Unsettled Weather Continues in the Northwest; Ice & Snow to Develop Across Parts of the Central U.S.

Unsettled weather will persist across the western U.S. during the next few days with locally heavy coastal rain and mountain snow for much of the Pacific Northwest. Another weather system will affect parts of the Southwest and central United States with snow and mixed precipitation developing from Oklahoma northeastward into the Great Lakes.
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Coastal Waters Forecast for Mona Passage Southward to 17N (AMZ741) (Text-Only)
NWS Forecast for: Mona Passage Southward to 17N (AMZ741)
Issued by: National Weather Service San Juan, PR
Last Update: 436 PM AST Tue Jan 21 2020
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Tonight: Southeast winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 11 seconds. Northeast swell 4 to 5 feet. Isolated showers through the night.

Wednesday: Southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Northeast swell around 4 feet. Isolated showers.

Wednesday Night: South winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 10 seconds. Isolated showers.

Thursday: Southwest winds 10 to 15 knots veering north in the afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. Scattered showers through the day. Isolated thunderstorms in the afternoon.

Thursday Night: Northeast winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 11 seconds. North swell 4 to 5 feet after midnight. Scattered showers.

Friday: Northeast winds 10 to 15 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 12 seconds. North swell 4 to 7 feet. Isolated showers.

Saturday: Northeast winds 10 to 15 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 13 seconds. North swell 4 to 7 feet. Isolated showers.

Sunday: East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 11 seconds. North swell 4 to 5 feet. Isolated showers.



Zone Forecast: Mona Passage Southward to 17N (AMZ741)

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