Wednesday, February19, 2020
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Marine Weather and Tides
Philo, 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 6:59AMSunset 5:54PM Tuesday February 18, 2020 10:47 PM PST (06:47 UTC) Moonrise 3:46AMMoonset 1:23PM Illumination 20% Phase: Waning Crescent; Moon at 25 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- 905 Pm Pst Tue Feb 18 2020
Tonight..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 3 to 4 ft at 13 seconds and nw 3 to 5 ft at 9 seconds.
Wed..NW winds 5 to 10 kt. Wind waves 1 ft. NW swell 3 to 5 ft at 13 seconds and nw 2 to 3 ft at 9 seconds.
Wed night..NW winds up to 10 kt. Wind waves 1 ft. NW swell 3 to 4 ft at 14 seconds and nw around 2 ft at 8 seconds.
Thu..NW winds around 5 kt. Wind waves 1 ft. NW swell 3 to 4 ft at 14 seconds and nw around 2 ft at 7 seconds.
Thu night..NW winds up to 10 kt. Wind waves 1 ft. W swell 3 to 5 ft at 14 seconds and sw around 2 ft at 15 seconds.
Fri..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 6 to 8 ft at 15 seconds and sw around 2 ft at 15 seconds.
Fri night..NW winds 10 to 15 kt. Wind waves 1 to 2 ft. NW swell 5 to 7 ft at 14 seconds.
Sat..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 6 to 8 ft.
Sun..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 8 to 10 ft.
PZZ500 905 Pm Pst Tue Feb 18 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... A weakening cold front and upper level trough will approach the offshore waters later this week that may result in a few isolated showers. A moderate northwest swell will persist through the week along with a light southerly swell.


7 Day Forecast for Marine Location Near Philo, CA
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location: 39.15, -123.45     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 182200 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 200 PM PST Tue Feb 18 2020

SYNOPSIS. Generally mild and dry conditions are expected across the region through the remainder of the work week. Thereafter, light rain will be possible over the weekend, followed by another period of dry weather early next week.

DISCUSSION. A dry and subsident environment prevails across the region today . and will likely continue through the remainder of the work week as a trough located offshore evolves into a closed low and moves south toward SRN CA. As that takes place, short-term model guidance shows marine stratus increasing in the vicinity of the coast tonight. That stratus may penetrate inland across Humboldt Bay, as well as coastal Mendocino County. Otherwise, high-level cloudiness is forecast to spread across NWRN CA Wednesday evening into Thursday as the previously mentioned trough moves south offshore.

High temperatures will generally be mild through Saturday, particularly over interior Mendocino County. A slight cool down is then expected on Sunday as an upper trough moves onshore across the PAC NW. That feature will aid in light rain over NWRN CA during Sunday, which will then be followed by drier conditions early next week as an upper ridge becomes re-established over the NERN PAC.

JMG

AVIATION. Winds from the north east this morning at KCEC switched to northerly as a warming and drying trend put the coastal terminals in VFR for much of the day. Due to a thermal trough and upper level ridge axis, VFR flight categories are expected through the night at KACV and KCEC. KUKI will experience calm winds and VFR conditions. /EYS/

MARINE. Winds this afternoon around 15 to 20 knots with waves 8 to 10 feet and periods around 14 seconds. As an upper level ridge axis builds, north winds begin to diminish and shortwaves disrupt the pressure gradient. Tonight winds from the NW 5 to 15 knots with waves 6 to 8 feet at 8 seconds. A small craft advisory is in effect through late tonight for outer waters and northern inner waters. Low pressure will approach the area late Wednesday, forming along a weakening cold front offshore. Light winds will persist into Thursday morning as an upper level low moves south of the area. Thursday afternoon northerly winds will pick up as high pressure builds into the area. /EYS/

EKA WATCHES/WARNINGS/ADVISORIES. CA . None. NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until 3 AM PST Wednesday for PZZ450-470-475.



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
ANVC1 - 9416841 - Arena Cove, CA 21 mi53 min ENE 4.1 G 6 44°F 50°F1018.6 hPa
46014 - PT ARENA - 19NM North of Point Arena, CA 28 mi17 min NW 9.7 G 12 50°F 51°F1018.3 hPa47°F

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA13 mi51 minN 010.00 miFair45°F33°F63%1017.5 hPa

Link to 5 minute data for KUKI

Wind History from UKI (wind in knots)
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Last 24hrNW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3CalmN8NW3CalmCalmW3CalmCalm
1 day agoCalmNW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN44S3Calm3NW7N3Calm--CalmW3Calm
2 days agoNW3CalmCalmCalmCalmNE8NE3NE3CalmCalm34NE3NW3N10
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Tide / Current Tables for Albion, California
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Albion
Click for Map
Wed -- 01:46 AM PST     2.95 feet Low Tide
Wed -- 04:42 AM PST     Moonrise
Wed -- 07:02 AM PST     Sunrise
Wed -- 07:37 AM PST     5.99 feet High Tide
Wed -- 02:17 PM PST     Moonset
Wed -- 02:51 PM PST     -0.34 feet Low Tide
Wed -- 05:56 PM PST     Sunset
Wed -- 09:52 PM PST     4.81 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.4333.23.84.65.45.95.95.54.43.11.70.5-0.2-0.3-00.71.72.83.84.64.84.5

Tide / Current Tables for Point Arena, California Current
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Point Arena
Click for Map
Wed -- 12:04 AM PST     -0.54 knots Max Ebb
Wed -- 02:51 AM PST     0.00 knots Slack
Wed -- 04:41 AM PST     Moonrise
Wed -- 05:46 AM PST     0.73 knots Max Flood
Wed -- 07:01 AM PST     Sunrise
Wed -- 08:23 AM PST     -0.00 knots Slack
Wed -- 11:54 AM PST     -1.32 knots Max Ebb
Wed -- 02:18 PM PST     Moonset
Wed -- 03:48 PM PST     0.00 knots Slack
Wed -- 05:56 PM PST     Sunset
Wed -- 07:02 PM PST     1.11 knots Max Flood
Wed -- 10:07 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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-0.5-0.5-0.30.10.40.70.70.60.2-0.4-0.9-1.2-1.3-1.2-1-0.50.10.611.110.60.1-0.4

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 Eureka, CA (1,6,7,8)
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Ground Weather Radar Station Beal AFB, CA
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weather_mapweather_map weather_map

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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 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.