500
FNUS71 KAKQ 190345
FWSAKQ

Spot Forecast for chesapeake Mineral Sands NF-26-10...NOAA Ship Nancy Foster
National Weather Service Wakefield VA
1145 PM EDT Tue Aug 18 2026

Forecast is based on forecast start time of 0000 EDT on August 19.
If conditions become unrepresentative...contact the National Weather
Service at 757-899-5734.

.DISCUSSION...
Partly cloud conditions are expected tonight with N-NE winds around
5-10 kt. Winds will shift to be out of the S-SE by the afternoon
today, but remain around 5-10 kt. Conditions will be dry, hot, and
humid with highs in the low 80s today, with shower/storm chances
returning Thursday afternoon/evening. SW swell will continue through
the forecast period at 8-10 seconds with seas generally 2-3 ft.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (55-65 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 77.
Max apparent temp...84.
Surface winds (kts).Northeast winds around 5 knots shifting to the
                    north after 3 am.
Wave height.........2 feet.
Wave period.........10 SECONDS.
Visibility..........6.

TIME (EDT)      MIDNGT 2 AM   4 AM
Sky (%).........47     37     59
Weather cov.....
Weather type....NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0
Temp............79     79     79
Aparnt tmp (F)..84     83     83
SFC wind (kts)..NE 4   NE 5   N 5
SFC wnd gst ....5      6      6
Wave period (s).9      10     10
Wave height (ft)2      2      2
Visibility (sm).7      7      7

.WEDNESDAY...

Sky/weather.........Mostly sunny (35-45 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 81.
Max apparent temp...84.
Surface winds (kts).North winds 5 to 6 knots shifting to the west
                    around 5 knots early in the afternoon, then
                    becoming light late in the afternoon.
Wave height.........2 feet.
Wave period.........10 SECONDS.
Visibility..........5.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........61     38     31     25     18     17
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............78     78     79     79     80     80
Aparnt tmp (F)..82     82     83     82     84     84
SFC wind (kts)..N 5    N 5    N 6    N 5    NW 4   SW 3
SFC wnd gst ....6      6      8      6      5      4
Wave period (s).10     9      9      9      9      9
Wave height (ft)2      2      2      2      2      2
Visibility (sm).5      7      7      7      7      7

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (50-60 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 79.
Max apparent temp...84.
Surface winds (kts).Southwest winds 5 to 8 knots.
Wave height.........2 feet.
Wave period.........9 SECONDS.
Visibility..........7.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........21     29     33     40     39     50
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............80     80     80     79     79     79
Aparnt tmp (F)..84     83     84     81     81     82
SFC wind (kts)..S 4    S 6    S 6    S 6    SW 8   SW 7
SFC wnd gst ....5      8      8      8      10     9
Wave period (s).9      9      9      9      9      9
Wave height (ft)2      2      2      2      2      2
Visibility (sm).7      7      7      7      7      7

.THURSDAY...

Sky/weather.........Mostly sunny (40-50 percent) then becoming
                    mostly cloudy (70-80 percent) then becoming
                    mostly sunny (30-40 percent). Chance of showers
                    and thunderstorms late in the afternoon.
Chance of pcpn......30 percent.
Max temperature.....Around 82.
Max apparent temp...89.
Surface winds (kts).South winds 6 to 11 knots.
Wave height.........2 feet.
Wave period.........9 SECONDS.
Visibility..........7.

TIME (EDT)      6 AM         10 AM        2 PM
Sky (%).........51           44           56
Weather cov.....                          CHANCE
Weather type....NONE         NONE         RNSHWR
Tstm cov........                          CHANCE
Chc of pcpn (%).0            10           30
Temp............79           81           82
Aparnt tmp (F)..82           87           89
SFC wind (kts)..SW 7G9       S 7G9        S 10G13
Wave period (s).9            8            8
Wave height (ft)2            2            2
Visibility (sm).7            7            7

$$
Forecaster...CHILCOTE
Requested by...Operations Officer
Type of request...MARINE
.TAG 2619900.1/AKQ
.DELDT 08/19/26
.FormatterVersion 2.0.0
.EMAIL ops.nancy.foster@noaa.gov,nav.nancy.foster@noaa.gov,xo.nancy.foster@noaa.gov,co.nancy.foster@noaa.gov