HEAVY WEATHER CUSTOM BOAT HIN Decoder
Hull Identification Numbers beginning with HWB were assigned by the US Coast Guard to HEAVY WEATHER CUSTOM BOAT of ANCHORAGE, AK. The builder is listed in the USCG MIC database. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
HWB
Location
ANCHORAGE, AK
In business
since 1988
Status
Listed active in USCG records
HEAVY WEATHER CUSTOM BOAT hulls (1988–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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HEAVY WEATHER CUSTOM BOAT HIN FAQ
What does a HEAVY WEATHER CUSTOM BOAT HIN look like?
It starts with the three characters "HWB" — the Manufacturer Identification Code the US Coast Guard assigned to HEAVY WEATHER CUSTOM BOAT — followed by a 5-character hull serial and a 4-character date code, 12 characters total. HEAVY WEATHER CUSTOM BOAT hulls (1988–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is HEAVY WEATHER CUSTOM BOAT still in business?
USCG records list HEAVY WEATHER CUSTOM BOAT of ANCHORAGE, AK in the MIC database (registered 1988).
How do I decode the year on a HEAVY WEATHER CUSTOM BOAT HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. HEAVY WEATHER CUSTOM BOAT hulls (1988–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in AK
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "HEAVY WEATHER CUSTOM BOAT HIN Decoder," carwhere.com/hin-decoder/hwb, last verified 2026-06-12.