Wednesday, April8, 2020
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Marine Weather and Tides
Geyserville, 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 6:42AMSunset 7:43PM Wednesday April 8, 2020 12:37 AM PDT (07:37 UTC) Moonrise 7:46PMMoonset 6:27AM 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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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 955 Pm Pdt Tue Apr 7 2020
.small craft advisory in effect until 9 am pdt Wednesday...
Tonight..NW winds 5 to 15 kt, increasing to 15 to 25 kt with gusts up to 30 kt after midnight. Wind waves 1 to 2 ft, increasing to 3 to 4 ft after midnight. NW swell 4 to 6 ft at 8 seconds and sw 2 to 3 ft at 18 seconds.
Wed..SW winds 5 to 10 kt. Wind waves 1 ft. NW swell 6 to 8 ft at 9 seconds and sw 2 to 3 ft at 18 seconds.
Wed night..S winds around 5 kt. Wind waves 1 ft. NW swell 6 to 8 ft at 9 seconds and sw 2 to 3 ft at 17 seconds.
Thu..SE winds 5 to 10 kt. Wind waves 1 ft. NW swell 5 to 7 ft at 10 seconds and S 2 to 3 ft at 17 seconds.
Thu night..SE winds around 5 kt. Wind waves 1 ft. NW swell 4 to 6 ft at 13 seconds and S 2 to 3 ft at 16 seconds.
Fri..W winds up to 10 kt. Wind waves 1 ft. Mixed swell nw 3 to 5 ft at 12 seconds and S 2 to 3 ft at 16 seconds.
Fri night..NW winds 5 to 10 kt. Wind waves 1 to 2 ft. Mixed swell nw 3 to 5 ft at 12 seconds and S 2 to 3 ft at 15 seconds.
Sat..NW winds 10 to 20 kt. Wind waves 2 to 3 ft. NW swell 4 to 6 ft and S around 2 ft.
Sun..NW winds 5 to 15 kt. Wind waves 2 to 3 ft. NW swell 4 to 6 ft and S around 2 ft.
PZZ500 955 Pm Pdt Tue Apr 7 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Northwest winds will decrease on Wednesday as a low pressure system over southern california moves further inland. A long period southwest will mix with a long period west to northwest swell through the week.


7 Day Forecast for Marine Location Near Geyserville CDP, CA
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location: 38.71, -123     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 072058 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 158 PM PDT Tue Apr 7 2020

Synopsis. A few lingering showers over mainly the mountains into Thursday, otherwise dry weather with gradually milder temperatures expected through the remainder of the week.

Discussion. A few scattered showers are noted on the radar early this afternoon as a low pressure system remains just off the coast of southern California. This low slowly pivots back over SoCal Wednesday into Thursday, with chances for showers during this time in the southern portion of the forecast area. Elsewhere, the mild and dry weather continues. Locally breezy north winds will be possible Wednesday across the northern Sacramento Valley, and gusty east winds across the higher elevations of the northern Sierra Nevada. Normal or above normal high temperatures will be seen the ladder half of the week with Valley highs in the 70s by Friday.

EXTENDED DISCUSSION (Saturday THROUGH Tuesday). EPac high pressure over northern California will lead to dry weather and above normal temperatures through the majority of the weekend. Ridging breaks down slightly on Sunday as an Arctic system moves south towards the central Rockies which may allow for a few mountain showers over the Sierra along with breezy Valley winds. Ridging then looks to build back into the region with dry weather continuing into early next week.

AVIATION. Mainly VFR conditions at TAF sites, except for local MVFR conditions in the northern San Joaquin Valley early Wednesday. Local areas of MVFR within any developing showers, mainly over the Sierra. Local northerly wind gusts up to 20 kts northern terminals after 17z Wednesday.

STO WATCHES/WARNINGS/ADVISORIES. None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46013 - Bodega Bay - 48NM North Northwest of San Francisco, CA 35 mi28 min NW 19 G 25 52°F1015.7 hPa
ANVC1 - 9416841 - Arena Cove, CA 40 mi50 min NW 5.1 G 8 50°F 51°F1016.7 hPa

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Rosa, Santa Rosa Sonoma County Airport, CA17 mi45 minSSE 310.00 miFair46°F43°F89%1014.3 hPa

Link to 5 minute data for KSTS

Wind History from STS (wind in knots)
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Last 24hrNW4CalmNW3N4N4NW4CalmCalmNW4CalmCalmSW4W434SW9W12W5W4W6W3SW4CalmSE3
1 day agoCalmCalmCalmCalmCalmNW4NW4N3N4NW3NW4N73N3S5S7
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2 days agoSE4SE6SE7S9SE8S7S9SW12
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Tide / Current Tables for Fort Ross, California
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Fort Ross
Click for Map
Wed -- 05:48 AM PDT     -0.26 feet Low Tide
Wed -- 06:46 AM PDT     Sunrise
Wed -- 07:28 AM PDT     Moonset
Wed -- 11:59 AM PDT     5.40 feet High Tide
Wed -- 05:56 PM PDT     0.55 feet Low Tide
Wed -- 07:43 PM PDT     Sunset
Wed -- 08:47 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.85.13.82.30.9-0-0.20.31.42.7455.45.14.22.91.70.80.5123.24.55.6

Tide / Current Tables for Salt Point, California Current
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Salt Point
Click for Map
Wed -- 12:40 AM PDT     -0.00 knots Slack
Wed -- 03:36 AM PDT     -1.53 knots Max Ebb
Wed -- 06:46 AM PDT     Sunrise
Wed -- 07:08 AM PDT     0.00 knots Slack
Wed -- 07:28 AM PDT     Moonset
Wed -- 10:08 AM PDT     1.36 knots Max Flood
Wed -- 01:19 PM PDT     -0.00 knots Slack
Wed -- 04:01 PM PDT     -1.31 knots Max Ebb
Wed -- 07:26 PM PDT     0.00 knots Slack
Wed -- 07:44 PM PDT     Sunset
Wed -- 08:48 PM PDT     Moonrise
Wed -- 10:18 PM PDT     1.20 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.5-0.2-1-1.5-1.5-1.2-0.7-0.10.61.11.41.20.80.2-0.5-1.1-1.3-1.2-0.8-0.30.30.91.21.1

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 (3,6,7,8)
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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.