Spot Forecast
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8
990
FNUS71 KLWX 230847
FWSLWX

Spot Forecast for Key Bridge Response...USCG
National Weather Service Baltimore MD/Washington DC
447 AM EDT Thu May 23 2024

Forecast is based on forecast start time of 0600 EDT on May 23.
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 and thunderstorms through tonight.
Additional shower and thunderstorm chances are forecast Saturday
as the front stalls nearby. A stronger cold front will bring a
greater risk of severe weather on Memorial Day. Cooler and drier
conditions return for the middle and second half 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
  --------  ---------  ---------  ---------  -------  --------
  23/07 AM     3.0        1.3        1.1       0.5      None
  23/07 PM     1.8        0.1        0.8       0.5      None
  24/07 AM     2.7        1.0        0.8       0.5      None
  24/08 PM     1.6       -0.1        0.6       0.5      None
  25/09 AM     2.8        1.1        0.8       0.5      None
  25/09 PM     1.8        0.1        0.7       0.5      None


.TODAY...

Sky/weather.........Mostly cloudy (80-90 percent). Scattered
                    showers and isolated thunderstorms through the
                    day.
Chance of pcpn......50 percent.
Max temperature.....Around 81.
Min humidity........60 percent.
Surface winds (kts).Southwest winds around 4 knots shifting to the
                    west up to 6 knots in the late morning and
                    early afternoon, then shifting to the southwest
                    up to 5 knots late in the afternoon.
Wave height.........Less than 1 foot.
CEILING (KFT).......10 decreasing to 8.8 late in the morning, then
                    decreasing to 7.7 late in the morning
                    increasing to 8.6 early in the afternoon
                    increasing to 10.
Visibility..........10.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........87  86  88  88  87  94  92  86  79  71  79  78
Weather cov.....SCT SCT SCT SCT SCT SCT SCT ISO     ISO SCT SCT
Weather type....RW  RW  RW  RW  RW  RW  RW  RW      RW  RW  RW
Tstm cov........ISO ISO ISO ISO ISO ISO ISO         ISO ISO ISO
Chc of pcpn (%).40  40  50  50  50  50  40  20  10  20  30  30
Temp............71  72  73  74  75  75  77  78  79  80  80  80
RH..............84  84  81  79  74  74  69  67  64  62  60  62
SFC wnd dir.....SW  SW  W   W   NW  NW  W   SW  SW  SW  S   S
SFC wnd spd kts.4   4   4   5   6   6   4   4   4   4   5   5
SFC wnd gst.....8   8   11  11  11  10  8   6   6   7   8   8
Wave height (ft)0   0   0   0   0   0   0   0   0   0   0   0
Ceiling (kft)...10  10  10  10  8.8 7.7 9.2 8.6 12  11  10  10
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  10

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Scattered
                    thunderstorms in the evening. Scattered showers
                    through the night. Isolated thunderstorms late
                    in the evening.
Chance of pcpn......50 percent.
Min temperature.....Around 67.
Max humidity........84 percent.
Surface winds (kts).South winds around 5 knots early in the evening
                    becoming light, then becoming west up to 5
                    knots overnight becoming light.
Wave height.........Less than 1 foot.
CEILING (KFT).......9.7.
Visibility..........8 increasing to 10 early in the morning.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........70  78  89  87  92  92  87  80  77  77  80  77
Weather cov.....SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCT SCT SCT SCT SCT ISO ISO ISO
Chc of pcpn (%).40  40  50  50  50  40  40  40  30  30  30  40
Temp............79  78  76  75  74  73  72  71  70  69  69  69
RH..............62  67  71  74  79  79  81  81  81  84  84  84
SFC wnd dir.....S   S   S   SW  SW  W   W   W   W   W   W   W
SFC wnd spd kts.5   5   5   3   3   3   4   5   4   4   3   3
SFC wnd gst.....7   7   7   6   4   5   6   8   7   7   5   4
Wave height (ft)0   0   0   0   0   0   0   0   0   0   0   0
Ceiling (kft)...10  10  10  10  10  10  9.7 10  10  10  10  10
Visibility (sm).10  10  10  10  10  10  8   8   8   8   8   10

.FRIDAY...

Sky/weather.........Mostly sunny (40-50 percent). Chance of showers
                    early in the morning, then slight chance of
                    showers early in the morning.
Chance of pcpn......30 percent.
Max temperature.....Around 83.
Min humidity........47 percent.
Surface winds (kts).Light winds becoming north around 4 knots early
                    in the morning, then shifting to the northeast
                    late in the morning shifting to the east early
                    in the afternoon shifting to the southeast up
                    to 5 knots.
Wave height.........Less than 1 foot.
CEILING (KFT).......10 increasing to 18 early in the morning.
Visibility..........10.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........69     56     43     29     21     22
Weather cov.....CHANCE
Weather type....RNSHWR NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).30     10     10     10     10     10
Temp............68     70     73     77     79     81
RH..............84     78     66     56     52     47
SFC wind (kts)..NW 3   N 4    N 4    NE 4   SE 4   SE 5
SFC wnd gst ....4      6      6      6      6
Wave height (ft)0      0      0      0      0      0
Ceiling (kft)...10     18     18     19     19     19
Visibility (sm).10     10     10     10     10     10

$$
Forecaster...Rosa
Requested by...Jackie Gonzalez
Type of request...MARINE
.TAG 2413377.0/LWX
.DELDT 05/23/24
.FormatterVersion 2.0.0
.EMAIL Sitlkeybridgeresponse2024@gmail.com,jpg112122@gmail.com,AF.A3.RSS.Weather@us.af.mil,nws-sterling-wxsupport@noaa.gov