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Additional Heavy Rain and Flooding Concerns in Central Texas; Tropical Storm Chantal to Impact the Coastal Carolinas

Heavy rainfall and flooding concerns remain for today across Central Texas and the Hill Country, with scattered thunderstorms expected this afternoon and evening. Tropical Storm Chantal has formed and will bring heavy rainfall and flooding concerns to portions of the coastal Carolinas. Life-threatening surf and rip currents are expected from the Southeast to Mid-Atlantic. Read More >

 

***  EXPERIMENTAL - NOT FOR OPERATIONAL USE   ***

 

Experimental Surf Forecast Matrix
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What's This?
Product Description Document

 

In the tabs below you can view Surf Forecast Matrices for various beaches over the Wakefield, VA forecast area.  This product is experimental and not intended to be substituted for the official Surf Zone Forecast, which can be viewed HERE.  Additional information on this project and variable definitions can be found HERE. We are seeking feedback on this over the next several months, so please send us your input via an online survey.

The Rip Probabilities included in the matrices below are from a rip current forecast model tied to NOAA's Nearshore Wave Prediction System. This model predicts the probabilities of hazardous rip currents occurring using output from the nearshore wave model and predicted tide levels. Values are calculated from 0-100%, hourly through 144 hours.

 

 

Maryland  Beaches

Date               Sat 07/05                Sun 07/06
EDT 3hrly          11   14   17   20   23   02   05   08   11   14   17   20

Rip Current Risk  Low  Low  Low                      Mod  Mod  Mod  Mod     
Rip Probability    MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM
Surf Height (ft)    1    1    1    1    1    1    1    1    1    1    1    1
Dom Period (s)      7   15   15   17   17   16   16   15   15   15   15   10
Chance Precip       0    0    0    0    0    0    0    5    5    5    5    5
TSTM Potential   None None None None None None None None None None None None
Cloud Cover      Mclr Mclr Mclr Mclr Pcld Pcld Pcld Pcld Mclr Mclr Mclr Pcld
Temperature        77   77   77   76   74   74   74   76   79   79   79   77
Heat Index                                                                  
Wind (mph)        SE7  SE9 SE10   S9  SE9  SE8  SE8  SE7   S9  S12  S13  S10
Wind Gust                    15   14   14                                 15


Date               Mon 07/07           Tue 07/08           Wed 07/09           Thu 07/10
EDT 6hrly          02   08   14   20   02   08   14   20   02   08   14   20   02   08   14

Rip Probability    MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM
Surf Height (ft)    2    2    2    2    2    2    1    1    1    1    1    1    1    1    1
Dom Period (s)      7    7    7    7    6    6    6    7    6    7    6    6    7   MM   MM
Chance Precip      20   40   40   20   30   20   30   30   30   20   20   20   30   30   30
TSTM Potential    Low None  Mod  Low None  Low  Mod  Mod  Low None  Low  Low  Low  Low  Mod
Cloud Cover      Pcld Pcld Pcld Pcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld
Temperature        77   78   79   78   78   78   80   79   77   77   79   78   77   78   79
Heat Index              82                  82   85   83   81   81   83   82   81   82   83
Wind (mph)         S9   S9  S14  S12   S9  SW7   S9   S7  SW6  NW6  SE8   S6   S5  SE6 SE10
Wind Gust                                                                                  

 
Accomack-Northampton  Beaches

Date               Sat 07/05                Sun 07/06
EDT 3hrly          11   14   17   20   23   02   05   08   11   14   17   20

Rip Current Risk  Low  Low  Low                      Mod  Mod  Mod  Mod     
Rip Probability    MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM
Surf Height (ft)    1    1    1    1    1    1    1    1    1    1    2    2
Dom Period (s)      7   17   17   17   17   16   16   16   16   15   15    7
Chance Precip       0    0    0    0    0    0    0    5    5    5    5   10
TSTM Potential   None None None None None None None None None None None None
Cloud Cover      Mclr Mclr Mclr Mclr Mclr Pcld Pcld Mclr Mclr Mclr Mclr Pcld
Temperature        79   78   78   76   75   75   75   77   80   80   80   78
Heat Index                                                 84               
Wind (mph)        SE7 SE10 SE10 SE10 SE10  SE9  SE8  SE8  SE9 SE12 SE14  S13
Wind Gust                    15                                             


Date               Mon 07/07           Tue 07/08           Wed 07/09           Thu 07/10
EDT 6hrly          02   08   14   20   02   08   14   20   02   08   14   20   02   08   14

