Monday, November30, 2020
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Marine Weather and Tides
Clarksburg, 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 7:02AMSunset 4:46PM Monday November 30, 2020 8:33 AM PST (16:33 UTC) Moonrise 5:11PMMoonset 7:19AM Illumination 100% Phase: Full Moon; Moon at 15 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- 239 Am Pst Mon Nov 30 2020
Today..SW winds up to 10 kt.
Tonight..NW winds up to 10 kt.
Tue..SW winds around 5 kt.
Tue night..NE winds up to 10 kt.
Wed..NE winds 5 to 15 kt.
Wed night..W winds around 5 kt.
Thu..NE winds around 5 kt.
Fri..NE winds around 5 kt.
PZZ500 239 Am Pst Mon Nov 30 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... High pressure strengthens over the eastern pacific today and tonight with high pressure spilling into the intermountain west and becoming stationary Tuesday through Friday. Northwest winds becoming more northerly mid to late week. Long period northwest swell arrives this afternoon into Tuesday with longer period swell train arriving Wednesday into Thursday.


7 Day Forecast for Marine Location Near Clarksburg, CA
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location: 38.42, -121.52     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 301115 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 315 AM PST Mon Nov 30 2020

SYNOPSIS. Dry conditions with mild afternoons and cool nights are forecast through the week. Breezy north to east winds are expected Tuesday into Wednesday.

DISCUSSION. Other than a few high clouds passing overhead associated with the trough moving onshore across the PacNW, skies are clear across interior NorCal early this morning. Current temperatures and dew points are a bit higher compared to 24 hours ago across much of the area, but readings in the 30s through the Central Valley are still cool enough for areas of frost again across early this morning.

The trough moves east later today, and as it does, north and east surface pressure gradients will tighten in its wake across NorCal. Breezy conditions are expected to setup later tonight across the Sacramento Valley and foothills of the southern Cascade Range. The result should be a little milder overnight lows tonight, especially along the western edge of the valley. Some patchy frost will still be possible along the more wind-sheltered eastern edge of the valley around daybreak Tuesday. Winds won't be as breezy by Tuesday afternoon and Tuesday night, so early morning frost may become a little more extensive by mid-week.

Otherwise, dry weather will continue through the week with mild daytime temperatures and cool nights (outside of the foothill thermal belts).

EXTENDED DISCUSSION (Friday THROUGH Monday).

Little change is expected through the extended period with a Rex block pattern deflecting the storm track to the north. Dry weather continues with mild, above normal temperatures in the afternoon and cool lows in the morning. Inversions will continue with more mild overnight temperatures in the foothills and lower mountains. Expect haze to build up at night in the Valley as the inversion acts as a lid, trapping pollutants. EK

AVIATION.

VFR conditions expected with just some thing high clouds and generally light winds under 10 kts. MVFR is briefly possible at KMOD due to BR after around 12-17 UTC. EK

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 31 mi49 min NNE 1
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 33 mi46 min Calm G 1.9 1025.7 hPa
PCOC1 - 9415144 - Port Chicago, CA 37 mi46 min SSW 2.9 G 7 54°F1026 hPa
UPBC1 41 mi46 min WNW 2.9 G 5.1
MZXC1 - 9415102 - Martinez-Amorco CA 42 mi46 min SSW 1 G 1.9 54°F1026.3 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 47 mi46 min Calm G 1 1026.2 hPa
RCMC1 - 9414863 - Richmond, CA 58 mi46 min NNE 1.9 G 2.9

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sacramento Executive Airport, CA7 mi41 minWNW 34.00 miFog/Mist35°F32°F89%1026.3 hPa
Sacramento Mather Airport, CA15 mi49 minESE 410.00 miClear32°F32°F100%1025.4 hPa
University Airport, CA16 mi59 minNNW 410.00 miFair36°F28°F75%1026.4 hPa
Sacramento, McClellan Airfield Airport, CA18 mi39 minN 06.00 miFog/Mist36°F33°F93%1026.4 hPa
Sacramento International Airport, CA20 mi41 minWNW 59.00 miFair33°F30°F92%1026.4 hPa
Vacaville Nut Tree Airport, CA23 mi41 minN 010.00 miFair38°F33°F83%1026.7 hPa
Fairfield / Travis Air Force Base, CA24 mi96 minW 310.00 miFair30°F26°F86%1026.8 hPa

Link to 5 minute data for KSAC

Wind History from SAC (wind in knots)
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Last 24hrCalmCalmN3E4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm4NW3
1 day agoNW4N5NW4NW7NW8N76N6N4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmSE6E53SE4SE4S3S4SW3CalmCalmCalmCalmCalmE3CalmCalmCalmCalmCalmCalmCalmNW3Calm

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Mon -- 01:25 AM PST     -0.11 feet Low Tide
Mon -- 01:32 AM PST     Full Moon
Mon -- 06:36 AM PST     2.20 feet High Tide
Mon -- 07:04 AM PST     Sunrise
Mon -- 07:18 AM PST     Moonset
Mon -- 12:21 PM PST     0.81 feet Low Tide
Mon -- 04:45 PM PST     Sunset
Mon -- 04:54 PM PST     3.10 feet High Tide
Mon -- 05:10 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.1-00.41.11.72.12.221.61.210.80.91.42.22.93.132.72.21.61.10.6

Tide / Current Tables for Snodgrass Slough, Sacramento River, California
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Snodgrass Slough
Click for Map
Mon -- 01:32 AM PST     Full Moon
Mon -- 01:59 AM PST     -0.10 feet Low Tide
Mon -- 07:03 AM PST     Sunrise
Mon -- 07:18 AM PST     Moonset
Mon -- 07:38 AM PST     1.80 feet High Tide
Mon -- 12:55 PM PST     0.77 feet Low Tide
Mon -- 04:46 PM PST     Sunset
Mon -- 05:10 PM PST     Moonrise
Mon -- 05:56 PM PST     2.53 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.2-0-0.10.10.511.51.71.81.61.310.80.80.91.31.92.42.52.42.11.71.20.8

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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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.