Monday, July6, 2020
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Marine Weather and Tides
Penn Valley, CA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 5:45AMSunset 8:36PM Monday July 6, 2020 12:43 PM PDT (19:43 UTC) Moonrise 9:11PMMoonset 6:06AM Illumination 98% 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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7 Day Forecast for Marine Location Near Penn Valley, CA
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location: 39.21, -121.2     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 061045 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 345 AM PDT Mon Jul 6 2020

SYNOPSIS. Dry weather with seasonable temperatures for the week.

DISCUSSION. A little cooler weather is expected today with a deepening upper level trough and onshore flow. Temperatures at 3 am were generally 2 to 5 degrees lower than this time yesterday, and this trend will continue for afternoon highs. Daytime temperatures will hover right around normal through midweek. Valley highs are forecast in the 90s with upper 60s to 80s in the mountains.

Westerly winds are expected to increase this afternoon and tonight, especially through the Delta and over the Sierra crest, with gusts up to 30 to 40 mph. Onshore flow will bring quite a bit of cooling overnight, with lows in upper 50s for the Delta, southern/central Sacramento Valley and northern San Joaquin Valley.

Tuesday highs will be slightly below normal, with Valley highs generally in the lower 90s. Temperatures begin warming a little Wednesday as the trough exits to the east and the pattern flattens out. EK

EXTENDED DISCUSSION (Friday THROUGH Monday).

Ensembles continue to indicate a weak trough along the West Coast while strong ridging extends from SoCal into the central CONUS late this week into early next week. This pattern would favor dry and warm weather with at least light onshore flow into the Central Valley resulting in max temperatures a little over the century mark across warmest portions of the valley, around 5 degrees above average.

AVIATION.

VFR conditions next 24 hours. Areas southwesterly surface wind gusts 15-25 kts develop after 20Z, and 25-35 kts vicinity Carquinez Strait and west Delta after 22Z.

STO WATCHES/WARNINGS/ADVISORIES. None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SFXC1 - San Francisco Bay Reserve, CA 82 mi118 min W 13
PCOC1 - 9415144 - Port Chicago, CA 91 mi55 min W 17 G 19 73°F 69°F1013.1 hPa

Wind History for Port Chicago, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Marysville, Beale Air Force Base, CA14 mi45 minSSW 510.00 miFair86°F50°F30%1011.4 hPa
Auburn Municipal Airport, CA19 mi48 minVar 510.00 miFair84°F46°F27%1013.9 hPa
Marysville, Yuba County Airport, CA21 mi50 minVar 410.00 miFair85°F48°F29%1011.9 hPa
Lincoln Regional Karl Harder Field, CA22 mi48 minN 010.00 miFair86°F46°F25%1011.5 hPa

Link to 5 minute data for KGOO

Wind History from GOO (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalm4W7SW5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoE8E8Calm4CalmW7W10NW86
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NW9NW4W7W5CalmCalmCalmCalmCalmE5CalmSE3E5CalmCalm
2 days agoNE446W34NW5
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W9W7CalmNE45CalmE11
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Tide / Current Tables for Sacramento, Sacramento River, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
Click for Map
Mon -- 03:34 AM PDT     0.93 feet Low Tide
Mon -- 05:48 AM PDT     Sunrise
Mon -- 07:08 AM PDT     Moonset
Mon -- 07:38 AM PDT     3.35 feet High Tide
Mon -- 05:03 PM PDT     -0.24 feet Low Tide
Mon -- 08:33 PM PDT     Sunset
Mon -- 10:03 PM PDT     2.62 feet High Tide
Mon -- 10:10 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.51.1111.62.53.23.33.22.82.31.71.20.70.2-0.1-0.200.81.62.32.62.5

Weather Map
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wmap_P
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Sacramento, CA (15,3,4,5)
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Ground Weather Radar Station Beal AFB, 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 numerous 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.