Wednesday, November25, 2020
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Marine Weather and Tides
Bay Point, 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 6:58AMSunset 4:51PM Wednesday November 25, 2020 2:52 AM PST (10:52 UTC) Moonrise 2:47PMMoonset 2:28AM Illumination 76% Phase: Waxing Gibbous; Moon at 10 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- 908 Pm Pst Tue Nov 24 2020
Tonight..SW winds up to 10 kt.
Wed..NW winds 5 to 15 kt.
Wed night..NW winds 5 to 15 kt.
Thanksgiving day..N winds 10 to 20 kt with gusts up to 25 kt.
Thu night..S winds around 5 kt.
Fri..E winds 5 to 15 kt.
Fri night..NE winds around 5 kt.
Sat..NE winds around 5 kt.
Sun..N winds around 5 kt.
PZZ500 908 Pm Pst Tue Nov 24 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... A cold front will move over the coastal waters and bays late tonight and Wednesday morning. The cold front will bring a slight chance of showers mainly over the northern waters early Wednesday morning. Gusty northwest winds will generate steep fresh swell hazardous for small craft vessels. These winds are expected to continue through thanksgiving. A large long period swell train will arrive early Wednesday morning and taper off by Friday. Large surf midday Wednesday into midday Thursday may lead to additional hazards for small craft vessels.


7 Day Forecast for Marine Location Near Bay Point, CA
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location: 38.04, -121.94     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 242202 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 202 PM PST Tue Nov 24 2020

SYNOPSIS. Light showers possible over the mountains tonight and Wednesday, otherwise dry weather expected into next week. Mild days and cool nights will continue with breezy north to east winds on Thursday.

DISCUSSION. Ridging is apparent over California today as clear skies are seen via visible satellite across the state. Mild afternoon highs are expected with Valley temperatures topping out in the mid to upper 60s, with highs in the 40s and low 50s in the mountains. Locally gusty winds this morning have decreased early this afternoon.

Late tonight a trough begins to dig into the PacNW and Northern California which will bring some light precipitation mainly to higher elevations. Precipitation amounts will generally be anywhere from a trace up to 0.15 inches with the most QPF located in Shasta and western Plumas County. A stray light shower at lower elevations cannot be ruled out. As for snowfall, snow levels are generally anywhere from 4500-5500 feet and total snowfall accumulation is generally less than an inch.

As this trough moves out of the area Thursday, pressure gradients tighten and north to east winds are expected across the Valley and over the Sierra and southern Cascades as early as Thursday morning. Gusts will be anywhere from 25-35 mph, locally higher. Winds decrease in the Valley Thursday evening, with stronger winds continuing in the mountains until Friday morning.

Lighter winds, dry weather, and near average daytime high temperatures are expected Friday into the weekend. Lows both Friday and Saturday night will reach near or slightly below freezing in the Valley and any sensitive plants not impacted by the last freeze may be damaged this time around.

EXTENDED DISCUSSION (Saturday THROUGH Tuesday). Upper ridging progged over NorCal this weekend resulting in dry weather with above normal high temperatures. Frontal system moves into the Pacific Northwest Monday, but enough ridging remains over NorCal to keep the associated precipitation north of the CWA. Deterministic solutions vary on the track of this low on Tuesday, but have kept a dry forecast due to ensemble guidance.

AVIATION. Generally VFR conditions expected. Light Showers possible 9-13 UTC Northern Sacramento Valley. Local MVFR possible San Joaquin Valley 12-15 UTC due to BR. Winds generally under 12 kts.

