small craft advisory
- a U.S. National Weather Service advisory of sustained winds, over coastal and inland waters, with speeds of 20–33 knots (23–38 mph, 10–17 m/sec). Regional NWS offices have discretion over the choice of the lower limit.
- an advisory of potentially dangerous sea surface conditions, as high swells, that are not directly related to local winds, accompanied by the reason for the advisory.Compare advisory(def 4).
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018