Difference in air pressure driving wind strength and direction.

Dominant wind direction typical for a specific region.

Fog developing overnight under clear skies and calm conditions.

Strong, narrow current flowing away from shore.

Hot, dry winds from inland California blowing toward the coast.

Fog formed by warm moist air moving over cooler ocean water.

Measurement used to assess climate and marine biodiversity.

Surface temperature of ocean water, influencing marine life and weather.

Difference in ocean temperature across distance or depth.

Typical weather and sea states experienced in specific seasons.

Shift between seasonal weather patterns affecting sailing conditions.

Period when the tide is not moving in or out.

Climate pattern causing warmer ocean temperatures and unusual weather.

Incoming tide when water moves toward the shore.

Dense water vapor reducing visibility at sea.

Dense collection of fog limiting visibility near coastlines.

Sustained wind speeds between 34 and 47 knots.

Alert issued when sustained winds exceed 34 knots.

Perceived temperature accounting for humidity and actual heat.

Area of sinking air producing calm, clear weather and lighter winds.

Amount of moisture in the air affecting comfort and cloud formation.

Severe tropical cyclone with sustained winds above 74 mph.

Downward-moving cold air along coastal slopes.

Climate pattern characterized by cooler Pacific water and drier conditions.

Nighttime wind blowing from land to sea.

Official notice warning mariners of hazardous weather or surf.

Area of rising air producing clouds, rain, and stronger winds.

Prediction of wind, waves, tides, and weather for maritime use.

Notice reporting dangers such as debris or submerged objects.

Light air pollution or mist reducing visibility over water.