Spot Forecast
Issued by NWS Sterling, VA

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352
FNUS71 KLWX 132351
FWSLWX

Spot Forecast for Key Bridge Response...USCG
National Weather Service Baltimore MD/Washington DC
751 PM EDT Mon May 13 2024

Forecast is based on forecast start time of 2000 EDT on May 13.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Dry conditions will continue overnight as cloud cover gradually increases.
Overnight temperatures will be around 60 degrees. A Small Craft Advisory
remains in effect from until 2400 LT for south winds around 10 knots and
gusts up to 20 knots expected. After 2400 LT, winds diminish to blowing 5-10
knots out of the south. Winds Tuesday afternoon will be out of the
south/southeast blowing around 10 knots with gusts around 15 knots likely.

Tide levels have lowered slightly and are around 1.40 feet above
astronomical normal. Tide levels are forecast to remain steady through
Tuesday night, before beginning to decrease slightly. At this time, minor
flooding is unlikely based on Baltimore thresholds.

Rain chances increase tomorrow morning with showers expected to become
widespread in the afternoon. In addition to rain showers, a few thunderstorms
are also possible in the afternoon with thunderstorm chances peaking after
sunset.High temperatures will be in the low to mid 70s tomorrow with
temperatures Tuesday night expected to be in the low 60s.

The current water temperature is 66 degrees.

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
  --------  ---------  ---------  ---------  -------  --------
  14/12 AM     2.9        1.2        1.7       0.5      None
  14/12 PM     2.9        1.2        1.4       0.5      None
  15/01 AM     2.7        1.0        1.4       0.5      None
  15/01 PM     2.7        1.0        1.3       0.5      None
  16/01 AM     2.1        0.4        0.8       0.5      None
  16/02 PM     2.0        0.3        0.6       0.5      None

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (45-55 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 60.
Max humidity........84 percent.
Surface winds (kts).South winds 6 to 11 knots.
Wave height.........1 foot.
CEILING (KFT).......24.
Visibility..........10.

TIME (EDT)      8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........31  31  30  30  31  32  33  39  45  51
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0
Temp............67  67  66  65  64  63  62  62  62  61
RH..............65  68  70  73  75  78  78  78  78  84
SFC wnd dir.....S   S   S   S   S   S   S   S   S   S
SFC wnd spd kts.11  10  10  9   8   7   6   6   6   6
SFC wnd gst.....18  17  16  15  14  12  11  10  10  10
Wave height (ft)1   1   1   1   1   1   1   1   0   0
Ceiling (kft)...25  25  25  25  25  25  25  24  24  24
Visibility (sm).10  10  10  10  10  10  10  10  10  10

.TUESDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Scattered
                    showers in the morning, then numerous showers
                    and isolated thunderstorms in the afternoon.
Chance of pcpn......70 percent.
Max temperature.....Around 72.
Min humidity........76 percent.
Surface winds (kts).South winds 6 to 11 knots.
Wave height.........1 foot.
CEILING (KFT).......23 decreasing to 1.3.
Visibility..........9 decreasing to 5.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........62  74  85  87  90  92  94  96  98  96  95  93
Weather cov.....        ISO ISO SCT SCT SCT SCT NUM NUM NUM NUM
Weather type....        RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........                                            ISO
Chc of pcpn (%).10  10  20  20  30  30  40  50  60  60  60  70
Temp............62  62  63  65  66  66  68  69  69  70  68  68
RH..............81  84  84  81  78  84  78  76  76  76  81  81
SFC wnd dir.....S   S   S   S   S   S   S   S   S   S   S   S
SFC wnd spd kts.6   6   6   6   6   7   8   9   10  11  11  11
SFC wnd gst.....10  10  11  12  12  13  14  14  15  15  15  15
Wave height (ft)0   0   0   1   1   1   1   1   1   1   1   1
Ceiling (kft)...23  20  11  8.6 6.7 4.8 3.4 3.3 2.4 2.0 1.7 1.3
Visibility (sm).10  10  10  10  10  9   9   9   7   7   6   5

.TUESDAY NIGHT...

Sky/weather.........Cloudy (90-100 percent). Showers likely early
                    in the evening. Slight chance of thunderstorms
                    in the evening. Showers.
Chance of pcpn......90 percent.
Min temperature.....Around 63.
Max humidity........97 percent.
Surface winds (kts).Southeast winds 10 to 12 knots decreasing to
                    around 8 knots early in the morning.
Wave height.........1 foot.
CEILING (KFT).......1.2 decreasing to 1.0 late in the evening, then
                    decreasing to 0.9 overnight.
Visibility..........4 increasing to 5 late in the evening.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........93     93     93     92     93     93
Weather cov.....LIKELY DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........S CHC  S CHC  S CHC
Chc of pcpn (%).70     90     90     90     80     80
Temp............68     66     65     65     64     63
RH..............81     87     90     87     90     97
SFC wind (kts)..S 11   S 10   SE 11  SE 12  SE 12  SE 10
SFC wnd gst ....15     16     17     17     15     13
Wave height (ft)1      1      1      1      1      1
Ceiling (kft)...1.2    1.5    1.2    0.9    1.2    1.2
Visibility (sm).5      5      5      6      5      5

$$
Forecaster...Stuck
Requested by...Jackie Gonzalez
Type of request...MARINE
.TAG 2413853.0/LWX
.DELDT 05/13/24
.FormatterVersion 2.0.0
.EMAIL nws-sterling-wxsupport@noaa.gov,jpg112122@gmail.com,Sitlkeybridgeresponse2024@gmail.com