST ....15 16 14 13 11 6  
WAVE PERIOD (S).11 11 11 11 11 11  
WAVE HEIGHT (FT)2 2 2 2 2 2  
VISIBILITY (SM).7 7 7 7 7 7  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 77.  
MAX APPARENT TEMP...78.  
SURFACE WINDS (KTS).WEST WINDS 5 TO 6 KNOTS SHIFTING TO THE AROUND  
6 KNOTS LATE IN THE EVENING, THEN SHIFTING TO  
THE NORTHWEST 5 TO 7 KNOTS OVERNIGHT.  
WAVE HEIGHT.........2 FEET.  
WAVE PERIOD.........11 SECONDS.  
VISIBILITY..........7.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........22 14 5 15 17 21  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............77 77 77 77 77 77  
APARNT TMP (F)..77 77 77 78 78 78  
SFC WIND (KTS)..NW 4 W 6 W 6 NW 6 NW 7 NW 5  
SFC WND GST ....5 8 8 8 9 6  
WAVE PERIOD (S).11 10 10 10 10 10  
WAVE HEIGHT (FT)2 2 2 2 2 2  
VISIBILITY (SM).7 7 7 7 7 7  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MAX APPARENT TEMP...80.  
SURFACE WINDS (KTS).WEST WINDS AROUND 5 KNOTS EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING SOUTHWEST 5 TO 6  
KNOTS LATE IN THE MORNING INCREASING TO SOUTH 6  
TO 8 KNOTS.  
WAVE HEIGHT.........2 FEET.  
WAVE PERIOD.........10 SECONDS.  
VISIBILITY..........7.  
 
TIME (EDT) 6 AM 10 AM 2 PM  
SKY (%).........16 9 9  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
TEMP............77 77 79  
APARNT TMP (F)..78 79 80  
SFC WIND (KTS)..NW 5G6 W 4G5 SW 6G8  
WAVE PERIOD (S).10 10 9  
WAVE HEIGHT (FT)2 2 2  
VISIBILITY (SM).7 7 7  
 
 
FORECASTER...WRAY  
REQUESTED BY...OPERATIONS OFFICER  
TYPE OF REQUEST...MARINE  
.TAG 2619900.3/AKQ  
.DELDT 08/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL XO.NANCY.FOSTER@NOAA.GOV,NAV.NANCY.FOSTER@NOAA.GOV,CO.NANCY.FOSTER@NOAA.GOV,DALE.GUMP@NOAA.GOV,OPS.NANCY.FOSTER@NOAA.GOV  
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