Saturday, July4, 2020
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Marine Weather and Tides
Rancho Calaveras, 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 8:33PM Friday July 3, 2020 10:12 PM PDT (05:12 UTC) Moonrise 6:27PMMoonset 3:16AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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- 932 Pm Pdt Fri Jul 3 2020
.small craft advisory in effect from Saturday morning through Saturday evening...
.small craft advisory in effect from Sunday morning through Sunday evening...
Tonight..SW winds 10 to 20 kt.
Independence day..SW winds 5 to 15 kt.
Sat night..W winds 5 to 15 kt.
Sun..SW winds 5 to 15 kt.
Sun night..SW winds 5 to 15 kt.
Mon..SW winds 10 to 20 kt with gusts up to 25 kt.
Mon night..W winds 10 to 15 kt.
Tue..W winds 10 to 20 kt with gusts up to 25 kt.
Wed..SW winds 10 to 20 kt with gusts up to 25 kt.
PZZ500 932 Pm Pdt Fri Jul 3 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Surface high pressure will build over the coastal waters resulting in moderate to strong northwest winds through the holiday weekend. These winds will generate steep fresh swell resulting in hazardous seas conditions, particularly for smaller vessels. A long-period southerly swell train will persist through the weekend. This will cause occasional breaking waves over nearshore shoals and strong currents along the coast, especially near points and headlands.


7 Day Forecast for Marine Location Near Rancho Calaveras, CA
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location: 38.15, -120.86     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 032141 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 241 PM PDT Fri Jul 3 2020

SYNOPSIS. Dry weather with seasonable temperatures for the next week.

DISCUSSION. Long wave troughing is going to continue over the PacNW as we head into the holiday weekend but we will see the SW high push back west a bit. This will bring rising heights to much of NorCal and slightly warmer temperatures. Highs today will be within a few degrees of seasonal normals. Highs tomorrow will warm another 3-7 degrees compared to today.

With the ridge moving back west we will see weaker Delta flow and we are already seeing that this afternoon. Winds will pick up through the Delta this evening but they will not be as strong as yesterday. On Sunday the SW ridge will begin to push back to the east as the PacNW trough slowly begins to push south. This will increase Delta flow on Sunday but when it comes to temperatures they will be similar to Saturday.

-CJM

EXTENDED DISCUSSION (Tuesday THROUGH Friday). Ensembles support general troughing over the PacNW, with some weak embedded waves moving through early next week. This pattern will result in slightly below normal highs and increased onshore flow. Little change in high temperatures is expected next week, with low to mid 90s in the Valley. A few Valley locations might hover around the upper 80s. There are some indications that temperatures might warm up late in the period as the Four Corners high expands. A dry weather pattern will continue.

AVIATION. VFR conditions next 24 hours. Surface winds generally below 12 kts, except for local southwesterly gusts up to 20-25 kts vicinity Delta.

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 62 mi87 min WNW 8
PCOC1 - 9415144 - Port Chicago, CA 63 mi54 min SW 9.9 G 12 68°F 71°F1014.6 hPa
AAMC1 - 9414750 - Alameda, CA 81 mi54 min 69°F

Wind History for Port Chicago, CA
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Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
COLUMBIA, CA25 mi17 minN 010.00 miFair70°F42°F38%1017.9 hPa

Link to 5 minute data for KO22

Wind History from O22 (wind in knots)
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Tide / Current Tables for Bishop Cut, Disappointment Slough, San Joaquin River, California
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Bishop Cut
Click for Map
Sat -- 05:10 AM PDT     Moonset
Sat -- 05:18 AM PDT     4.56 feet High Tide
Sat -- 05:48 AM PDT     Sunrise
Sat -- 01:15 PM PDT     -0.44 feet Low Tide
Sat -- 07:28 PM PDT     3.28 feet High Tide
Sat -- 08:30 PM PDT     Moonrise
Sat -- 08:31 PM PDT     Sunset
Sat -- 09:44 PM PDT     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.82.63.54.24.54.543.22.31.40.6-0.1-0.4-0.30.31.22.12.83.23.22.82.21.7

Tide / Current Tables for Vulcan Island .5 mi E, San Joaquin River, California Current
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Vulcan Island .5 mi E
Click for Map
Sat -- 02:51 AM PDT     0.75 knots Max Flood
Sat -- 05:10 AM PDT     Moonset
Sat -- 05:48 AM PDT     Sunrise
Sat -- 06:14 AM PDT     -0.00 knots Slack
Sat -- 10:17 AM PDT     -0.65 knots Max Ebb
Sat -- 02:18 PM PDT     0.01 knots Slack
Sat -- 05:20 PM PDT     0.60 knots Max Flood
Sat -- 08:30 PM PDT     Moonrise
Sat -- 08:31 PM PDT     Sunset
Sat -- 08:36 PM PDT     -0.00 knots Slack
Sat -- 09:44 PM PDT     Full Moon
Sat -- 10:39 PM PDT     -0.21 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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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 (1,6,7,8)
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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 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.