OUPV & 100-Ton Master · Weather
A small craft advisory issued by the National Weather Service warns mariners of:
- AHurricane-force winds only
- BSustained winds or seas hazardous to small craft (typically winds roughly 18–33 knots or dangerous sea conditions)✓ Correct
- CFog only
- DTidal flooding ashore
Explanation
A small craft advisory alerts operators of small vessels to sustained winds or seas considered hazardous to them (commonly winds about 18–33 knots, or hazardous wave conditions). Gale, storm, and hurricane-force warnings cover progressively higher wind ranges.
Authority: National Weather Service marine warnings
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