Surf Matrices

* EXPERIMENTAL - NOT FOR OPERATIONAL USE *

Experimental Surf Forecast Matrix

In the tabs below you can view Surf Forecast Matrices for various beaches over the NWS Brownsville/Rio Grande Valley 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.

Boca Chica Beach

Date               Thu 05/02                          Fri 05/03
CDT 3hrly          04   07   10   13   16   19   22   01   04   07   10   13   16   19

Rip Current Risk  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod     
Surf Height (ft)    3    4    4    4    4    4    4    4    4    4    4    4    3    3
Dom Period (s)      7    7    7    7    7    7    7    7    8    8    8    7    7    7
Chance Precip       5    0    5    0    0    0    0    0    0    0    0    0    0    0
TSTM Potential   None None None None None None None None None None None None None None
Cloud Cover      Mcld Pcld Pcld Pcld Pcld Pcld Mcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld
Temperature        77   77   77   79   80   79   78   77   77   77   77   79   80   78
Heat Index                                                                            
Wind (mph)       SE14 SE16 SE17 SE18 SE15 SE14 SE12 SE12 SE12  SE9 SE12 SE13  E14 SE13
Wind Gust                    23   25   21                                             


Date               Sat 05/04           Sun 05/05           Mon 05/06           Tue 05/07
CDT 6hrly          01   07   13   19   01   07   13   19   01   07   13   19   01   07   13

Surf Height (ft)    3    4    4    4    4    4    4    4    5    5    5    4    4    4    7
Dom Period (s)      7    8    7    7    7    7    7    7    7    8    7    7    8    8   MM
Chance Precip       0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
TSTM Potential   None None None None None None None None None None None None None None None
Cloud Cover      Mcld Mcld Pcld Pcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Mcld Pcld Pcld
Temperature        77   76   78   78   77   77   79   79   77   77   80   79   78   78   81
Heat Index                                                                83             85
Wind (mph)       SE10 SE10 SE16 SE17 SE18 SE18 SE18 SE17 SE18 SE17 SE20 SE17 SE17 SE18  S18
Wind Gust                         22   26   29   29   25   28   26   29   25   26   28   26

South Padre Island City Beaches

Date               Thu 05/02                          Fri 05/03
CDT 3hrly          04   07   10   13   16   19   22   01   04   07   10   13   16   19

Rip Current Risk  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod     
Surf Height (ft)    4    4    4    4    4    4    4    4    4    4    4    4    4    3
Dom Period (s)      7    7    7    7    7    7    7    7    8    8    8    8    7    7
Chance Precip       5    0    5    0    0    0    0    0    0    0    0    0    0    0
TSTM Potential   None None None None None None None None None None None None None None
Cloud Cover      Mcld Pcld Pcld Pcld Pcld Pcld Mcld Mcld Mcld Pcld Mcld Pcld Pcld Pcld
Temperature        77   77   77   78   79   79   78   78   77   77   77   78   79   78
Heat Index                                                                            
Wind (mph)       SE17 SE20 SE18 SE18 SE16 SE15 SE14 SE14 SE14 SE12 SE13 SE14  E14 SE13
Wind Gust                    23   26   22                                      20     


Date               Sat 05/04           Sun 05/05           Mon 05/06           Tue 05/07
CDT 6hrly          01   07   13   19   01   07   13   19   01   07   13   19   01   07   13

Surf Height (ft)    4    4    4    4    4    4    5    5    5    5    5    4    5    5    6
Dom Period (s)      7    8    7    7    7    7    7    7    7    8    8    7    8    8   MM
Chance Precip       0    0    5    0    0    0    0    0    0    0    0    0    0    0    0
TSTM Potential   None None None None None None None None None None None None None None None
Cloud Cover      Mcld Mcld Pcld Pcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Mcld Pcld Pcld
Temperature        77   76   77   78   77   77   79   79   78   77   78   80   78   78   80
Heat Index                                                                85             85
Wind (mph)       SE12 SE13 SE16 SE18 SE18 SE21 SE18 SE17 SE18 SE17 SE20 SE17 SE17 SE18 SE18
Wind Gust                    21        26   28   28   26   28   26   29   25   26   28   26

South Padre Island County Beaches

Date               Thu 05/02                          Fri 05/03
CDT 3hrly          04   07   10   13   16   19   22   01   04   07   10   13   16   19

Rip Current Risk  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod     
Surf Height (ft)    4    4    4    4    4    4    4    4    4    4    4    4    4    3
Dom Period (s)      7    7    7    7    7    7    7    7    8    8    8    8    7    7
Chance Precip       0    0    5    0    0    0    0    0    0    0    0    5    5    5
TSTM Potential   None None None None None None None None None None None None None None
Cloud Cover      Mcld Pcld Pcld Pcld Pcld Mcld Mcld Mcld Mcld Mcld Pcld Pcld Pcld Pcld
Temperature        78   78   78   80   80   79   79   78   77   77   78   79   80   79
Heat Index                             87   83                                 87     
Wind (mph)       SE17 SE17 SE18 SE18 SE18 SE16 SE15 SE14 SE13 SE10 SE13 SE14  E14 SE14
Wind Gust                         28   23                                      20     


