Wednesday, July26, 2017 L-36.com


Marine Weather and Tides
Rodeo, CA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:06AMSunset 8:25PM Tuesday July 25, 2017 9:41 PM PDT (04:41 UTC) Moonrise 7:41AMMoonset 9:12PM Illumination 7% Phase: Waxing Crescent; Moon at 3 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 San Francisco Bay North Of The Bay Bridge- 900 Pm Pdt Tue Jul 25 2017
.small craft advisory in effect until 10 pm pdt this evening...
Tonight..SW winds 15 to 25 kt.
Wed..SW winds 10 to 20 kt.
Wed night..SW winds 10 to 20 kt.
Thu..SW winds 10 to 20 kt.
Thu night..SW winds 10 to 20 kt.
Fri..SW winds 10 to 20 kt...decreasing to 10 kt.
Sat..W winds 10 kt.
Sun..W winds 10 kt.
PZZ500 900 Pm Pdt Tue Jul 25 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... A weak area of low pressure off the california coast will continue to produce a southerly flow today along the immediate coast. West to northwest winds will return tomorrow as high pressure builds over the eastern pacific. SEveral tropical disturbances in the pacific will bring a long period southerly swell to the coastal waters at the end of the week and through weekend.

7 Day Forecast for Marine Location Near Rodeo, CA
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location: 38.06, -122.28     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 260420
afdsto
area forecast discussion
national weather service sacramento ca
920 pm pdt Tue jul 25 2017

Synopsis
Slight chance of afternoon showers or thunderstorms across
portions of the northern mountains Wednesday. Near normal
temperatures today then dry and warmer Thursday through the
weekend.

Discussion
Temperatures have just started to trend slightly cooler in
sacramento this evening at 9 pm. Elsewhere temperatures are
still running slightly warmer than 24 hours ago. Winds through
the delta will be slightly stronger tonight but still not overly
strong by delta breeze standards. Temperatures will continue to
cool off into the upper 50s to mid 60s in the valley overnight
with the mountain valley's cooling off into the 40s and 50s.

Low pressure area over northwest part of california will linger
there overnight before slowly moving inland on Wednesday. Not
much change in the weather is expected for Wednesday with
temperatures around todays highs to slightly warmer. Thunderstorm
chances look the greatest north and east of the CWA again but
slight chances within the CWA continue over plumas and shasta
counties.

Previous discussion
581 dm upper low centered near fort bragg will be main weather
feature influencing interior norcal over the next 24 hours.

Satellite imagery showing some TCU over the mountains of eastern
shasta county including the lassen park area earlier this
afternoon, but is diminishing now given amount of low and mid
level dry air present. Afternoon temperatures running several
degrees cooler in most areas expect INVOF delta where flow through
the strait is a little weaker compared to 24 hours ago. Highs
today expected to top out right around normal values for this time
of year.

Upper low forecast to remain quasistationary overnight then slowly
progress to the ene Wednesday as it begins to fill. NAM elevated
instability progs keeps some increased 700-500 mu CAPE and tt
above 30 over eastern shasta including lassen park area and
coastal range tomorrow, but only a slight chance for deep moist
convection given limited available moisture. Temperatures rebound
up a few degrees Wednesday as delta influence and synoptic cooling
weaken.

Heights increase over the area Thursday as upper ridging from the
desert SW expands NW towards norcal. Dry weather expected
Thursday as triple digit heat returns across much of the central
valley. Temperatures are forecast near to a few degrees warmer
Friday as we are sandwiched between deep troughing in the epac and
the 4 corners high.

Pch
.Extended discussion (Saturday through Tuesday)
not much change to the extended forecast. Temperatures still
expected be 5-10 degrees above normal as high pressure over the
four corners region strengthens. The interior norcal valley will
have widespread triple digit heat into the first part of next
week. Models still disagree about where monsoonal moisture could
be advected northward next week. The ECMWF keeps dry conditions in
our CWA while the GFS indicates moisture along and east of the
sierra crest.

Aviation
Vfr conditions the next 24 hours across interior norcal. Winds up
to 10 kt at TAF sites. Gusts 20 to 30 kt near the delta.

