Friday, August 14, 2015

Coho Ho Ho Rally 2015 - Brads Weather and boat reports August 14th

Brads Weather:

Brad Baker's Coho ho ho weather report August 14, 2015

 

Today is the transition day.  An upper level low that has been parked off the coast for better part of week is making its way to the NE and will have passed over Western Washington by Saturday morning.  This low will bring rain and clouds to us here in Seattle.  There will be some lingering showers in the offshore waters as well for Friday and perhaps Early Saturday.  With the upper level low departing the  thermal low will develop inland in Northern California.  This combined with the strengthening Pacific High will produce NW winds all along the West Coast of the US. The pinch point for strongest winds will be offshore of Northern California and Southern Oregon.  Because the pacific high is so far offshore the strong NW winds will extend out several hundred miles offshore.  In fact the strongest winds will likely be 60 to 150 miles offshore of Cape Mendocino.  With this scenario relief can often be found by staying close to the coast.   The thermal low will extend out over the closer waters at times reducing the pressure gradients there.  A safe bet is 10 miles or closer to shore in the areas from Cape Blanco to Point Arena should have about 10 knots of wind relief.   It does look as though this stronger NW wind pattern will continue for the foreseeable future and certainly well into next week.

 

For the Strait of Juan de Fuca we currently have a pretty good onshore push going, which should continue through Saturday.  The forecaster are saying the Westerly winds will moderate Sunday and early next week in the Strait.

 

4 day forecast:

 

Today August 14, 2015

 

SJDF – Small craft warnings issued – W winds 15-25 rising to 20 – 30 tonight.  Strongest winds Central and eastern strait.  Wind waves to 2 – 6 feet.  Small chance of thunder storms.

 

Cape Flattery to Newport OR – Winds from the SW veering to the W or NW come evening 5-20 knots.  Seas, NW swell 4-6' at 8 to 9 seconds, wind waves 1-4'.  Showers possible

 

Newport OR to San Francisco – W to NW winds 5-30…….ok yes covering a lot of basis here.  The winds South of Cape Mendocino will be stronger and those stronger winds should progress Northard overnight.  It should be relatively mellow North of Mendocino today, but by tomorrow it will be cranking up.  Seas, combined seas to 4-8' with a short period

 

Saturday August 15, 2015

 

SJDF – West wind 10-25 with the wind actually forecast to start easing late in the day.  Wind waves 2-5'

 

Flattery to Newport – W to NW wind 5-20 knots,  Seas NW swell to 5' at 9 seconds with wind waves to 3'

 

Newport to SF – NW winds 20-30 with gusts as high as 40.  Stronger winds 60 miles or more offshore of Cape Mendocino with gusts to 45.  Lighter winds perhaps 10-20 knots, 10 miles or closer to shore.  Combined seas 9 to 13' from the NW.

 

Sunday August 16, 2015

 

SJDF – W winds 5-15 with gusts to 20 possible.  Wind waves 1-3'

 

Flattery to Newport – For most the area NW winds 5-15 knots, with higher gusts, the exception being further South, closer to Newport where the winds will likely be stronger 10-20 knots building to as high as 25 knots in the evening.  Seas NW swell 4-6' at 9 seconds wind waves 1-4'.

 

Newport to SF – NW winds 20-30 with gusts as high as 40.  Stronger winds 60 miles or more offshore of Cape Mendocino with gusts to 45.  Lighter winds perhaps 10-20 knots, 10 miles or closer to shore.  Combined seas 9 to 13' from the NW.

 

Monday August 17, 2015

 

SJDF – West winds 5-20 knots, lighter winds in the morning stronger in the afternoon and evening.  Wind waves 1-3'

 

Cape Flattery to Newport Oregon – NW wind 5-20, Seas 5' at 8 to 9 seconds wind waves 1-3'

 

Newport to SF – NW winds 20-30 with gusts as high as 40.  Stronger winds 60 miles or more offshore of Cape Mendocino with gusts to 45.  Lighter winds perhaps 10-20 knots, 10 miles or closer to shore.  Combined seas 9 to 13' from the NW.

 

Tuesday August 18, 2015

SJDF – West wind 5-15, wind waves 2' or less

 

Flattery to Newport – NW wind 5-20 knots, Seas NW swell 5 to 7'.  Wind waves 1-3'

 

Newport to SF – OK….I won't cut and paste the forecast this time.  Going out on a limb here I'm going to reduce the max winds by 5 knots.   Here goes.  NW winds 15-25 with gusts to 35.  Stronger winds 60 miles or more of offshore of Cape Mendocino with gusts to 40.  Lighter winds perhaps 5-15 knots, 10 miles or closer to shore. Combined seas 8 to 12' from the NW.  J

 

Be Safe, clip in and stay on the boat!

 

Brad

 

Brad Baker   l   Swiftsure Yachts

2500 Westlake Ave N. Suite F   l   Seattle, WA 98109

Office: 206.378.1110    Cell: 206.920.7147   l   Fax: 206.378.1124




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