Monday, December9, 2019
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Marine Weather and Tides
Cleone, CA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:18AMSunset 4:51PM Monday December 9, 2019 4:06 PM PST (00:06 UTC) Moonrise 3:32PMMoonset 4:40AM Illumination 96% 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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PZZ455 Cape Mendocino To Pt Arena Out 10 Nm- 216 Pm Pst Mon Dec 9 2019
Tonight..SE winds 5 to 10 kt. Waves W 2 ft at 6 seconds...and nw 6 ft at 15 seconds.
Tue..SE winds 5 to 15 kt. Waves S 5 ft at 6 seconds...and W 9 ft at 16 seconds. Showers.
Tue night..SE winds 5 to 15 kt. Waves S 5 ft at 6 seconds... And W 9 ft at 16 seconds. Chance of showers.
Wed..SE winds 5 to 10 kt. Waves W 9 ft at 11 seconds.
Wed night..SE winds 5 to 10 kt. Waves S 4 ft at 6 seconds... And W 9 ft at 17 seconds.
Thu..SE winds 5 to 10 kt. Waves S 5 ft at 7 seconds...and W 16 ft at 18 seconds.
Fri..NW winds 5 kt. Waves W 15 ft at 17 seconds.
Sat..NW winds 5 to 15 kt. Waves nw 12 ft at 11 seconds.
PZZ400 216 Pm Pst Mon Dec 9 2019
Synopsis for northern california waters..Lower winds and seas will continue today before the next frontal boundary brings moderate south winds and building seas on Tuesday. A large, long period west-northwesterly swell is forecast to impact the waters on Thursday and Friday.


7 Day Forecast for Marine Location Near Cleone, CA
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location: 39.63, -123.78     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 092252 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 252 PM PST Mon Dec 9 2019

SYNOPSIS. A weak front will bring light rain to Northwest California Tuesday, followed by a brief period of high pressure on Wednesday, before an extended bout of wet weather begins on Wednesday night.

DISCUSSION. Visible imagery this morning showed interior valley fog was a bit more stubborn to clear out today. Though by late morning, most areas saw at least localized clearing, with the exception being in northern Trinity and northeast Humboldt counties where the valley fog has hung around into the early afternoon hours. Most of the Mendocino coast has been socked in all day and should persist the rest of the day, with only localized clearing possible. Dry conditions will prevail across the region through around midday on Tuesday as a weakening cold front approaches the area. As a result, light rain will spread into Northwest California Tuesday afternoon and evening. Overall totals are expected to be marginal, with the most favorable orographic areas only receiving around a half an inch. High pressure will build back into the region aloft early on Wednesday, bringing dry conditions back to the area as zonal mid-level flow develops. This moist zonal flow will allow for several weak impulses to move through the region, bringing several bouts of mostly light rain through early on Friday. Overall, these weak disturbances should be mostly benign, bringing mostly light winds and generally light rain.

AVIATION. Many parts of northwest California observed clearing skies with the exception of the Mendocino coast and some interior valleys. VFR should prevail for most areas through the evening but some MVFR ceilings will not be out of the question for valleys and parts of the coast late tonight. Meanwhile, an approaching storm system will bring mid to upper cloud cover across northwest California and generally light south winds tonight. Light rain will impact coastal airfields mid to late Tuesday morning and interior locations by the afternoon. Conditions will deteriorate to MVFR, possibly IFR at times, with the arrival of the rain and south- southeasterly winds will increase to near 10kt. KMZ

MARINE. Lower winds and seas will continue across northwest California waters tonight. An approaching frontal boundary will bring fresh southerly winds on Tuesday. Small craft advisories remain in effect for Tuesday with wind gusts approaching 25 kt offshore and steep seas reaching 8 to 11 feet. The weather pattern will remain unsettled through the rest of the week with additional weather systems bringing the potential for rain. This means moderate southerly winds will continue through the rest of the work week before increasing north and west winds return over the weekend. There is significant WNW swell forecast to impact the coastal waters on Thursday and Friday. The sea state will build rapidly on Thursday and Friday around 16 feet at 17 seconds. A hazardous seas warning may be necessary if the forecast remains on track. This swell could create dangerous conditions for mariners traversing the bar. EYS

EKA WATCHES/WARNINGS/ADVISORIES. CA . None. NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory from 9 AM to 9 PM PST Tuesday for PZZ470- 475.



Visit us at https://www.weather.gov/eureka

Follow us on Facebook and Twitter at: https://www.facebook.com/NWSEureka https://www.twitter.com/NWSEureka

For forecast zone information see the forecast zone map online: https://www.weather.gov/images/eka/zonemap.png


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46014 - PT ARENA - 19NM North of Point Arena, CA 29 mi27 min WNW 3.9 G 7.8 52°F 56°F1022.4 hPa51°F
ANVC1 - 9416841 - Arena Cove, CA 50 mi145 min Calm G 5.1 54°F1022 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, CA46 mi71 minSSE 710.00 miFair56°F48°F75%1020.5 hPa

Link to 5 minute data for KUKI

Wind History from UKI (wind in knots)
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Last 24hrW4NW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3NW4N33CalmCalmCalm3SW4SE7
1 day agoS6SE6SE6SE6SE4CalmS4S4SE3CalmS4CalmS4S5CalmN3CalmCalmCalmCalmCalmCalmSW5Calm
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Tide / Current Tables for Westport, California
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Westport
Click for Map
Mon -- 02:20 AM PST     2.16 feet Low Tide
Mon -- 04:40 AM PST     Moonset
Mon -- 07:24 AM PST     Sunrise
Mon -- 08:33 AM PST     5.91 feet High Tide
Mon -- 03:28 PM PST     0.04 feet Low Tide
Mon -- 03:31 PM PST     Moonrise
Mon -- 04:50 PM PST     Sunset
Mon -- 10:11 PM PST     4.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.12.52.22.32.83.64.55.35.85.95.34.331.60.60.10.10.61.42.43.344.34.2

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Mon -- 12:04 AM PST     -0.70 knots Max Ebb
Mon -- 03:27 AM PST     0.00 knots Slack
Mon -- 04:39 AM PST     Moonset
Mon -- 06:20 AM PST     0.80 knots Max Flood
Mon -- 07:23 AM PST     Sunrise
Mon -- 09:15 AM PST     -0.00 knots Slack
Mon -- 12:23 PM PST     -1.28 knots Max Ebb
Mon -- 03:31 PM PST     Moonrise
Mon -- 04:24 PM PST     0.00 knots Slack
Mon -- 04:51 PM PST     Sunset
Mon -- 07:22 PM PST     0.96 knots Max Flood
Mon -- 10:35 PM PST     -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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-0.7-0.6-0.4-0.20.20.60.80.80.50.1-0.4-1-1.3-1.2-1-0.7-0.20.30.70.90.90.70.3-0.2

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 Eureka, CA (19,4,5,8)
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Ground Weather Radar Station Eureka, CA
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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.