Tuesday, October17, 2017 L-36.com


Marine Weather and Tides
Oakdale, 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 7:13AMSunset 6:23PM Tuesday October 17, 2017 1:15 PM PDT (20:15 UTC) Moonrise 4:01AMMoonset 4:40PM Illumination 7% Phase: Waning Crescent; Moon at 27 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- 825 Am Pdt Tue Oct 17 2017
Today..N winds 5 kt...becoming sw 5 to 15 kt in the afternoon. Patchy smoke in the afternoon.
Tonight..SW winds 5 to 15 kt. Patchy smoke.
Wed..SW winds 5 to 15 kt. Patchy smoke.
Wed night..SW winds 10 to 20 kt.
Thu..SW winds 10 to 20 kt. Chance of rain.
Fri..W winds 10 kt. Slight chance of rain.
Sat..W winds 10 kt.
PZZ500 825 Am Pdt Tue Oct 17 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... A system is currently moving to the northeast towards the coastal waters that has lightning associated with it. This will bring a chance of Thunderstorms to the southern waters late this morning and into this evening. A trough and cold front will move across the coastal waters from the gulf of alaska late Thursday. The cold front will be accompanied by light rain. A moderate to long period mixed northwesterly and southerly swell is expected this afternoon and tonight. A very large northwesterly swell train, the largest of the season to date, will then arrive over the waters Thursday night lasting through the period. This large swell will create hazardous conditions.

7 Day Forecast for Marine Location Near Oakdale, CA
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location: 37.76, -120.84     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 171717
afdsto
area forecast discussion
national weather service sacramento ca
339 am pdt Tue oct 17 2017

Synopsis
Dry weather thru mid-week. Rain chances along with high mountain
snow and cooler temperatures late in the week followed by a
warming trend this weekend into early next week.

Discussion
Seeing some more high cloudiness move into norcal as our area is in
between 2 wx systems, one to the NW and the other to the ssw. Clouds
across the N are associated with a weakening front moving into the
pac nw, while the clouds to the south are from the subtropical flow
associated with the short wave lifting newd from the vicinity of
28n 125w. Some of this moisture appears to be the remnants from the
decaying low pressure system off the baja coast, and is quite moist
and unstable with hundreds of c-g strikes. This moisture gets
shunted SE of our CWA by the wnw flow developing over norcal as a
progressive short wave moves across the pac NW today.

Low pressure system over the WRN aleutians is forecast to deepen a
trof over the nern pac and into the WRN states Thu fri. This will
drive a frontal band across norcal mainly Thu nite Fri morning.

Naefs anomaly table returns a modest +1 anomaly to the coast thu
evening, and spreads it ewd into the sierra by 12z fri, followed by
lowering pw and a drying air mass. Thus, most of the rain in our cwa
should fall Thu nite into Fri morning.

Prefer a blend of the ECMWF gfs over the NRN mtns as the ECMWF is
much wetter than the gfs, and prefer the GFS over the sierra, as the
ecmwf has been trending lower on the QPF than the gfs. The wswly
flow with the approaching trof frontal band should provide a
favorable orographic trajectory for the sierra Thu nite and fri
morning. Colder air behind the frontal band expected to lower snow
levels below the major passes on i-80 us-50 where an inch or two of
snow could accumulate. Wetter mountain areas may see as much as an
inch of liquid precip while the valley will generally see less than
a quarter inch and most locales probably just a few hundredths. Jhm
.Extended discussion (Saturday through Tuesday)
the upper trough pushes east and weakens Friday night into
Saturday morning making way for drier and warmer weather over the
weekend. Daytime highs in the valley will warm into the upper 70s
and low 80s by Sunday. For the foothills and mountains, Sunday
highs will rise to the 60s to mid 70s. Dry weather with additional
warming for the beginning of next week. Jbb

Aviation
Vfr conditions with light winds. Valley winds at TAF sites will
be less than 10 kts. Winds over higher terrain will be light with
a diurnal pattern.

Sto watches warnings advisories None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PCOC1 - 9415144 - Port Chicago, CA 67 mi45 min NE 2.9 G 2.9 67°F 63°F1019.4 hPa
SFXC1 - San Francisco Bay Reserve, CA 70 mi90 min WNW 1.9 68°F 1019 hPa50°F
RTYC1 - 9414523 - Redwood City, CA 75 mi45 min N 1.9 G 5.1 70°F 65°F1019 hPa

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Modesto City-County Airport - Harry Sham Field, CA11 mi22 minNW 77.00 miFair79°F39°F25%1018.5 hPa
Stockton, Stockton Metropolitan Airport, CA24 mi20 minWNW 65.00 miFair with Haze78°F44°F30%1018.7 hPa

Wind History from MOD (wind in knots)
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Last 24hrCalmNW4NW6NW5NW4CalmCalmCalmCalmSE3CalmCalmE3SE3CalmCalmCalmE3E3SE4CalmN3CalmNW7
1 day agoN3SE3SW3W4NW7CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm3NW4NW6
2 days agoNW7NW73NW4N4CalmNE3CalmCalmSE3SE4CalmCalmE3SE4SE3CalmCalmCalmE3CalmCalmCalmCalm

Tide / Current Tables for Stockton, San Joaquin River, California
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Stockton
Click for Map
Tue -- 04:48 AM PDT     3.56 feet High Tide
Tue -- 05:02 AM PDT     Moonrise
Tue -- 07:16 AM PDT     Sunrise
Tue -- 11:50 AM PDT     0.02 feet Low Tide
Tue -- 05:31 PM PDT     3.88 feet High Tide
Tue -- 05:42 PM PDT     Moonset
Tue -- 06:24 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.51.122.83.43.63.32.721.20.60.200.41.32.33.23.83.83.42.71.91.10.5

Tide / Current Tables for Brandt Bridge, San Joaquin River, California Current
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Brandt Bridge
Click for Map
Tue -- 01:56 AM PDT     0.00 knots Slack
Tue -- 04:38 AM PDT     0.63 knots Max Flood
Tue -- 05:02 AM PDT     Moonrise
Tue -- 06:54 AM PDT     -0.00 knots Slack
Tue -- 07:16 AM PDT     Sunrise
Tue -- 10:51 AM PDT     -1.03 knots Max Ebb
Tue -- 02:15 PM PDT     0.00 knots Slack
Tue -- 05:19 PM PDT     0.71 knots Max Flood
Tue -- 05:42 PM PDT     Moonset
Tue -- 06:24 PM PDT     Sunset
Tue -- 07:50 PM PDT     -0.00 knots Slack
Tue -- 11:37 PM PDT     -1.04 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.8-0.500.40.60.60.4-0-0.5-0.8-1-1-0.9-0.6-0.10.30.60.70.70.4-0.1-0.5-0.8-1

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 (16,3,4,5)
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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.