Average values of wave heights (combined swell and seas) from the highest one third of waves.
Definition Source :
S-412 WMO Weather Product Specification
Similarity to Source :
Recommended Attributes :
Distinguishing Features :
-SIWAHE may be coded in addition to CATSEH to indicate height.-HUNITS must be populated if SIWAHE is populated.-DEGWAV may be populated in addition to SIWADE to indicate direction.-Only populate the INFORM attribute with high-impact or critical information.-If CATSEH is mapped to populate SIWAHE, the highest value within the defined range will be used for SIWAHE. For example, CATSEH for Moderate will have a SIWAHE of 2.5 meters.
On behalf of the IHO Member States, the International Hydrographic Bureau would like to thank Korea Hydrographic and
Oceanographic Agency(KHOA) of the Republic of Korea for giving active support in the development of the S-100 GI Registry