Thursday, July18, 2019 L-36.com


Marine Weather and Tides
Pinole, CA

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 5:59AMSunset 8:31PM Thursday July 18, 2019 10:34 AM PDT (17:34 UTC) Moonrise 9:00PMMoonset 6:34AM Illumination 97% Phase: Waning Gibbous; Moon at 16 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 844 Am Pdt Thu Jul 18 2019
.small craft advisory in effect through this evening...
Today..SW winds 15 to 25 kt with gusts up to 30 kt.
Tonight..SW winds 10 to 15 kt with gusts up to 25 kt.
Fri..SW winds 10 to 20 kt with gusts up to 25 kt.
Fri night..SW winds 10 to 15 kt.
Sat..SW winds 10 to 20 kt with gusts up to 25 kt.
Sat night..SW winds 10 to 15 kt.
Sun..SW winds 10 to 15 kt.
Mon..SW winds 10 to 15 kt.
PZZ500 844 Am Pdt Thu Jul 18 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Generally light to moderate northwest winds will persist through Monday with locally gusty winds over the northern outer waters. Lighter southerly flow can be expected along the coast today and into the start of the weekend. The sea state will continue to be dominated by short period wind generated waves along with a light long period southerly swell.


7 Day Forecast for Marine Location Near Pinole, CA
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location: 38.04, -122.34     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 181732
afdmtr
area forecast discussion
national weather service san francisco bay area
1032 am pdt Thu jul 18 2019

Synopsis A gradual cooling trend will continue through late week
with periods of night and morning low clouds. Temperatures will
begin to warm slightly this weekend and rebound back to near
seasonal averages by next week.

Discussion As of 08:44 am pdt Thursday... Stratus that spread
well inland during the overnight hours continues to rapidly
diminish across inland valleys at this hour. Look for mostly sunny
conditions to develop for just about all inland areas by late
morning or early afternoon while low clouds may linger at times
near the coast. As mentioned in the previous discussion, expecting
the cooling trend to continue across the interior portion of the
region today with little change for coastal areas. The ongoing
forecast remains on track with no updates needed at this time. For
additional details, please see the previous forecast discussion
below.

Prev discussion As of 2:43 am pdt Thursday... The marine layer has
ramped up to around 1800 feet, per the fort ord profiler.

Satellite imagery shows low clouds extending through the salinas
valley, however, high clouds are obscuring the view of low clouds
below over the greater san francisco bay area. Surface
observations at bay area airports are not indicating any ceilings
at this time, however, expect low cloud coverage to increase by
sunrise.

The broad upper level trough remains along the west coast. This
will maintain the cooling trend that has already begun. Highs
today are forecast to be several degrees cooler than those on
Wednesday across inland areas, with little change along the coast.

Night and morning clouds will continue over the next few days
with onshore flow with continued cooling through Saturday.

Slightly warmer temperatures are expected on Sunday with high
pressure aloft building in from the east. This ridge is forecast
to build over the four corners region and nudge westward early
in the week. However, a deepening trough off the west coast will
keep the ridge from building too far west. Warmer temperatures are
still indicated for the inland areas, but near-coastal sites
should remain near normal.

Aviation As of 10:32 am pdt Thursday... For 18z tafs. The
marine layer remains at around 2000 ft agl per the fort ord
profiler with satellite imagery showing stratus eroding inland.

Vfr conditions expected for the rest of the day and into this
evening. Guidance is now showing stratus redeveloping earlier this
evening compared to yesterday, so moved forward return times by a
couple of hours for the 18z package. Onshore winds this afternoon
10-15 kt with gusts 20-25 kt at the typically windy spots.

Vicinity of ksfo...VFR. Westerly winds 10-15 kt with gusts to 25
kt this afternoon. Expecting sfo to see MVFR conditions overnight.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals...VFR this afternoon before low CIGS return
this evening. Expecting an earlier return for kmry than was seen
yesterday as well as another early return of stratus for ksns.

Onshore winds this afternoon 10-15 kt with locally gusty winds
down the salinas valley.

Marine As of 08:44 am pdt Thursday... Generally light to
moderate northwest winds will persist through Monday with locally
gusty winds over the northern outer waters. Lighter southerly flow
can be expected along the coast today and into the start of the
weekend. The sea state will continue to be dominated by short
period wind generated waves along with a light long period
southerly swell.

