Spot Forecast
Issued by NWS Sterling, VA

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Spot Forecast for Key Bridge Response...USCG
National Weather Service Baltimore MD/Washington DC
509 AM EDT Sun May 26 2024

Forecast is based on forecast start time of 0600 EDT on May 26.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

A warm and humid air mass will persist through the holiday weekend
with daily chances of showers and thunderstorms. A strong cold front
will push through the region Monday into Monday night triggering
more numerous showers and thunderstorms, some of which are likely
to become severe. A secondary cold front moves in by mid-week
before high pressure builds in late next week.

NW Branch Patapsco River at Baltimore MD
MLLW Categories - Minor 3.4 ft, Moderate 4.6 ft, Major 6.0 ft
MHHW Categories - Minor 1.7 ft, Moderate 2.9 ft, Major 4.3 ft

              Total      Total    Departure
  Day/Time    Tide       Tide     from Norm   Waves    Flood
             ft MLLW    ft MHHW       ft       ft      Impact
  --------  ---------  ---------  ---------  -------  --------
  26/09 AM     2.8        1.1        0.8       0.5      None
  26/10 PM     2.0        0.3        0.9       0.5      None
  27/10 AM     3.1        1.4        1.2       0.5      None
  27/10 PM     2.3        0.6        1.2       0.5      None
  28/10 AM     2.6        0.9        0.8       0.5      None
  29/12 AM     1.9        0.2        0.6       0.5      None

.TODAY...

Sky/weather.........Mostly sunny (45-55 percent). Isolated showers
                    and thunderstorms late in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 82.
Min humidity........67 percent.
Surface winds (kts).Southeast winds around 4 knots shifting to the
                    east up to 8 knots.
Wave height.........Less than 1 foot.
CEILING (KFT).......8.3 increasing to 22 in the morning, then
                    increasing to 25 early in the afternoon
                    decreasing to 18 early in the afternoon
                    increasing to 25 decreasing to 17 late in the
                    afternoon decreasing to 6.6.
Visibility..........8 increasing to 10 in the late morning and
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........66  67  67  55  43  31  32  32  33  34  36  37
Weather cov.....                                ISO ISO ISO ISO
Weather type....                                RW  RW  RW  RW
Tstm cov........                                ISO ISO ISO ISO
Chc of pcpn (%).10  10  10  10  10  10  10  10  20  20  20  20
Temp............68  70  71  72  73  74  76  77  78  78  79  79
RH..............93  87  87  87  84  82  76  71  69  69  67  67
SFC wnd dir.....SE  E   E   E   E   E   E   SE  SE  SE  SE  SE
SFC wnd spd kts.4   4   4   5   5   6   7   7   8   8   8   8
SFC wnd gst.....5   5   5   6   6   7   8   8   9   9   9   9
Wave height (ft)0   0   0   0   0   0   0   0   0   0   0   0
Ceiling (kft)...8.3 22  22  22  22  22  22  25  18  25  17  6.6
Visibility (sm).8   9   10  10  10  10  10  10  10  10  10  10

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (70-80 percent). Isolated showers
                    and thunderstorms early in the evening. Slight
                    chance of showers overnight, then chance of
                    showers and slight chance of thunderstorms
                    early in the morning.
Chance of pcpn......50 percent.
Min temperature.....Around 69.
Max humidity........97 percent.
Surface winds (kts).South winds 8 to 12 knots.
Wave height.........Less than 1 foot.
CEILING (KFT).......8.4 increasing to 9.3 early in the evening,
                    then decreasing to 6.6 late in the evening
                    increasing to 7.4 overnight decreasing to 1.0.
Visibility..........9 decreasing to 8 early in the morning.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........38  40  41  49  56  64  68  72  76  81  87  92
Weather cov.....ISO ISO                         SCH SCH SCH CHC
Weather type....RW  RW                          RW  RW  RW  RW
Tstm cov........ISO ISO                                     SCH
Chc of pcpn (%).20  20  10  10  10  10  10  10  20  20  20  50
Temp............80  79  77  76  75  74  72  72  71  70  70  70
RH..............67  69  76  79  79  82  87  87  90  93  93  93
SFC wnd dir.....SE  SE  S   S   S   S   S   S   S   S   S   S
SFC wnd spd kts.8   9   9   9   10  10  10  11  11  11  12  12
SFC wnd gst.....9   10  10  10  14  14  14  15  15  15  17  17
Wave height (ft)0   0   0   0   0   0   0   0   0   0   0   0
Ceiling (kft)...8.4 10  10  9.3 7.5 6.6 8.3 8.3 8.3 8.3 7.4 1.0
Visibility (sm).10  10  10  10  10  10  10  10  9   9   9   8

.MEMORIAL DAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    thunderstorms in the morning. Showers through
                    the day. Thunderstorms likely in the afternoon.
Chance of pcpn......90 percent.
Max temperature.....Around 79.
Min humidity........85 percent.
Surface winds (kts).South winds 11 to 13 knots.
Wave height.........1 foot.
CEILING (KFT).......1.0 decreasing to 0.9 early in the afternoon.
Visibility..........8 early in the morning.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........92     91     87     81     76     73
Weather cov.....CHANCE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........S CHC  CHANCE CHANCE CHANCE LIKELY LIKELY
Chc of pcpn (%).50     80     80     80     90     90
Temp............70     70     72     73     75     76
RH..............93     97     90     90     87     87
SFC wind (kts)..S 12   S 11   S 12   S 13   S 13   S 13
SFC wnd gst ....17     15     17     20     20     20
Wave height (ft)0      1      1      1      1      1
Ceiling (kft)...1.0    1.0    1.0    0.9
Visibility (sm).8

$$
Forecaster...Rosa
Requested by...Jackie Gonzalez
Type of request...MARINE
.TAG 2413380.0/LWX
.DELDT 05/26/24
.FormatterVersion 2.0.0
.EMAIL jpg112122@gmail.com,Sitlkeybridgeresponse2024@gmail.com,AF.A3.RSS.Weather@us.af.mil,nws-sterling-wxsupport@noaa.gov