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This website needs to be taken down for a one hour outage on Monday, October 3, 2022 at 17:30 UTC (1:30 PM EDT). During that time, please visit one of the following sites for current marine weather information: National Hurricane CenterHonolulu Forecast OfficeNWS Marine Program.

Hurricane Warnings in Effect
Pacific:  High Seas EP1 and EPI

Atlantic Briefing Package

Analysis24 Hours48 Hours72 Hours96 Hours

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500 mb Analysis

Atlantic 500 mb Analysis

Last Update: Sat, 01-Oct-2022 04:00:05 UTC, Updates: Twice per day


Surface Analysis

Atlantic surface analysis

Last Update: Sat, 01-Oct-2022 08:52:27 UTC, Updates: Four times per day


Wind and Wave Analysis

Atlantic Offshore & adjacent waters sea state analysis

Last Update: Sat, 01-Oct-2022 06:40:09 UTC, Updates: Four times per day


Sea State Analysis

Atlantic sea state analysis

Last Update: Fri, 30-Sep-2022 16:21:40 UTC, Updates: Once per day


24 Hour 500 mb Forecast

24 hour Atlantic 500 mb offshore & adjacent waters

Last Update: Sat, 01-Oct-2022 04:02:36 UTC, Updates: Twice per day


24 Hour Surface Forecast

24 hour Atlantic surface offshore & adjacent waters

Last Update: Sat, 01-Oct-2022 04:49:36 UTC, Updates: Twice per day


24 Hour Wind and Wave Forecast

24 hour Atlantic wind/wave offshore & adjacent waters

Last Update: Sat, 01-Oct-2022 05:03:33 UTC, Updates: Twice per day


24 Hour Wave Period and Direction Forecast

24 hour Atlantic Peak Wave Period & Direction/Ice Accretion

Last Update: Sat, 01-Oct-2022 04:55:32 UTC, Updates: Twice per day


48 Hour 500 mb Forecast

48 hour 500 mb Atlantic

Last Update: Sat, 01-Oct-2022 04:07:10 UTC, Updates: Twice per day


48 Hour Surface Forecast

48 hour Atlantic surface

Last Update: Sat, 01-Oct-2022 05:08:36 UTC, Updates: Twice per day


48 Hour Wind and Wave Forecast

48 hour Atlantic wind/wave

Last Update: Sat, 01-Oct-2022 05:47:18 UTC, Updates: Twice per day


48 Hour Wave Period and Direction Forecast

48 hour Atlantic Peak Wave Period & Direction/Ice Accretion

Last Update: Sat, 01-Oct-2022 04:57:37 UTC, Updates: Twice per day


72 Hour 500 mb Forecast

72 hour 500 mb Atlantic

Last Update: Fri, 30-Sep-2022 17:29:49 UTC, Updates: Once per day


72 Hour Surface Forecast

72 hour Atlantic surface

Last Update: Fri, 30-Sep-2022 19:51:00 UTC, Updates: Once per day


72 Hour Wind and Wave Forecast

72 hour Atlantic wind/wave

Last Update: Fri, 30-Sep-2022 20:08:53 UTC, Updates: Once per day


72 Hour Wave Period and Direction Forecast

72 hour Atlantic Peak Wave Period & Direction/Ice Accretion

Last Update: Sat, 01-Oct-2022 04:58:20 UTC, Updates: Once per day


96 Hour 500 mb Forecast

96 hour Atlantic 500 mb

Last Update: Fri, 30-Sep-2022 17:32:04 UTC, Updates: Once per day


96 Hour Surface Forecast

96 hour Atlantic surface

Last Update: Fri, 30-Sep-2022 17:15:54 UTC, Updates: Once per day


96 Hour Wind and Wave Forecast

96 hour Atlantic wind/wave

Last Update: Fri, 30-Sep-2022 17:32:59 UTC, Updates: Once per day


96 Hour Wave Period and Direction Forecast

96 hour Atlantic Peak Wave Period & Direction/Ice Accretion

Last Update: Sat, 01-Oct-2022 04:59:04 UTC, Updates: Once per day