Rip Probability    MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM
Surf Height (ft)    2    2    2    2    2    2    1    1    1    1    1    1    1    1    1
Dom Period (s)      7    7    7    7    6    6    6    9    6    6    6   12    6   MM   MM
Chance Precip      30   40   30   20   30   20   30   30   40   20   20   30   30   30   40
TSTM Potential    Low None  Mod  Low None  Low  Mod  Mod  Low None  Low  Mod  Low  Low  Low
Cloud Cover      Pcld Pcld Pcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld
Temperature        78   79   80   79   78   79   82   79   78   78   81   78   77   78   81
Heat Index                   84             83   88   83   82   83   86   83   81   82   86
Wind (mph)        S10   S9  S15  S14  S10  SW7  S10   S8  SW7   W6   S8   S7   S6  SW6 SE10
Wind Gust                    20                                                            

 
Virginia  Beach

Date               Sat 07/05                Sun 07/06
EDT 3hrly          11   14   17   20   23   02   05   08   11   14   17   20

Rip Current Risk  Mod  Mod  Mod                      Mod  Mod  Mod  Mod     
Rip Probability    MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM
Surf Height (ft)    2    2    2    2    2    2    2    2    3    3    3    3
Dom Period (s)      8    4    4    7    7    6    6    8    8    7    7    7
Chance Precip       0    0    0    0    5    5    5   40   40   50   50   20
TSTM Potential   None None None None None None None None  Low  Mod  Mod  Low
Cloud Cover      Mclr Pcld Pcld Pcld Pcld Mclr Pcld Pcld Pcld Pcld Pcld Pcld
Temperature        79   79   79   79   78   78   77   79   80   81   82   80
Heat Index                                                 87   89   89   87
Wind (mph)        E13  E14  E14  E13  E12 SE12 SE10 SE12 SE14 SE16 SE16  S15
Wind Gust                                                       22   22   21


Date               Mon 07/07           Tue 07/08           Wed 07/09           Thu 07/10
EDT 6hrly          02   08   14   20   02   08   14   20   02   08   14   20   02   08   14

Rip Probability    MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM
Surf Height (ft)    3    3    3    3    2    2    2    2    2    2    2    2    2    2    2
Dom Period (s)      7    7    7    7   14   14   14   12    6    6    6   12   12   MM   MM
Chance Precip      40   50   60   30   30   20   40   40   40   20   50   50   40   30   60
TSTM Potential    Low None  Mod  Mod None  Low  Mod  Mod None  Low  Mod  Mod None  Low  Mod
Cloud Cover      Pcld Pcld Mcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Mcld
Temperature        79   79   82   82   79   80   83   82   79   80   83   81   79   79   83
Heat Index         84   84   92   90   84   86   94   91   85   85   93   89   83   83   94
Wind (mph)        S12  S12  S16  S13  S10 SW10   S9   S9  SW8   W7  SE8   S7   S7  SW7 SE10
Wind Gust                    21                                                            

 
Currituck  Beaches

Date               Sat 07/05                Sun 07/06
EDT 3hrly          11   14   17   20   23   02   05   08   11   14   17   20

Rip Current Risk  Mod  Mod  Mod                      Mod  Mod  Mod  Mod     
Rip Probability    MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM
Surf Height (ft)    2    2    2    2    2    2    2    2    3    3    3    3
Dom Period (s)      9    8    8   16   16   15   15   13   13   14   14    7
Chance Precip       5    5    5    5    5   10   10   50   50   60   60   30
TSTM Potential   None None None None None None None None  Low  Mod  Mod  Mod
Cloud Cover      Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Mcld Mcld Pcld
Temperature        78   79   79   79   78   78   77   79   80   81   81   80
Heat Index                                                 87   89   88   87
Wind (mph)        E14  E13  E13  E10  E10 SE10 SE10 SE12 SE13 SE15  S15  S14
Wind Gust                         15                            20   20     


Date               Mon 07/07           Tue 07/08           Wed 07/09           Thu 07/10
EDT 6hrly          02   08   14   20   02   08   14   20   02   08   14   20   02   08   14

Rip Probability    MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM   MM
Surf Height (ft)    3    2    2    2    2    2    2    2    2    2    2    2    2    2    2
Dom Period (s)      7    7    9   14   14   14   14   13   13   13   13   12   12   MM   MM
Chance Precip      50   60   60   30   40   30   40   40   40   30   50   50   40   30   60
TSTM Potential    Low  Low  Mod  Mod None  Low  Mod  Mod  Low  Mod  Mod  Mod  Low  Low  Mod
Cloud Cover      Pcld Mcld Mcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Mcld Mcld Pcld Pcld Mcld
Temperature        79   80   82   82   79   80   83   82   80   80   83   81   79   79   83
Heat Index         84   85   92   90   84   87   93   90   87   87   94   89   84   83   93
Wind (mph)        S10  S10  S15  S12  S10  SW9  S10   S8  SW8  SW7   S7   S6  SW7  SW7   S8
Wind Gust                    20