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Atlantic Data & Forecasts


High Seas
North Atlantic
(Metarea IV)
(31 Jul 2026 15:34 UTC)
Synopsis
NE U.S. Waters
(31 Jul 2026 15:17 UTC)

Mid Atlantic Waters
(31 Jul 2026 15:18 UTC)

SE U.S. Waters & SW N Atlantic
(31 Jul 2026 15:22 UTC)
Offshore Waters
New England
(31 Jul 2026 14:47 UTC)

West Central North Atlantic
(31 Jul 2026 15:00 UTC)
Navtex (Navigational Telex)
Boston, MA "F"
(31 Jul 2026 15:17 UTC)

Portsmouth, VA "N"
(31 Jul 2026 15:18 UTC)

Charleston, SC "E"
(31 Jul 2026 15:22 UTC)
Maps and Charts
Atlantic 500 mb
Analysis(color)
(31 Jul 2026 17:19 UTC | 61.3K | 296.5K)

24-hr forecast(color)
(31 Jul 2026 17:20 UTC | 61.1K | 301.5K)

36-hr forecast(color)
(31 Jul 2026 17:20 UTC | 60.5K | 295.0K)

48-hr forecast(color)
(31 Jul 2026 17:21 UTC | 58.7K | 287.1K)

72-hr forecast(color)
(31 Jul 2026 17:21 UTC | 62.2K | 304.4K)

96-hr forecast(color)
(31 Jul 2026 17:22 UTC | 63.3K | 312.1K)


Atlantic Surface Analysis
Latest Analysis
(31 Jul 2026 14:52 UTC | 139.7K)

00 UTC color Analysis
(31 Jul 2026 02:38 UTC | 109.5K)

06 UTC color Analysis
(31 Jul 2026 08:58 UTC | 109.3K)

12 UTC color Analysis
(31 Jul 2026 14:52 UTC | 111.8K)

18 UTC color Analysis
(30 Jul 2026 21:21 UTC | 110.0K)


Atlantic Surface Forecasts
24-hr forecast
(31 Jul 2026 18:19 UTC | 67.9K)

48-hr forecast
(31 Jul 2026 16:26 UTC | 64.8K)

72-hr forecast
(01 Jun 2026 17:18 UTC | 42.9K)

96-hr forecast
(01 Jun 2026 14:33 UTC | 42.9K)


Atlantic Wind & Wave
Analysis
(31 Jul 2026 12:25 UTC | 50.0K )

24-hr forecast
(31 Jul 2026 18:24 UTC | 70.8K)

48-hr forecast
(31 Jul 2026 16:44 UTC | 68.2K)

72-hr forecast
(31 Jul 2026 17:24 UTC | 68.9K)

96-hr forecast
(31 Jul 2026 17:33 UTC | 69.4K)


Atlantic Sea State
Analysis
(31 Jul 2026 13:14 UTC | 60.1K)


Atlantic Wave Period & Direction
24-hr forecast(color)
(31 Jul 2026 16:55 UTC | 74.7K | 230.9K)

48-hr forecast(color)
(31 Jul 2026 16:56 UTC | 75.3K | 231.1K)

72-hr forecast(color)
(31 Jul 2026 16:57 UTC | 75.3K | 228.0K)

96-hr forecast(color)
(31 Jul 2026 16:58 UTC | 75.7K | 232.7K)





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