NOAA NWS Marine Weather Forecasts - National Weather Service
Links to forecasts, warnings and products related to tropical cyclones and sea ice are near the bottom of the page. The program also provides important Tsunami information. You can also get an hourly marine forecast for a single point and marine channel forecasts for Tampa, FL and Mobile Bay, AL.
Coastal Waters Forecasts With Wave Detail - National Weather …
Significant Wave Height remains a fundamental variable of the sea state that our customers will continue to see referenced in forecasts. Additional Wave Detail supplements the Coastal Waters Forecast with wave detail describing differing wave directions and …
Coastal Waters Forecast with Wave Detail - National Weather Service
There are three fundamental properties of ocean waves: height, period, and direction. Wave height generally refers to how tall a wave is from trough to crest, wave direction is the direction the wave is coming from, and wave period is the time it takes for successive waves to pass a fixed point, such as a buoy.
Beaufort Scale - National Weather Service
Very high waves with long overhanging crests. The resulting foam, in great patches is blown in dense streaks along the direction of the wind. On the whole, the sea takes on a whitish appearance.
Exceptionally high waves (small and medium-sized ships might be for time lost to view behind the waves). The sea is completely covered with long white patches of foam lying along the direction of the wind. Everywhere, the edges of the wave crests are blown into froth. Visibility greatly affected. 12 Hurricane 64+ kts 45+ ft
Ocean Prediction Center
2021年4月30日 · OPC continually monitors and analyzes maritime data, and provides guidance of marine atmospheric variables for purposes of protection of life and property, safety at sea, and enhancement of economic opportunity.
NWS Marine Forecast Areas - National Weather Service
2022年11月7日 · Wave Height Guidance; Wind Speed Guidance; Information Product Information Base Maps - Atlantic; Base Maps - Pacific; Marine Weather Sites; Product Guides; Quality Control ... Ocean Prediction Center 5830 University Research Court College Park, Maryland 20740-3818 Phone: 301-683-1520
National Weather Service Marine Forecasts - FAQ
Seas and waves are expressed in the terms of the significant wave height, the mean or average height of the highest one third of all waves in a swell train or in a wave generating region. It approximates the value an experienced observer would report if visually estimating sea height.
Ocean Prediction Center - Atlantic Marine - National Weather …
4 天之前 · Wind and Wave Analysis: Sea State Analysis: Loop: Days: Loop: Days: Updated: Sun, 22-Dec-2024 18:48:49 UTC: Updated: Sun, 22-Dec-2024 14:03:43 UTC: Atlantic Graphical Forecasts ... Ocean Prediction Center 5830 University Research Court College Park, Maryland 20740-3818 Phone: 301-683-1520
North Atlantic High Seas Forecast - National Weather Service
4 天之前 · ocean prediction center. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 1800 UTC SAT DEC 21. 24 HOUR FORECAST VALID 1800 UTC SUN DEC 22. 48 HOUR FORECAST VALID 1800 UTC MON DEC 23. .