Sunday, June 14, 2009

6/14 Better in the Bay

The central Bay will work better as the winds off the coast have clocked enough to line up better through the Gate and the San Bruno Gap.   The Delta though has lost a bit of pow.  Expect winds to diminish to 15 with a chance of a 5 mph sunset bump.  Crissy will be best after 3 today except the flood starts at 1pm today.  Winds will best at 25 in the middle and 20 at Berkeley.  3rd will be a good choice with winds in the channel over 20 for several hours between 2 and 6.  Alameda will have about 90 minutes of 13 to 15 winds sometime after 3.

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Saturday, June 13, 2009

6/13 Good Day

Nice day for winds throughout San Francisco Bay and the Delta. Not a huge SFO-SAC pressure gradient and won't strengthen much over the next 24 hours. Winds at Sherman around 20 most of the day cooler temperatures today and tomorrow in the Delta so bring at least a shorty. The central Bay will fill in from a SW push which is typical this time of year as the Pacific High is reforming and it will be interesting to see how long it will stay. Winds under the Gate solid over 20 after 2 and will work until 7 tonight. This wind will run all the way to Berkeley at 20 as well. Alameda will bump 10 to 15 after 3, though SW is not ideal for Alameda. SW is not ideal for 3rd either and temperatures are not expected to be high enough to help thermals enough. 3rd will still though likely make rgiht around 20 for several hours after 3. May drop off sharply at 6pm. Image below shows the Pac high which is good for us.

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Thursday, June 4, 2009

6/4 Pressing Low

The low pressure system offshore is pressing on us now.  The delta will deteriorate to low teens by about noon today.  Winds will kick down the slot in low frontal stormy type of way.  Big variability in the forecast today and a probably a good day to avoid the water and potential frustrations.  Crissy will have segments of good wind after 1 today.  There is a 50% chance that winds will be consistent enough to get some solid sailing in.  Berkeley will suffer the same cast but won't get over 20.  Alameda has a 25% chance of getting decent wind in the 10 to 15 range.  Intermittent breezes are higher chance.  Not even going to try to forecast 3rd today.

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Wednesday, June 3, 2009

6/3 Dihydrogen Monoxide

Good chance Dihydrogen Monoxide will fall out of the sky today and at least tomorrow.  This is poor weather for this time of year.The Delta will be less then 20 most of the day as the SFO-SAC pressure gradient is now 2mb.  Winds will still come through the Gate and run down the "slot" of San Francisco Bay.  Due to the southerly veer direction it will be up and down at the Crissy launch 10 to 20 after 2 and best 25 in the center of the Bay.  Berkeley should see about 20 after 3pm but only for 2 to 2.5 hours.  Alameda is light at 10 to 12 all afternoon.  Third is up and down and 20 in the channel from 2:30 to 5pm.

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Monday, June 1, 2009

6/1 Yikes

Wet weather showing tomorrow YIKES what is that all about.

Delta is back and will run over 20 today.  Crissy to Berkley is got some funk in it as the weather is a bit awry.  Should be about 20 most of the afternoon with up and downs possible.  Alameda is light today similar to yesterday but may have shorter duration sailable weather.  Third will not work as well as yesterday(under forecasted the wind yesterday as I did not count on the south Bay heatin up as much as it did)  Now the clouds are all over Western California killing potential of thermal pull to kick things off.   Third should be about 20 in the channel today  chance of better wind if the winds clock offshore to a more NW direction..

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Sunday, May 31, 2009

5/31 Similarcast

Lighter winds in the Delta as the pressure gradient weakens to about 70% of what it was yesterday. Sherman should be 20 to 25 with a possible afternoon fade and sunset kick. The rest of San Francsico Bay suffers from the same problem as yesterday. A low hundreds of miles off the coast is doing just enough to upset our regular summer weather pattern. Crissy will again be light near shore and better winds of the Marin side. Winds through the gate will be best after 3 unfortunately that is when the flood starts as well. Berkeley will range just under 20 from 3:30 to 5:30pm. Alameda continues to deteriorate from the good winds 48 hours ago. Alameda will best at 4pm right around 13 and be 5 stronger a mile offshore. Third will struggle to pull solid winds through the San Bruno gap. Up and down winds near the launch and the channel getting over 20 for a brief period after 4pm.

Image below shows the low pressure system headed our way. Looks like it will be bringing some wetness too.

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Saturday, May 30, 2009

5/30 Delta Howls

The delta will be off the hook again today similar to yesterday. The SFO-SAC gradient is a solid 3 mb and the marine layer is providing plenty of fuel. Winds should stay over 25 all day at Sherman Island. For San Francsico Bay the winds will be more moderate today. Crissy will be over 20 with stronger winds on the opposite side approaching 30 this will start to happen between 1 and 2pm and peak between 3 and 4pm. Flood at the Gate starts at 2pm today. Berkeley will get nice winds around 20 from 3 to after sometime after 5 and may hold to 6pm. Alameda will be lighter today as wind direction is not ideal for this site today. Better winds will be seen offshore of Alameda. Close to the beach best winds at 13 around 4pm today. Third Ave. will work fair with more up and down on this wind direction winds in the channel will have a wider range then typical and will be from 17 to 23 in the late afternoon. Typically we start seeing the Pacific High set up this time of year. This low offshore seen in the image below has the predominant wind direction veered 90 degrees to the South.

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