National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Last Update: 830 PM PDT MON JUL 28 2014

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Northern Inland Waters Including The San Juan Islands

Marine Zone Forecast





  • SynopsisHIGH PRESSURE OVER THE COASTAL WATERS AND LOWER PRESSURE INLAND WILL GIVE ONSHORE FLOW OF VARYING DEGREES THROUGH SATURDAY. STRONGEST WINDS WILL OCCUR DURING THE LATE AFTERNOON AND EVENING HOURS THROUGH THE STRAIT OF JUAN DE FUCA AND OVER THE COASTAL WATERS.
  • Tonight SW wind 5 to 15 kt...becoming S after midnight. Wind waves 1 to 3 ft.
  • Tue S wind to 10 kt...becoming SW in the afternoon. Wind waves 1 ft or less. Patchy fog in the morning.
  • Tue Night SW wind 10 to 20 kt...becoming S after midnight. Wind waves 1 to 3 ft.
  • Wed SE wind to 10 kt. Wind waves 1 ft or less.
  • Wed Night S wind 5 to 15 kt...becoming S to 10 kt after midnight. Wind waves 2 ft or less.
  • Thu Light wind...becoming W to 10 kt in the afternoon. Wind waves 1 ft or less.
  • Thu Night W wind to 10 kt...becoming S 5 to 15 kt after midnight. Wind waves 2 ft or less.
  • Fri S wind 10 kt. Wind waves 1 ft or less.
  • Sat W wind 10 kt. Wind waves 1 ft or less.



Additional Forecasts and Information

Zone Area Forecast for Northern Inland Waters Including The San Juan Islands
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