Date               Sat 05/04           Sun 05/05           Mon 05/06           Tue 05/07
CDT 6hrly          01   07   13   19   01   07   13   19   01   07   13   19   01   07   13

Surf Height (ft)    4    4    4    4    4    4    4    4    5    5    5    4    5    5    5
Dom Period (s)      7    8    7    7    7    7    7    7    7    8    8    7    8    8   MM
Chance Precip       0    0    5    5    0    0    0    0    0    0    0    0    0    0    0
TSTM Potential   None None None None None None None None None None None None None None None
Cloud Cover      Mcld Mcld Pcld Pcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Pcld Mcld Pcld Pcld
Temperature        78   77   79   79   78   77   80   79   78   77   80   80   79   78   81
Heat Index                                            83                  86             86
Wind (mph)       SE13 SE13 SE16 SE18 SE20 SE21 SE18 SE18 SE18 SE18 SE20 SE18 SE17 SE18 SE18
Wind Gust                    22        25   28   28   26   28   26   30   25   26   28   26

Willacy Island Beaches

Date               Thu 05/02                          Fri 05/03
CDT 3hrly          04   07   10   13   16   19   22   01   04   07   10   13   16   19

Rip Current Risk  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod     
Surf Height (ft)    3    4    4    4    4    4    3    3    3    3    3    3    3    3
Dom Period (s)      7    7    7    7    7    7    7    7    7    8    8    8    7    7
Chance Precip       0    5    5    5    0    0    0    0    0    0    0    5    5    5
TSTM Potential   None None None None None None None None None None None None None None
Cloud Cover      Mcld Pcld Pcld Pcld Pcld Pcld Mcld Mcld Pcld Mcld Mcld Pcld Pcld Pcld
Temperature        77   77   79   82   82   80   79   78   77   77   78   81   82   80
Heat Index                        88   90   87                            88   90   86
Wind (mph)       SE14 SE15 SE17 SE18 SE18 SE17 SE14 SE12  S10  SE9 SE12 SE14  E15  E14
Wind Gust               21   22   26   24                                      20     


Date               Sat 05/04           Sun 05/05           Mon 05/06           Tue 05/07
CDT 6hrly          01   07   13   19   01   07   13   19   01   07   13   19   01   07   13

Surf Height (ft)    3    3    4    4    4    4    4    4    4    4    4    4    4    4    5
Dom Period (s)      7    8    7    7    7    7    7    7    7    8    8    7    7    8   MM
Chance Precip       0    0    5    5    0    0    0    0    0    0    0    0    0    0    0
TSTM Potential   None None None None None None None None None None None None None None None
Cloud Cover      Pcld Pcld Pcld Pcld Mcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Mcld Pcld Pcld
Temperature        78   76   80   79   78   77   81   80   79   77   82   81   79   78   82
Heat Index                   85   84             86   86             87   87             89
Wind (mph)       SE10 SE10 SE16 SE18 SE18 SE20 SE18 SE18 SE20 SE17 SE20 SE18 SE18 SE18 SE18
Wind Gust                    22   23   24   26   29   28   29   26   30   26   28   28   26

Kenedy Island Beaches

Date               Thu 05/02                          Fri 05/03
CDT 3hrly          04   07   10   13   16   19   22   01   04   07   10   13   16   19

Rip Current Risk  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod  Mod     
Surf Height (ft)    4    4    4    4    4    4    4    4    4    4    4    4    4    4
Dom Period (s)      6    7    7    7    7    7    7    7    8    8    8    8    8    7
Chance Precip       5    5    5    5    0    0    0    0    5    0    0    5    5    5
TSTM Potential   None None None None None None None None None None None None None None
Cloud Cover      Mcld Mcld Mcld Pcld Pcld Pcld Mcld Mcld Mcld Mcld Mcld Pcld Pcld Pcld
Temperature        77   76   78   80   81   80   78   77   77   76   78   80   81   79
Heat Index                        84   87                                 84   87     
Wind (mph)       SE15 SE15 SE16 SE18 SE20 SE17 SE13 SE12  S10  SE9 SE12 SE14  E16  E15
Wind Gust                    21   25   26   22             15                  22   20


Date               Sat 05/04           Sun 05/05           Mon 05/06           Tue 05/07
CDT 6hrly          01   07   13   19   01   07   13   19   01   07   13   19   01   07   13

Surf Height (ft)    4    4    4    5    4    4    4    4    4    5    5    5    4    4    6
Dom Period (s)      7    8    7    7    7    7    7    7    7    8    8    7    8    8   MM
Chance Precip       5    5    5    5    5    5    0    0    0    0    0    0    0    0    0
TSTM Potential   None None None None None None None None None None None None None None None
Cloud Cover      Pcld Pcld Pcld Pcld Mcld Mcld Pcld Pcld Pcld Pcld Pcld Pcld Mcld Pcld Pcld
Temperature        77   76   80   79   77   76   81   80   78   76   81   80   78   77   82
Heat Index                                            84             86   85             88
Wind (mph)       SE10 SE10 SE17 SE20 SE18 SE18 SE20 SE18 SE18 SE17 SE21 SE20 SE20 SE17 SE18
Wind Gust                    23   25   25   24   29   28   29   26   30   28   29   26   26

Surf Matrices

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

* EXPERIMENTAL - NOT FOR OPERATIONAL USE *