National Weather Service United States Department of Commerce

Flash flooding possible for parts of Upper Midwest

A slow-moving weather system progressing from the northern Plains to the Great Lakes will bring excessive rainfall and a risk of flash flooding to portions of the Upper Midwest on Friday. The heaviest rainfall is expected from central Iowa northeastward across southeastern Minn. and into Wisc. Rainfall totals of 1-2 inches, with locally-higher amounts, are possible through Saturday morning.
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Last Update: 216 PM PDT FRI AUG 29 2014

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Pt. Sal to Santa Cruz Island CA and Westward 60 NM

Marine Zone Forecast




...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT...

  • SynopsisAT 20Z...OR 1 PM PDT...HIGH PRESSURE WAS OVER THE EASTERN PACIFIC AND A 1007 MB LOW WAS NEAR LAS VEGAS. ACROSS THE OUTER WATERS...MODERATE TO LOCALLY STRONG NW FLOW WILL CONTINUE THROUGH SUN. ACROSS THE INNER WATERS...WEAK TO MODERATE W TO NW FLOW WILL CONTINUE THROUGH SUN.
  • Tonight NW winds 15 to 25 kt with local gusts to 30 kt. Combined seas 6 to 8 ft dominant period 9 seconds. Patchy fog after midnight.
  • Sat NW winds 15 to 25 kt with gusts to 30 kt...becoming 20 to 30 kt in the afternoon with gusts to 35 kt possible. Combined seas 6 to 8 ft dominant period 8 seconds. Patchy fog in the morning.
  • Sat Night NW winds 20 to 30 kt with gusts to 35 kt. Combined seas 7 to 8 ft dominant period 8 seconds. Patchy fog after midnight.
  • Sun NW winds 15 to 25 kt with local gusts to 30 kt. Combined seas 7 to 9 ft dominant period 8 seconds. Patchy fog in the morning.
  • Sun Night NW winds 20 to 25 kt with gusts to 30 kt...becoming 15 to 20 kt with gusts to 25 kt after midnight. Combined seas 7 to 9 ft dominant period 8 seconds. Patchy fog after midnight.
  • Mon NW winds 10 to 20 kt. Wind waves 4 to 5 ft. NW swell 5 to 6 ft. Patchy fog in the morning.
  • Mon Night NW winds 10 to 20 kt...becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft. NW swell 5 to 6 ft. Patchy fog after midnight.
  • Tue NW winds 5 to 15 kt. Wind waves 2 ft or less. NW swell 5 to 6 ft. Patchy fog.
  • Wed NW winds 5 to 15 kt. Wind waves 2 ft or less. NW swell 5 to 6 ft. Patchy fog.



Additional Forecasts and Information

Zone Area Forecast for Pt. Sal to Santa Cruz Island CA and Westward 60 NM
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