STO WATCHES/WARNINGS/ADVISORIES. None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 3 mi53 min WNW 5.1 G 7 54°F 1020.3 hPa (+1.0)
PCOC1 - 9415144 - Port Chicago, CA 5 mi53 min SW 11 G 12 51°F 56°F1020.4 hPa (+0.4)
MZXC1 - 9415102 - Martinez-Amorco CA 10 mi53 min WNW 2.9 G 5.1 53°F 56°F1020.8 hPa (+0.6)
UPBC1 10 mi53 min W 5.1 G 7
SFXC1 - San Francisco Bay Reserve, CA 12 mi68 min W 9.9
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 17 mi53 min SW 5.1 G 7 52°F 1020.6 hPa (+0.6)
PPXC1 - 9414847 - Richmond (Point Potrero), CA 24 mi53 min S 5.1 G 6 55°F 1021.6 hPa (+0.7)
LNDC1 25 mi53 min ESE 1.9 G 2.9 53°F 1021.4 hPa (+0.4)
OKXC1 - 9414776 - Oakland (Berth 34), CA 26 mi53 min ESE 1.9 G 2.9 52°F 1021.4 hPa (+0.5)
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 26 mi53 min WSW 2.9 G 5.1
RCMC1 - 9414863 - Richmond, CA 26 mi53 min WNW 1.9 G 2.9 54°F 56°F1021.1 hPa (+0.7)
OBXC1 27 mi53 min 53°F 52°F
AAMC1 - 9414750 - Alameda, CA 27 mi53 min W 4.1 G 5.1 53°F 56°F1021.6 hPa (+0.4)
PXOC1 - 9414311 - San Francisco (Pier 1), CA 29 mi53 min WSW 5.1 G 6 52°F 1020.3 hPa (+0.6)
PXSC1 29 mi53 min 53°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 29 mi42 min Calm 52°F 1021 hPa
FTPC1 - 9414290 - San Francisco, CA 32 mi53 min WSW 5.1 G 8 52°F 56°F1021.5 hPa (+0.6)
RTYC1 - 9414523 - Redwood City, CA 40 mi53 min ESE 1.9 G 2.9 51°F 58°F1022.3 hPa (+0.3)
46237 - San Francisco Bar, CA (142) 41 mi53 min 55°F6 ft

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
Concord, Buchanan Field, CA7 mi60 minSSE 610.00 miFair50°F45°F83%1019.5 hPa
Fairfield / Travis Air Force Base, CA17 mi55 minWSW 1810.00 miFair and Breezy47°F44°F91%1020 hPa
Napa, Napa County Airport, CA22 mi59 minN 00.75 miFog/Mist41°F39°F96%1020 hPa
Vacaville Nut Tree Airport, CA23 mi60 minSW 410.00 miFair47°F42°F83%1019.5 hPa
Livermore, Livermore Municipal Airport, CA24 mi60 minS 610.00 miOvercast49°F46°F90%1020.9 hPa

Link to 5 minute data for KCCR

Wind History from CCR (wind in knots)
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Last 24hrS5CalmS3SE5SE4S4S4S3Calm3CalmNW5W4--S5S7S6S4S9S11S10S9S10S6
1 day ago3SW3S4SW3CalmN3CalmNW4CalmN4NW5W10NW8W6W4SW5SE3Calm--SE4S3S5SE5Calm
2 days agoSE4CalmSE3SE3SE4CalmS3SE3CalmNW8N7--NW8W8W8CalmSW9S9CalmS6SW9S9S6SE5

Tide / Current Tables for Mallard Island Ferry Wharf, Suisun Bay, California
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Mallard Island Ferry Wharf
Click for Map
Wed -- 02:28 AM PST     Moonset
Wed -- 05:27 AM PST     0.29 feet Low Tide
Wed -- 06:59 AM PST     Sunrise
Wed -- 11:51 AM PST     3.79 feet High Tide
Wed -- 02:46 PM PST     Moonrise
Wed -- 04:49 PM PST     Sunset
Wed -- 06:28 PM PST     0.27 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.72.31.71.10.60.30.30.81.52.33.13.63.83.52.92.11.30.70.30.30.71.422.6

Tide / Current Tables for Stake Point .9 Mi NNW, Suisun Bay, California Current
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Stake Point .9 Mi NNW
Click for Map
Wed -- 12:11 AM PST     -0.00 knots Slack
Wed -- 02:29 AM PST     Moonset
Wed -- 03:26 AM PST     -0.65 knots Max Ebb
Wed -- 06:04 AM PST     0.00 knots Slack
Wed -- 06:59 AM PST     Sunrise
Wed -- 10:12 AM PST     0.97 knots Max Flood
Wed -- 01:04 PM PST     -0.01 knots Slack
Wed -- 02:46 PM PST     Moonrise
Wed -- 04:22 PM PST     -0.80 knots Max Ebb
Wed -- 04:49 PM PST     Sunset
Wed -- 07:17 PM PST     0.00 knots Slack
Wed -- 10:49 PM PST     0.68 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.3-0.5-0.6-0.6-0.4-00.40.70.910.90.50-0.3-0.6-0.8-0.8-0.5-0.10.20.50.60.7

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.