Tuesday, March31, 2020
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Marine Weather and Tides
Stonyford, 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 6:53AMSunset 7:34PM Tuesday March 31, 2020 8:56 AM PDT (15:56 UTC) Moonrise 10:25AMMoonset 12:48AM Illumination 51% Phase: First Quarter Moon; Moon at 7 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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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 843 Am Pdt Tue Mar 31 2020
.small craft advisory in effect from 3 pm pdt this afternoon through late Wednesday night...
Today..W winds 5 to 10 kt, becoming nw 10 to 20 kt with gusts up to 30 kt this afternoon. Wind waves 2 to 3 ft. NW swell 6 to 8 ft at 11 seconds. A slight chance of showers this morning.
Tonight..NW winds 20 to 25 kt with gusts up to 30 kt. Wind waves 5 to 6 ft. NW swell 7 to 9 ft at 12 seconds.
Wed..NW winds 20 to 30 kt with gusts up to 40 kt. Wind waves 6 to 7 ft. NW swell 6 to 8 ft at 12 seconds and S around 2 ft at 19 seconds.
Wed night..NW winds 20 to 30 kt with gusts up to 40 kt. Wind waves 6 to 7 ft. NW swell 5 to 7 ft at 12 seconds.
Thu..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 5 to 6 ft. NW swell 4 to 6 ft at 11 seconds and S around 2 ft at 18 seconds.
Thu night..NW winds 20 to 30 kt with gusts up to 35 kt. Wind waves 5 to 6 ft. NW swell 3 to 5 ft at 10 seconds and S around 2 ft at 17 seconds.
Fri..NW winds 10 to 20 kt. Wind waves 4 to 5 ft. Mixed swell nw 3 to 4 ft and S around 2 ft. A chance of showers.
Sat..W winds 5 to 10 kt. Wind waves 3 to 4 ft. NW swell 3 to 5 ft and S around 2 ft. A chance of showers.
PZZ500 843 Am 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... Northwest winds will increase this afternoon through Wednesday night as a low pressure system moves inland over the pacific northwest. The waters off the big sur coast will likely see some gale-force winds and/or gusts. Additionally, can't rule out some isolated gale-force gusts for the outer waters north of point pinos. Mixed swell will persist with a moderate northwest swell and a light southwesterly swell.


7 Day Forecast for Marine Location Near Stonyford, CA
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location: 39.34, -122.69     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 310930 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 230 AM PDT Tue Mar 31 2020

Synopsis. Threat of showers persists across far northern California today, otherwise dry and milder this week. Breezy northerly winds expected by mid-week. Chance of precipitation returns over the weekend.

Discussion. Strong mid-level jet, beneath the upper trough centered over BC, continues to force light precipitation across the far northern portion of California. Radar shows some light showers spreading inland from northwest California into the northern Sacramento Valley. Elsewhere, skies are mostly clear to the south of Sacramento. Current temperatures range from the 30s in the mountains to the upper 40s and 50s across the Central Valley.

Precipitation across the north is expected to taper today as the jet weakens/retreats northward and weakening front sags into NorCal. Additional QPF today is expected to be less than a quarter inch across the northern mountains.

Generally drier and milder conditions are expected through the end of the work week. Breezy northerly winds are expected beginning Wednesday as pressure gradient tightens. Gusts of 25 to 30 mph will be possible, mainly across the northern Sacramento Valley on Wednesday, and throughout the Central Valley on Thursday.

Seasonal, or slightly below average temperatures are expected.

EXTENDED DISCUSSION (Saturday THROUGH Tuesday). Deterministic models coming into better agreement over the weekend indicating a pair of Pacific storms will move through interior NorCal. First moves through Saturday, followed by a colder stronger low Sunday. Widespread precipitation is depicted with Sundays system bringing some moderate to heavy snow in the mountains of Western Plumas county and Northern Sierra Nevada. Forecast confidence lowers early next week as model differences become more significant. Ensemble solutions however maintain upper troughing over NorCal Mon/Tue for a continued unsettled weather forecast.

AVIATION. Lcl MVFR/IFR conds poss in shwrs, N of I-80 and mnly omtns and poss Nrn Sac Vly, thru abt 03z Wed otrw VFR. Sn lvls 050-070 ft amsl. In Cntrl Vly/Delta lcl S-SW sfc wnd gusts up to 25 kts poss btwn 18z-04z. Omtns, lcl S-W sfc wnd gsts up to 35 kts poss nxt 24 hrs.

STO WATCHES/WARNINGS/ADVISORIES. None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANVC1 - 9416841 - Arena Cove, CA 62 mi57 min W 4.1 G 4.1 52°F 53°F1024.3 hPa (+0.4)
46014 - PT ARENA - 19NM North of Point Arena, CA 68 mi27 min WSW 7.8 G 9.7 52°F 52°F1024 hPa

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA30 mi61 minN 010.00 miOvercast52°F48°F89%1023.1 hPa

Link to 5 minute data for KUKI

Wind History from UKI (wind in knots)
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Last 24hrSE4S645S5SE6SW6W6S5S6S5SE3SE4S4S6S6S4CalmCalmSE3CalmCalmCalmCalm
1 day agoCalmCalmSE3SE8SE743SE4S44SE3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalmCalm4S6SE6S3SE3SE3S3S3S4S3S4S4CalmCalmCalmE3N3CalmCalmCalm

Tide / Current Tables for Albion, California
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Albion
Click for Map
Tue -- 01:52 AM PDT     Moonset
Tue -- 03:51 AM PDT     5.02 feet High Tide
Tue -- 07:00 AM PDT     Sunrise
Tue -- 11:12 AM PDT     0.34 feet Low Tide
Tue -- 11:30 AM PDT     Moonrise
Tue -- 07:02 PM PDT     3.79 feet High Tide
Tue -- 07:38 PM PDT     Sunset
Tue -- 11:10 PM PDT     3.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.644.54.954.84.23.32.21.30.60.30.50.91.52.12.83.33.73.83.73.63.43.3

Tide / Current Tables for Mendocino, Mendocino Bay, California
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Mendocino
Click for Map
Tue -- 01:52 AM PDT     Moonset
Tue -- 03:44 AM PDT     5.02 feet High Tide
Tue -- 07:00 AM PDT     Sunrise
Tue -- 11:10 AM PDT     0.34 feet Low Tide
Tue -- 11:30 AM PDT     Moonrise
Tue -- 06:55 PM PDT     3.79 feet High Tide
Tue -- 07:38 PM PDT     Sunset
Tue -- 11:08 PM PDT     3.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.64.14.64.954.74.13.22.11.20.60.30.50.91.52.22.83.43.73.83.73.53.43.3

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 (11,2,3,4)
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Ground Weather Radar Station Beal AFB, 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.