Sunday, August20, 2017 L-36.com


Marine Weather and Tides
Lakeport, CA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:30AMSunset 8:01PM Sunday August 20, 2017 8:20 AM PDT (15:20 UTC) Moonrise 4:14AMMoonset 6:28PM Illumination 3% Phase: Waning Crescent; Moon at 28 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 Point Arena To Point Reyes To 10 Nm- 220 Am Pdt Sun Aug 20 2017
Today..S winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 7 to 9 ft at 10 seconds. Patchy fog in the morning.
Tonight..SW winds 5 kt. Wind waves 2 ft or less. NW swell 5 to 7 ft at 10 seconds. Patchy fog after midnight.
Mon..S winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 5 to 7 ft at 10 seconds. Patchy fog in the morning.
Mon night..SW winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft at 9 seconds. Patchy fog after midnight.
Tue..S winds 10 kt...becoming nw. Wind waves 2 ft or less... Becoming 3 ft. NW swell 3 to 5 ft at 9 seconds. SWell S 3 ft. Patchy fog in the morning.
Wed..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. Mixed swell nw 3 to 5 ft and S 3 ft.
Thu..NW winds 20 to 30 kt. Wind waves 3 to 5 ft. NW swell 5 to 6 ft. SWell S 3 ft.
PZZ500 220 Am Pdt Sun Aug 20 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate northwesterly winds will continue over the northern outer waters through tonight as high pressure continues to build over the eastern pacific. Accompanying breezy winds will be locally steep wind waves before winds begin to decrease tonight.

7 Day Forecast for Marine Location Near Lakeport, CA
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location: 39.03, -123.02     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 201100
afdsto
area forecast discussion
national weather service sacramento ca
400 am pdt Sun aug 20 2017

Synopsis
Temperatures near to slightly above normal through the upcoming
week. Afternoon showers and thunderstorms possible over the
mountains through Wednesday.

Discussion
Upper troughing digging over interior norcal is helping to deepen
584 dm upper low off the socal coast. Low forecast to be
quasistationary through Tuesday before progged to open to trough
and move inland Wednesday. Synoptic cooling and onshore flow will
result in a cooling trend over the next several days with highs by
Tuesday in the upper 80s to 90s in the central valley, with 60s to
80s for the mountains and foothills. Northerly wind over northern
portions of the CWA today will make for some hazy skies as it
draws smoke southward from numerous oregon wild fires. Instability
and moisture convergence over the higher elevations of the sierra
nevada and mountains of western plumas will result in afternoon
thunderstorms again.

Upper low off the socal coast will continue to draw moisture
northward into the area over the next several days leading to a
more widespread threat of deep moist convection, mainly over the
mountains and in the afternoon to evening hours. Tuesday into
Tuesday night looks to be the most active period for mountain
storms. Slight chance of showers and thunderstorms continues over
the higher terrain Wednesday, as temperatures edge up a few
degrees.

Btw, skies should be mostly clear for Monday's eclipse viewing,
however haze smoke may come into play for northern portions of
the cwa.

Pch
.Extended discussion (Thursday through Sunday)
medium range models showing broad troughing aloft continuing over
the forecast area Thursday into Friday then height rising over the
weekend. Drier weather expected with a gradual warming trend.

Temperatures forecast to be around 2 to 6 degrees above normal by
the end of the forecast period.

Aviation
GenlyVFR conds ovr intr norcal nxt 24 hrs exc LCL MVFR ifr poss
in st vcnty of delta til arnd 17z. Also, LCL MVFR poss in hz fu
vcnty krbl nwd. Isold to sct TSTM poss ovr hyr trrn of siernev
and mtns of WRN plumas cnty btwn 21z-01z. Swly sfc wnd gsts up to
30 kts poss thru delta til 16z and aft 23z.

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 37 mi50 min E 7 G 8.9 56°F 55°F1012.4 hPa
46014 - PT ARENA - 19NM North of Point Arena, CA 53 mi40 min S 9.7 G 14 1012.2 hPa

Wind History for Arena Cove, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA12 mi24 minN 010.00 miMostly Cloudy56°F54°F93%1011.7 hPa

Wind History from UKI (wind in knots)
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Last 24hrCalmCalmCalmE34SE7SE9SE9SE8SE7S7S7S7S6S5S7S6S4S8S6S4SE4SE3Calm
1 day agoSE3CalmCalmE33SE8SE6SE844NE5E3S7S6S6SE6S4S4S5E3CalmCalmCalmSE3
2 days agoCalmE3CalmCalmE5CalmCalmNW10NW8N8N8CalmCalmCalmCalmCalmCalmS3S5S5S6S5CalmSE4

Tide / Current Tables for Arena Cove, Pacific Ocean, California
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Arena Cove
Click for Map
Sun -- 04:45 AM PDT     -0.87 feet Low Tide
Sun -- 05:17 AM PDT     Moonrise
Sun -- 06:33 AM PDT     Sunrise
Sun -- 11:16 AM PDT     5.07 feet High Tide
Sun -- 04:30 PM PDT     1.95 feet Low Tide
Sun -- 07:31 PM PDT     Moonset
Sun -- 08:02 PM PDT     Sunset
Sun -- 10:34 PM PDT     6.81 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
53.41.70.3-0.7-0.8-0.30.82.23.64.654.94.33.42.5222.63.64.966.76.7

Tide / Current Tables for Salt Point, California Current
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Salt Point
Click for Map
Sun -- 02:07 AM PDT     -1.57 knots Max Ebb
Sun -- 05:16 AM PDT     Moonrise
Sun -- 06:01 AM PDT     0.00 knots Slack
Sun -- 06:32 AM PDT     Sunrise
Sun -- 09:07 AM PDT     1.30 knots Max Flood
Sun -- 12:16 PM PDT     -0.00 knots Slack
Sun -- 02:45 PM PDT     -0.91 knots Max Ebb
Sun -- 06:01 PM PDT     0.00 knots Slack
Sun -- 07:28 PM PDT     Moonset
Sun -- 08:00 PM PDT     Sunset
Sun -- 08:54 PM PDT     1.06 knots Max Flood
Sun -- 11:46 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.8-1.4-1.6-1.5-1.2-0.7-00.71.11.31.20.80.2-0.5-0.8-0.9-0.8-0.5-00.50.91.10.90.5

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

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 numerious 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.