Sto watches warnings advisories
None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 1 mi41 min SW 12 G 16 62°F 1014.4 hPa (+1.7)
MZXC1 - 9415102 - Martinez-Amorco CA 8 mi41 min W 16 G 19 63°F 69°F1014.3 hPa (+1.6)59°F
PPXC1 - 9414847 - Richmond (Point Potrero), CA 12 mi41 min SW 9.9 G 12 62°F 1015.2 hPa (+1.1)
RCMC1 - 9414863 - Richmond, CA 12 mi41 min SSW 5.1 G 9.9 61°F 63°F1014.8 hPa (+1.2)
PCOC1 - 9415144 - Port Chicago, CA 13 mi41 min WSW 8.9 G 13 64°F 71°F1014.1 hPa (+2.0)
OKXC1 - 9414776 - Oakland (Berth 34), CA 17 mi41 min W 8.9 G 11 61°F 1015.1 hPa (+1.0)
SFXC1 - San Francisco Bay Reserve, CA 17 mi56 min WNW 8 65°F 1013 hPa57°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 18 mi41 min W 7 G 9.9
OBXC1 18 mi41 min 61°F 58°F
LNDC1 18 mi41 min NW 4.1 G 6 62°F 1015 hPa (+0.9)
PXSC1 19 mi41 min 61°F 57°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 19 mi41 min WSW 11 G 16 60°F 1014 hPa (+0.9)
AAMC1 - 9414750 - Alameda, CA 20 mi41 min WNW 8.9 G 12 62°F 69°F1015.6 hPa (+1.1)
FTPC1 - 9414290 - San Francisco, CA 20 mi41 min W 6 G 9.9 59°F 59°F1015.4 hPa (+0.9)
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 21 mi41 min WNW 11 G 15 71°F 1013.1 hPa (+1.7)
46237 - San Francisco Bar, CA (142) 27 mi41 min 57°F3 ft
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 36 mi51 min SE 3.9 G 5.8 56°F 55°F4 ft1015.3 hPa (+0.6)
PRYC1 - 9415020 - Point Reyes, CA 37 mi41 min E 1.9 G 4.1 61°F 58°F1015.3 hPa (+0.9)
RTYC1 - 9414523 - Redwood City, CA 38 mi41 min N 7 G 8 63°F 74°F1014.1 hPa (+1.4)

Wind History for Martinez-Amorco Pier, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Napa, Napa County Airport, CA10 mi47 minS 1110.00 miFair66°F57°F75%1013.4 hPa
Concord, Buchanan Field, CA13 mi48 minWSW 810.00 miFair68°F55°F63%1012.7 hPa
Novato / Gnoss Field, CA16 mi46 minN 10 G 1710.00 miFair61°F55°F83%1014.9 hPa
Petaluma Municipal Airport, CA22 mi66 minWNW 7 G 1310.00 miFair61°F55°F83%1015.2 hPa
Fairfield / Travis Air Force Base, CA24 mi1.7 hrsWSW 1810.00 miFair and Breezy73°F55°F55%1011.8 hPa

Wind History from APC (wind in knots)
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Last 24hrS8SE4W3W6W6W7W5W9W7W6W5W74SW7S6S10S11S15S16S16S16S16S13S11
1 day agoS11S8S4S7SE3CalmW8W7W8W8W7SW6S6SW8S12S17S18
G25
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2 days agoS7SW4SW5SW6S3SE6SE4E3SE3SE3S4Calm34S9S10S11S13S13S11S12S10S11S11

Tide / Current Tables for Selby, California
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Selby
Click for Map
Wed -- 03:19 AM PDT     6.79 feet High Tide
Wed -- 06:07 AM PDT     Sunrise
Wed -- 09:46 AM PDT     Moonrise
Wed -- 10:23 AM PDT     -0.54 feet Low Tide
Wed -- 04:53 PM PDT     6.21 feet High Tide
Wed -- 08:23 PM PDT     Sunset
Wed -- 10:46 PM PDT     Moonset
Wed -- 10:47 PM PDT     2.00 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.64.96.16.76.65.94.52.91.30.1-0.5-0.40.51.83.34.85.96.25.84.93.82.82.22

Tide / Current Tables for Davis Point, California Current
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Davis Point
Click for Map
Wed -- 01:27 AM PDT     1.68 knots Max Flood
Wed -- 04:27 AM PDT     -0.00 knots Slack
Wed -- 06:07 AM PDT     Sunrise
Wed -- 08:57 AM PDT     -2.42 knots Max Ebb
Wed -- 09:46 AM PDT     Moonrise
Wed -- 12:03 PM PDT     0.00 knots Slack
Wed -- 02:25 PM PDT     1.49 knots Max Flood
Wed -- 06:32 PM PDT     -0.00 knots Slack
Wed -- 08:23 PM PDT     Sunset
Wed -- 09:49 PM PDT     -1.52 knots Max Ebb
Wed -- 10:47 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.91.61.61.10.4-0.4-1.2-1.8-2.3-2.4-2.1-1.3-0.111.41.41.20.80.3-0.3-0.9-1.4-1.5-1.1

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for Sacramento, CA (0,6,7,8)
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Ground Weather Radar Station Sacramento, CA
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weather_mapweather_map weather_map

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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.