Sea state includes small to occasionally medium sized waves of about 3 or 4 feet. Scattered whitecaps are observed. Waves of this height can pose a threat to safety for operators of small pleasure craft, especially those with limited experience.
Wave Impact Statement
Moderate
Larger waves are expected with significant wave heights around 5-6 ft; some breakers will be observed at sea. Wave period will also increase. Numerous whitecaps will be observed. Waves of this height can pose a threat to any small craft. Operators of small craft should exercise caution if venturing out under these conditions.
Wave Impact Statement
High
Numerous large waves of increasing length will be observed. Wave heights will be greater than 6 feet. Small craft should not leave port.
Wave Impact Statement
Extreme
Seas of 12 feet or greater are expected. Seas of this height are generally associated with tropical storm or hurricane conditions or extratropical gales. Only ocean-going vessels should be safe in these seas.