Tuesday, September22, 2020
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L-36.com

Marine Weather and Tides
Pollock Pines, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:51AMSunset 7:01PM Tuesday September 22, 2020 4:37 AM PDT (11:37 UTC) Moonrise 12:02PMMoonset 9:50PM Illumination 27% Phase: Waxing Crescent; Moon at 5 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 Pollock Pines, CA
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location: 38.72, -120.57     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 221031 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 331 AM PDT Tue Sep 22 2020

SYNOPSIS. Chance of showers over the Shasta and Coastal mountains Wednesday night and Thursday, otherwise dry weather expected. Temperatures close to average this week, then hot, dry, and potentially windy conditions return over the weekend.

DISCUSSION. Band of high clouds is moving across NorCal early this morning associated with short-wave passing to the north of the region. Otherwise, skies are clear. Increased onshore flow is gradually bringing improved air quality inland from the coast, but it has been a slow process. Good air quality now covers the northern San Joaquin Valley and extends about halfway up the Sacramento Valley, but the southerly flow is also pooling unhealthy air across the north end of the Sacramento Valley.

Onshore flow will continue across the region today as the initial short-wave lifts out and another weaker one brushes the far northern part of the state. Temperatures will be down a few degrees compared to Monday. Brief ridging will bring slight warming and lighter winds on Wednesday.

Next upstream trough forecast to move through the PacNW on Thursday. It will push a weakening frontal system into NW California on Wednesday night and Thursday with only very light QPF expected over the far NW corner of the forecast area. Dry and warmer weather returns beginning Friday.

EXTENDED DISCUSSION (Saturday THROUGH Tuesday). High pressure builds over interior Northern California over the weekend into early next week. This will result in a warming trend with above normal temperatures. Highs by Monday/Tuesday in the Central Valley will be in the upper 90s to around 100, hottest in the Northern Sacramento Valley, with 80s to low 90s for the mountains and foothills. Breezy north to east wind develops Saturday and continues into early Tuesday. Combination of wind, hot temperatures and low humidity will bring elevated fire weather conditions.

AVIATION. VFR conds ovr intr NorCal nxt 24 hrs exc lcl MVFR conds poss in HZ/FU vcnty of wild fires. Sfc wnd genly blo 12 kts exc vcnty of Delta with gsts to 30 kts poss aft 00z Tue and ovr hyr mtn trrn aft 18z tda.

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 85 mi52 min W 8
PCOC1 - 9415144 - Port Chicago, CA 90 mi49 min SSW 7 G 12 61°F 69°F1014 hPa

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Auburn Municipal Airport, CA32 mi42 minESE 710.00 miFair68°F44°F43%1014.9 hPa

Link to 5 minute data for KAUN

Wind History from AUN (wind in knots)
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1 day agoE5E6E5E6SE5SE5SW6SW3CalmW6W54CalmCalmCalmE3CalmCalmE3E5E7E8E9E8
2 days agoE3CalmCalmCalmCalm3W66W9NW7W84NW4NW5CalmCalmCalmCalm----CalmE6E5E5

Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
Click for Map
Tue -- 06:54 AM PDT     Sunrise
Tue -- 07:30 AM PDT     0.03 feet Low Tide
Tue -- 12:18 PM PDT     2.33 feet High Tide
Tue -- 01:05 PM PDT     Moonrise
Tue -- 06:57 PM PDT     0.55 feet Low Tide
Tue -- 07:02 PM PDT     Sunset
Tue -- 10:54 PM PDT     Moonset
Tue -- 11:25 PM PDT     3.05 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.92.62.11.510.60.20.10.10.61.322.32.321.71.20.90.60.50.81.62.53

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Tue -- 06:00 AM PDT     0.03 feet Low Tide
Tue -- 06:54 AM PDT     Sunrise
Tue -- 11:09 AM PDT     2.33 feet High Tide
Tue -- 01:05 PM PDT     Moonrise
Tue -- 05:27 PM PDT     0.55 feet Low Tide
Tue -- 07:02 PM PDT     Sunset
Tue -- 10:16 PM PDT     3.05 feet High Tide
Tue -- 10:54 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.51.91.30.80.40.100.30.91.62.12.32.321.51.10.80.60.61.11.92.733

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
Ground Weather Radar Station Sacramento, CA
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weather_mapweather_map weather_map


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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.