Spot Forecast
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Spot Forecast for Key Bridge Response...USCG
National Weather Service Baltimore MD/Washington DC
554 AM EDT Fri May 24 2024

Forecast is based on forecast start time of 0600 EDT on May 24.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

A cold front will approach from the Ohio River Valley bringing
renewed chances for showers through today.
Additional shower and thunderstorm chances are forecast over the
weekend as the front stalls nearby. A stronger cold front tracks
through on Monday with additional storm chances expected. Drier
conditions return by the middle of 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
  --------  ---------  ---------  ---------  -------  --------
  24/08 AM     2.4        0.7        0.4       0.5      None
  24/08 PM     1.7        0.0        0.7       0.5      None
  25/08 AM     2.7        1.0        0.7       0.5      None
  25/09 PM     1.9        0.2        0.8       0.5      None
  26/09 AM     2.9        1.2        0.9       0.5      None
  26/10 PM     2.1        0.4        1.0       0.5      None

.TODAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (35-45 percent). Isolated showers
                    early in the morning.
Chance of pcpn......20 percent.
Max temperature.....Around 79.
Min humidity........67 percent.
Surface winds (kts).Light winds.
Wave height.........Less than 1 foot.
CEILING (KFT).......7.4 increasing to 8.3 early in the morning,
                    then decreasing to 6.5 in the late morning and
                    early afternoon decreasing to 5.7 late in the
                    afternoon.
Visibility..........8 increasing to 10 early in the morning.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........86  84  81  80  80  79  72  66  59  50  42  33
Weather cov.....ISO ISO
Weather type....RW  RW
Tstm cov........
Chc of pcpn (%).20  20  10  10  10  10  10  10  10  10  10  10
Temp............69  69  71  71  72  72  73  74  75  75  76  76
RH..............87  87  84  84  81  81  76  74  71  71  69  69
SFC wnd dir.....NW  N   N   N   N   NE  NE  NE  E   SE  SE  S
SFC wnd spd kts.2   2   2   1   2   2   2   3   3   3   3   3
SFC wnd gst.....3   4       3   3   3   3   5   5   4   5   4
Wave height (ft)0   0   0   0   0   0   0   0   0   0   0   0
Ceiling (kft)...7.4 8.3 9.2 8.3 7.4 7.4 6.6 6.6 6.5 6.5 5.7 5.7
Visibility (sm).8   8   10  10  10  10  10  10  10  10  10  10

.TONIGHT...

Sky/weather.........Partly cloudy (20-30 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 67.
Max humidity........93 percent.
Surface winds (kts).Light winds.
Wave height.........Less than 1 foot.
CEILING (KFT).......5.7 increasing to 25 in the late evening and
                    overnight.
Visibility..........10 decreasing to 5.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........29  26  22  23  23  24  26  29  31  30  30  29
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  10  10  10  10  10  10  10  10  10  10
Temp............77  76  75  74  73  72  71  70  69  69  68  68
RH..............67  69  74  79  81  84  87  90  90  90  93  90
SFC wnd dir.....S   S   S   S   S   S   SW  SW  SW  SW  NW  N
SFC wnd spd kts.2   2   2   2   2   2   2   2   2   1   1   2
SFC wnd gst.....4   3   4   3   3   3   3   3   3   2   2
Wave height (ft)0   0   0   0   0   0   0   0   0   0   0   0
Ceiling (kft)...5.7 5.7 5.7 25  25  25  25  25  25  25  25  25
Visibility (sm).10  10  10  10  10  10  10  10  8   8   8   5

.SATURDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    showers late in the morning. Slight chance of
                    thunderstorms late in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 80.
Min humidity........64 percent.
Surface winds (kts).Light winds becoming southeast up to 5 knots in
                    the afternoon.
Wave height.........Less than 1 foot.
CEILING (KFT).......25 early in the morning.
Visibility..........5 increasing to 8 early in the morning.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........32     38     51     55     59     54
Weather cov.....                     S CHC  S CHC  S CHC
Weather type....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
Tstm cov........                            S CHC  S CHC
Chc of pcpn (%).10     10     10     20     20     20
Temp............67     70     73     75     77     78
RH..............93     87     81     74     67     64
SFC wind (kts)..N 2    E 2    SE 3   SE 4   SE 5   S 5
SFC wnd gst ....       3      4      5      7      7
Wave height (ft)0      0      0      0      0      0
Ceiling (kft)...25
Visibility (sm).5      8

$$
Forecaster...Rosa
Requested by...Jackie Gonzalez
Type of request...MARINE
.TAG 2413378.0/LWX
.DELDT 05/24/24
.FormatterVersion 2.0.0
.EMAIL Sitlkeybridgeresponse2024@gmail.com,nws-sterling-wxsupport@noaa.gov,jpg112122@gmail.com,AF.A3.RSS.Weather@us.af.mil