Wave Impact: None |
Sea state ranges from flat to that pictured, including wavelets and a few breaking crests with isolated whitecaps. |
Wave Impact: Low |
Sea state includes small to occasionally medium sized waves, becoming longer in period. Scattered to numerous whitecaps are observed. |
Wave Impact: Moderate |
High Surf and Minor Beach Erosion Likely with Onshore Swell.
Larger Waves will form; some breakers will be observed at sea. Wave period will also increase. Numerous whitecaps are observed, as well as occasional sea spray. |
Wave Impact: High |
Battering Surf and Major Beach Erosion Likely with Onshore Swell
Numerous large waves of increasing length will be observed. Breaking waves become more common; edges turn into spindrift. Foam is blown in well marked streaks, sea is at least one third white from foam. Blowing spray is constant and pulsing. Winds will be gale force in or near the area. |
Wave Impact: Extreme |
Deadly Surf and Devastating Beach Erosion Likely with Onshore Swell
Boaters of all stripes should remain in port. Breaking, very large waves with overhanging crests will be observed. Much of the sea will appear white due to heavy streaked foam. Constant, intense blowing spray will reduce visibility below 1 nautical mile at times. Storm to hurricane force winds will be observed in or near the area. |