Wednesday, April1, 2020
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Marine Weather and Tides
Camanche North Shore, 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 6:47AMSunset 7:29PM Wednesday April 1, 2020 1:37 AM PDT (08:37 UTC) Moonrise 11:16AMMoonset 1:35AM Illumination 58% Phase: Waxing Gibbous; Moon at 8 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- 834 Pm Pdt Tue Mar 31 2020
Tonight..W winds 10 to 20 kt.
Wed..W winds 5 to 15 kt.
Wed night..NW winds 10 to 20 kt with gusts up to 25 kt.
Thu..NW winds 5 to 15 kt.
Thu night..W winds 5 to 15 kt with gusts up to 25 kt.
Fri..W winds up to 10 kt.
Fri night..W winds 5 to 10 kt. A chance of rain.
Sat..SW winds 5 to 10 kt. A chance of rain.
Sun..S winds 5 to 15 kt. Rain likely.
PZZ500 834 Pm Pdt Tue Mar 31 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Northwesterly winds strengthen Wednesday as a low pressure system over the pacific northwest moves inland, providing gale force winds. A prevailing mixed swell with a building short period and steep northwest swell and a light southwesterly swell will continue through the week.


7 Day Forecast for Marine Location Near Camanche North Shore, CA
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location: 38.23, -120.96     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 312110 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 210 PM PDT Tue Mar 31 2020

Synopsis. Dry and mild weather expected this week. Breezy north winds expected tomorrow and Thursday. A storm moves in over the weekend into early next week bringing chances for rain, mountain snow, and gusty winds.

Discussion. Light scattered showers are noted across the northern mountains early this afternoon, with these showers expected to continue this evening spreading over portions of the Southern Cascades and Sierra north of I-80. Valley highs are expected to reach into the upper 60s and low 70s this afternoon with cloud cover continuing to decrease in this area.

Showers are expected to end by late tonight with dry weather continuing through Friday. Some breezy north winds are expected both tomorrow and Wednesday as a system passes to the north and east, increasing pressure gradients across NorCal. Gusts from 25-35 mph will be possible each day in the Valley.

A shortwave progresses towards the west coast Friday night, with precipitation chances beginning early Saturday morning for the northern portion of the area. Seasonal, or slightly below average temperatures are expected through the period.

EXTENDED DISCUSSION (Saturday THROUGH Tuesday).

After looking at the 5H Cluster analysis for the weekend, confidence is high that a long wave trof will dominate the wx pattern over Norcal through much of the forecast period. Although there are differences in timing and in the details a cooler and wetter scenario is favored. A pair of Pacific storms will move through interior NorCal, the first on Sat, followed by a colder/stronger low Sunday. The deterministic ECM is slower than its counterpart on Sat, then faster with the second system on Sun as the GFS slows down due to the formation of a deep closed low off the CA coast.

Widespread precipitation is expected over Norcal this weekend with Sun's system bringing periods of moderate to heavy snow to the Sierra/Wrn Plumas Co during the day and into the evening. Residual showers are expected on Mon as the trof (ECM), closed low (GFS) pass east/south of the CWA by the end of the day. Dry NWly flow aloft is forecast on Tue with a chance of some upslope showers over the Sierra in the afternoon.

A chilly/cold period is in store for Norcal with max temps some 10-15 degrees below normal on Sun, moderating to about a handful of degrees below normal on Tue. JHM

AVIATION.

VFR conditions in the Vly with local MVFR conditions from 12z-18z Wed. Over mtns, widespread MVFR and local IFR conditions with scattered showers mainly N of I-80. Freezing level 6 kft over Nrn mtns sloping to 7-8 kft over Central Sierra. Over mtns, local S-W G50+ kts, and after 18z in Sac Vly Local NW G25 kts.

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 57 mi113 min WNW 8.9
PCOC1 - 9415144 - Port Chicago, CA 58 mi50 min WSW 13 G 17 55°F 58°F1016.4 hPa
AAMC1 - 9414750 - Alameda, CA 78 mi50 min W 6 G 7 55°F 60°F1017.5 hPa

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stockton, Stockton Metropolitan Airport, CA27 mi43 minW 710.00 miFair53°F48°F86%1016 hPa

Link to 5 minute data for KSCK

Wind History from SCK (wind in knots)
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Last 24hrW7W5NW3CalmCalmCalmCalmCalmNW5W4NW5NW6NW11NW10NW11--NW11W12W10W8W11W10W8W7
1 day agoN3E3CalmCalmCalmCalmCalmCalmCalm4Calm36W7W8W6NW7NW12NW11NW9NW10W9NW8W3
2 days agoCalmE3SE3CalmCalmCalmCalmCalmSE5Calm3CalmCalmCalmCalmW8W5W5NW6NW8NW7NW6W5NW3

Tide / Current Tables for Bishop Cut, Disappointment Slough, San Joaquin River, California
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Bishop Cut
Click for Map
Wed -- 02:11 AM PDT     2.68 feet High Tide
Wed -- 02:35 AM PDT     Moonset
Wed -- 03:21 AM PDT     First Quarter
Wed -- 06:19 AM PDT     1.53 feet Low Tide
Wed -- 06:49 AM PDT     Sunrise
Wed -- 11:46 AM PDT     3.61 feet High Tide
Wed -- 12:18 PM PDT     Moonrise
Wed -- 07:29 PM PDT     Sunset
Wed -- 08:22 PM PDT     0.20 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.22.52.72.62.21.81.51.61.92.433.53.63.432.41.71.10.70.40.20.20.61.1

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
Wed -- 02:35 AM PDT     Moonset
Wed -- 03:14 AM PDT     -0.00 knots Slack
Wed -- 03:21 AM PDT     First Quarter
Wed -- 05:07 AM PDT     -0.15 knots Max Ebb
Wed -- 06:49 AM PDT     Sunrise
Wed -- 07:23 AM PDT     0.00 knots Slack
Wed -- 10:07 AM PDT     0.53 knots Max Flood
Wed -- 12:18 PM PDT     Moonrise
Wed -- 01:06 PM PDT     -0.00 knots Slack
Wed -- 04:33 PM PDT     -0.55 knots Max Ebb
Wed -- 07:29 PM PDT     Sunset
Wed -- 09:17 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.40.20-0.1-0.2-0.1-00.20.40.50.50.30-0.2-0.4-0.5-0.5-0.5-0.4-0.2-0.10.20.4

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 (4,6,7,8)
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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.