Spot Forecast
Issued by NWS Sterling, VA

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FNUS71 KLWX 230945
FWSLWX

Spot Forecast for Key Bridge Response...USCG
National Weather Service Baltimore MD/Washington DC
545 AM EDT Tue Apr 23 2024

Forecast is based on forecast start time of 0600 EDT on April 23.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Dry and warmer conditions expected today as southerly winds
develop and strengthen. A Small Craft Advisory goes into effect at
noon today. Sustained winds around 10-12 knots with gusts to 20-25
knots at times this afternoon into tonight. Increasing tide levels
today into tonight, with minor tidal flooding possible in
vulnerable low-lying shorelines.

A cold front reaches the area tonight bringing a chance of
showers. Winds quickly turn northwest behind the front by early
Wednesday afternoon. Sustained winds increase to around 11-13
knots, with gusts 17-21 knots through Wednesday late evening.

High pressure builds into the area Thursday, bringing dry
conditions and cooler temperatures. Winds remain elevated through
Thursday morning, turning north to northeast, and sustained at
10-14 knots with gusts of 16-18 knots. Winds diminish below 10
knots late Thursday morning.

The current water temperatures is 58 degrees.

NW Branch Patapsco River at Baltimore MD
MLLW Categories - Minor 3.0 ft, Moderate 5.0 ft, Major 6.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.3 ft, Major 4.3 ft

              Total      Total    Departure
  Day/Time    Tide       Tide     from Norm   Waves    Flood
             ft MLLW    ft MHHW       ft       ft      Impact
  --------  ---------  ---------  ---------  -------  --------
  23/07 AM     2.6        0.9        1.0       0.5      None
  23/08 PM     2.4        0.7        1.3       0.5      None
  24/07 AM     3.3        1.6        1.6       0.5      None
  24/07 PM     1.8        0.1        0.8       1.0      None
  25/08 AM     2.1        0.4        0.3       0.5      None
  25/08 PM     1.7        0.0        0.7       0.5      None


.TODAY...

Sky/weather.........Sunny (10-20 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 68.
Min humidity........37 percent.
Surface winds (kts).Light winds becoming south 10 to 12 knots late
                    in the morning.
Wave height.........1 foot.
CEILING (KFT).......25.
Visibility..........10.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   10  25  23  21  19  13  8   2   4   6   8
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............46  47  49  53  56  59  61  63  65  66  66  68
RH..............71  68  68  61  53  49  46  41  38  38  40  37
SFC wnd dir.....W   NW  N   N   S   S   S   S   S   S   S   S
SFC wnd spd kts.3   3   0   0   2   5   7   9   10  11  12  12
SFC wnd gst.....4   4   1   2   5   10  13  16  18  19  18  18
Wave height (ft)0   0   0   0   0   0   0   1   1   1   1   1
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  10

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (75-85 percent). Chance of rain
                    showers overnight.
Chance of pcpn......40 percent.
Min temperature.....Around 55.
Max humidity........72 percent.
Surface winds (kts).South winds 10 to 15 knots shifting to the
                    southwest with gusts to around 20 knots after 3
                    am.
Wave height.........1 foot.
CEILING (KFT).......25 decreasing to 5.0.
Visibility..........10.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........17  26  35  50  64  79  79  79  79  85  91  97
Weather cov.....                                CHC CHC CHC CHC
Weather type....                                RW  RW  RW  RW
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   10  10  10  30  30  30  40
Temp............65  65  63  61  60  58  58  58  57  57  57  56
RH..............41  43  48  53  58  62  62  62  62  64  64  69
SFC wnd dir.....S   S   S   S   S   S   S   S   S   SW  SW  SW
SFC wnd spd kts.12  11  11  11  12  12  12  12  11  10  8   8
SFC wnd gst.....18  18  18  18  18  18  18  18  18  17  17  16
Wave height (ft)1   1   1   1   1   1   1   1   1   1   1   1
Ceiling (kft)...25  25  25  25  25  25  25  25  13  13  13  5.0
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  10

.WEDNESDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (30-40 percent). Chance of rain
                    showers in the morning and early afternoon,
                    then slight chance of rain showers late in the
                    afternoon.
Chance of pcpn......40 percent.
Max temperature.....Around 70.
Min humidity........40 percent.
Surface winds (kts).West winds 7 to 10 knots shifting to the
                    northwest 12 to 14 knots late in the morning.
Wave height.........1 foot.
CEILING (KFT).......5.0 increasing to 25.
Visibility..........10.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........92     82     69     52     31     38
Weather cov.....CHANCE CHANCE CHANCE CHANCE S CHC  S CHC
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
Chc of pcpn (%).40     30     30     30     20     20
Temp............56     57     61     65     68     69
RH..............72     72     62     50     43     40
SFC wind (kts)..SW 7   SW 9   W 11   W 13   NW 14  NW 13
SFC wnd gst ....15     15     17     19     21     20
Wave height (ft)1      1      1      1      1      1
Ceiling (kft)...5.0    9.0    9.0    9.0    9.0    9.0
Visibility (sm).10     10     10     10     10     10

$$
Forecaster...Rodriguez
Requested by...Jackie Gonzalez
Type of request...MARINE
.TAG 2410481.0/LWX
.DELDT 04/23/24
.FormatterVersion 2.0.0
.EMAIL jpg112122@gmail.com,nws-sterling-wxsupport@noaa.gov,Sitlkeybridgeresponse2024@gmail.com


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