Monday, January27, 2020
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Marine Weather and Tides
Ukiah, 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 7:22AMSunset 5:28PM Monday January 27, 2020 7:50 PM PST (03:50 UTC) Moonrise 9:18AMMoonset 8:19PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 244 Pm Pst Mon Jan 27 2020
.small craft advisory in effect through late Tuesday night...
Tonight..S winds up to 10 kt. Wind waves 1 ft. W swell 9 to 11 ft at 15 seconds. A chance of showers this evening. Showers likely after midnight.
Tue..SW winds 5 to 10 kt. Wind waves 1 ft. W swell 9 to 11 ft at 15 seconds. Showers likely.
Tue night..NW winds 10 to 15 kt. Wind waves 1 to 2 ft. W swell 9 to 11 ft at 14 seconds.
Wed..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 9 to 11 ft at 14 seconds.
Wed night..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 7 to 9 ft at 13 seconds.
Thu..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 5 to 6 ft. W swell 7 to 8 ft at 13 seconds and W 5 to 7 ft at 21 seconds.
Thu night..NW winds 10 to 15 kt. Wind waves 1 to 2 ft. W swell 11 to 13 ft at 18 seconds.
Fri..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 8 to 10 ft.
Sat..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 6 to 8 ft.
PZZ500 244 Pm Pst Mon Jan 27 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light to moderate winds will prevail over most of the coastal waters through Tuesday. Locally stronger winds will occur south of point sur along the coast. Northerly winds will develop and increase over all the coastal waters Tuesday night into Wednesday. The increasing winds will result in steeper wind waves. Moderate northwest swell of 10 feet or more will bring hazardous conditions for small craft over most of the coastal waters. Another long period northwest swell will arrive later this week.


7 Day Forecast for Marine Location Near Ukiah, CA
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location: 39.15, -123.21     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 272241 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 241 PM PST Mon Jan 27 2020

SYNOPSIS. Widespread rain is forecast to spread across northwest California tonight, with light showers lingering through Tuesday afternoon. Light rain will continue to be possible Wednesday and Thursday over Del Norte County, followed by drier and warmer conditions developing Friday and Saturday over the entire region.

DISCUSSION. Moist deep-layer onshore flow was occurring across the region Monday afternoon, and was aiding in very light precipitation development . mainly north of Eureka. Rainfall rates are forecast to increase tonight as an upper trough and associated surface frontal boundary approach the PAC NW. Rainfall intensity will peak near midnight over Del Norte and Humboldt Counties, with lighter rainfall spreading across Trinity and Mendocino Counties by 4 AM PST. Rainfall across the entire area will diminish during the remainder of Tuesday morning as the previously mentioned upper trough exits east inland.

Large-scale subsidence will generally prevail on Wednesday as heights build aloft. However, model guidance indicates light showers could spread/develop southeast of a shortwave midlevel ridge . particularly over the northern half of the EKA CWA. Similar conditions are forecast to occur on Thursday. Thereafter, heights are forecast to build strongly aloft on Friday which will lead to dry conditions across the region as well as warm high temperatures . with 60s to low 70s possible across interior valleys (especially in Mendocino County). Another day of warm/dry conditions is expected on Saturday, followed by the passage of a strong cold front on Sunday. Significantly colder temperatures will be likely behind the front by the start of the next work week.

JMG

AVIATION. Intermittent rain continued across much of the region Monday afternoon with widespread IFR conditions having been reported in the morning . especially at CEC and fog ladened valleys such as UKI. Other areas generally remained MVFR-VFR. Gusty surface winds also continued along the Del Norte Coast impacting CEC's airport. Rain will briefly taper before another weather system begins impacting the region again tonight . with more bouts of rain and lowering Cigs and Vis. Winds will remain gusty in the far North Coast and should pick up at ACV by mid- evening. Model guidance indicated higher probabilities for LLWS to precede the front overnight at the coast. Therefore, will continue LLWS forecast until around 12z at this time. /TA

MARINE. Southerly winds will increase this evening ahead of an approaching storm system. The strongest winds with both systems look to be confined near and N of Cape Mendocino with peak wind speeds occurring around midnight tonight. Large W swell will continue through the work week, with heights fluctuating a bit. This swell, along with higher short period seas over the N waters, will necessitate the continuation of the Small Craft Advisory through midday Wednesday. Lighter winds and lower swell heights are anticipated for late week and into the first half of the weekend. /SEC

EKA WATCHES/WARNINGS/ADVISORIES. CA . None. NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until noon PST Wednesday for PZZ450-455-470- 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 31 mi50 min E 2.9 G 4.1 52°F 54°F1028.3 hPa (-0.5)
46014 - PT ARENA - 19NM North of Point Arena, CA 41 mi30 min SSE 9.7 G 14 53°F 53°F1027.9 hPa53°F

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA1 mi1.9 hrsN 010.00 miPartly Cloudy52°F48°F86%1027.3 hPa

Link to 5 minute data for KUKI

Wind History from UKI (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW4CalmCalmS6N4NW4--CalmCalm
1 day agoS3S4CalmCalmS3S3S4CalmS5CalmCalmCalmNW3SE3NW4NW8NW9
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2 days agoCalmCalmCalmCalmCalmCalmNW3CalmCalmS3S3SE4CalmCalmS4S4S3S6S7S8S4S5S4Calm

Tide / Current Tables for Albion, California
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Albion
Click for Map
Mon -- 01:18 AM PST     4.94 feet High Tide
Mon -- 06:25 AM PST     2.73 feet Low Tide
Mon -- 07:26 AM PST     Sunrise
Mon -- 09:19 AM PST     Moonrise
Mon -- 12:03 PM PST     5.58 feet High Tide
Mon -- 05:29 PM PST     Sunset
Mon -- 06:52 PM PST     -0.02 feet Low Tide
Mon -- 08:21 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.54.94.84.43.73.12.82.83.23.94.75.35.65.44.63.42.10.90.2-00.31.12.13.2

Tide / Current Tables for Arena Cove, California (2)
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Arena Cove
Click for Map
Mon -- 01:09 AM PST     5.04 feet High Tide
Mon -- 06:27 AM PST     2.84 feet Low Tide
Mon -- 07:25 AM PST     Sunrise
Mon -- 09:19 AM PST     Moonrise
Mon -- 11:54 AM PST     5.68 feet High Tide
Mon -- 05:29 PM PST     Sunset
Mon -- 06:54 PM PST     -0.02 feet Low Tide
Mon -- 08:22 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.754.94.43.83.22.92.93.34.14.85.55.75.44.63.42.10.90.2-00.31.22.23.4

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 (22,6,7,8)
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Ground Weather Radar Station Beal AFB, 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 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.