Mtr watches warnings advisories
Tday Sca... Pt arena to pigeon pt 10-60 nm
sca... Pt arena to pt reyes 0-10 nm until 3 pm
sca... Sf bay
public forecast: rgass sims
aviation: as
marine: as
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 4 mi46 min SW 14 G 17 61°F 1012.9 hPa
RCMC1 - 9414863 - Richmond, CA 9 mi46 min 64°F
PPXC1 - 9414847 - Richmond (Point Potrero), CA 9 mi46 min SW 14 G 20 58°F 1014.1 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 11 mi52 min WNW 12 G 14 65°F 70°F1012.8 hPa
UPBC1 12 mi46 min WNW 12 G 16
TIBC1 - Tiburon Pier, San Francisco Bay, CA 12 mi47 min SW 7 58°F 1014 hPa
OKXC1 - 9414776 - Oakland (Berth 34), CA 16 mi46 min W 9.9 G 13 60°F 1014 hPa
PCOC1 - 9415144 - Port Chicago, CA 16 mi46 min W 14 G 16 65°F 70°F1012.7 hPa
OBXC1 16 mi52 min 60°F 58°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 17 mi52 min WSW 16 G 19
LNDC1 17 mi46 min W 8.9 G 12 61°F 1014 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 17 mi46 min WSW 6 G 12 60°F 1013.2 hPa
FTPC1 - 9414290 - San Francisco, CA 17 mi52 min SW 4.1 G 8.9 56°F 61°F1014.5 hPa
AAMC1 - 9414750 - Alameda, CA 19 mi52 min W 6 G 8 62°F 68°F1014.5 hPa
SFXC1 - San Francisco Bay Reserve, CA 20 mi109 min WNW 11 63°F 1013 hPa57°F
46237 - San Francisco Bar, CA (142) 24 mi64 min 57°F4 ft
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 24 mi52 min NW 13 G 20 69°F 1011.8 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 33 mi34 min SSW 3.9 G 5.8 55°F 54°F1015.1 hPa (+0.8)
PRYC1 - 9415020 - Point Reyes, CA 34 mi46 min 54°F1014 hPa
RTYC1 - 9414523 - Redwood City, CA 37 mi46 min NW 4.1 G 6 65°F 73°F1014.5 hPa

Wind History for Richmond, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Napa, Napa County Airport, CA12 mi40 minSSW 1210.00 miPartly Cloudy66°F55°F70%1012.6 hPa
Novato / Gnoss Field, CA14 mi59 minN 010.00 miFair66°F57°F73%1013.5 hPa
Concord, Buchanan Field, CA16 mi41 minS 1110.00 miFair73°F55°F53%1011.3 hPa
Petaluma Municipal Airport, CA21 mi39 minN 09.00 miFair68°F59°F73%1013.5 hPa
Oakland, Metro Oakland International Airport, CA24 mi41 minWSW 510.00 miPartly Cloudy67°F55°F68%1014.1 hPa

Wind History from APC (wind in knots)
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Last 24hrS6SW5SW6SW8SW12S12S13S12S10S7S8S3S9S8S8S104S5S11S11S8S10SW11S12
1 day agoW7SW7S13S14S12W13W12
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2 days agoS9S10S12SW15S16SW14SW11SW11SW14SW12SW10SW13SW12SW10SW11SW15SW11SW9S6SW7SW8SW12SW9SW10

Tide / Current Tables for Pinole Point, San Pablo Bay, California
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Pinole Point
Click for Map
Thu -- 01:41 AM PDT     6.29 feet High Tide
Thu -- 06:01 AM PDT     Sunrise
Thu -- 07:34 AM PDT     Moonset
Thu -- 08:44 AM PDT     -0.52 feet Low Tide
Thu -- 03:50 PM PDT     5.04 feet High Tide
Thu -- 08:30 PM PDT     Sunset
Thu -- 08:42 PM PDT     2.68 feet Low Tide
Thu -- 09:59 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.56.16.35.84.73.21.70.4-0.4-0.5-00.81.93.14.24.954.743.32.82.73.13.8

Tide / Current Tables for Wilson Point 3.9 mi NNW, San Pablo Bay, California Current
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Wilson Point 3.9 mi NNW
Click for Map
Thu -- 02:20 AM PDT     -0.00 knots Slack
Thu -- 06:00 AM PDT     Sunrise
Thu -- 06:19 AM PDT     -0.60 knots Max Ebb
Thu -- 07:34 AM PDT     Moonset
Thu -- 09:40 AM PDT     0.00 knots Slack
Thu -- 12:30 PM PDT     0.62 knots Max Flood
Thu -- 04:47 PM PDT     -0.00 knots Slack
Thu -- 07:13 PM PDT     -0.24 knots Max Ebb
Thu -- 08:30 PM PDT     Sunset
Thu -- 08:53 PM PDT     0.00 knots Slack
Thu -- 09:59 PM PDT     Moonrise
Thu -- 11:02 PM PDT     0.58 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.30.1-0.2-0.4-0.5-0.6-0.6-0.4-0.20.10.40.60.60.50.40.2-0-0.2-0.2-0.200.40.6

Weather Map and Satellite Images
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GOES Local Image of CentralWestCoast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Wind Forecast for San Francisco/Monterey Bay Area, CA (13,3,4,5)
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Ground Weather Radar Station Sacramento, CA
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.