diff --git a/GEOSdatasea_GridComp/CMakeLists.txt b/GEOSdatasea_GridComp/CMakeLists.txt
index 49424ed..687d04a 100644
--- a/GEOSdatasea_GridComp/CMakeLists.txt
+++ b/GEOSdatasea_GridComp/CMakeLists.txt
@@ -5,3 +5,8 @@ esma_add_library (${this} SRCS GEOS_DataSeaGridComp.F90 DEPENDENCIES MAPL esmf N
 mapl_acg (${this}   GEOS_DataSea_StateSpecs.rc
           IMPORT_SPECS EXPORT_SPECS INTERNAL_SPECS
           GET_POINTERS DECLARE_POINTERS)
+
+install (
+    FILES DataSea_ExtData.yaml
+    DESTINATION etc
+)
diff --git a/GEOSdatasea_GridComp/DataSea_ExtData.yaml b/GEOSdatasea_GridComp/DataSea_ExtData.yaml
new file mode 100644
index 0000000..3fa1813
--- /dev/null
+++ b/GEOSdatasea_GridComp/DataSea_ExtData.yaml
@@ -0,0 +1,5 @@
+Exports:
+    DATA_UW:
+        collection: /dev/null
+    DATA_VW:
+        collection: /dev/null
diff --git a/GEOSdatasea_GridComp/GEOS_DataSeaGridComp.F90 b/GEOSdatasea_GridComp/GEOS_DataSeaGridComp.F90
index 9d19913..f21f54b 100644
--- a/GEOSdatasea_GridComp/GEOS_DataSeaGridComp.F90
+++ b/GEOSdatasea_GridComp/GEOS_DataSeaGridComp.F90
@@ -168,6 +168,8 @@ subroutine RUN ( GC, IMPORT, EXPORT, CLOCK, RC )
   real, pointer, dimension(:,:)       :: TNEW   => null()
   real, pointer, dimension(:,:)       :: F1     => null()
 
+  real, parameter :: MAX_SPEED   = 10.0  ! maximum surface current speed, m s-1
+
 ! Pointers to imports and exports
 #include "GEOS_DataSea_DeclarePointer___.h"
 
@@ -255,8 +257,21 @@ subroutine RUN ( GC, IMPORT, EXPORT, CLOCK, RC )
 !  Update the exports
 !--------------------
 
-   if(associated(UW)) UW = 0.0
-   if(associated(VW)) VW = 0.0
+   if (associated(UW)) then
+       where (abs(DATA_UW) < MAX_SPEED)
+           UW = DATA_UW
+       elsewhere
+           UW = 0.0
+       end where
+   end if
+
+   if (associated(VW)) then
+       where (abs(DATA_VW) < MAX_SPEED)
+           VW = DATA_VW
+       elsewhere
+           VW = 0.0
+       end where
+   end if
 
    TICE   = MAPL_TICE-1.8
 
diff --git a/GEOSdatasea_GridComp/GEOS_DataSea_StateSpecs.rc b/GEOSdatasea_GridComp/GEOS_DataSea_StateSpecs.rc
index 5c0710c..36835fe 100644
--- a/GEOSdatasea_GridComp/GEOS_DataSea_StateSpecs.rc
+++ b/GEOSdatasea_GridComp/GEOS_DataSea_StateSpecs.rc
@@ -10,6 +10,8 @@ category: IMPORT
  FRACICE        | 1       | xy          | N    |                     | fractional_cover_of_seaice
  DATA_SST       | K       | xy          | N    | ocean_extData       | sea_surface_temperature
  DATA_SSS       | PSU     | xy          | N    | ocean_sssData       | sea_surface_salinity
+ DATA_UW        | m s-1   | xy          | N    |                     | zonal_velocity_of_surface_water
+ DATA_VW        | m s-1   | xy          | N    |                     | meridional_velocity_of_surface_water
 
 category: EXPORT
 #----------------------------------------------------------------------------------------