Thursday, October1, 2020
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Marine Weather and Tides
Little River, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:08AMSunset 6:56PM Thursday October 1, 2020 3:43 PM PDT (22:43 UTC) Moonrise 6:20PMMoonset 5:52AM 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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PZZ455 Cape Mendocino To Pt Arena Out 10 Nm- 241 Pm Pdt Thu Oct 1 2020
Tonight..NW winds 10 to 20 kt. Waves nw 5 ft at 7 seconds... And W 8 ft at 15 seconds. Haze.
Fri..NW winds 10 to 20 kt. Waves nw 6 ft at 7 seconds...and W 6 ft at 13 seconds. Haze.
Fri night..NW winds 10 to 20 kt. Waves N 6 ft at 7 seconds... And W 5 ft at 12 seconds.
Sat..NW winds 5 to 15 kt. Waves N 7 ft at 7 seconds...and W 6 ft at 15 seconds.
Sat night..NW winds 10 to 20 kt. Waves N 5 ft at 7 seconds... And W 6 ft at 14 seconds.
Sun..N winds 5 to 15 kt. Waves N 5 ft at 7 seconds...and W 5 ft at 12 seconds.
Mon..NW winds 5 kt. Waves nw 5 ft at 11 seconds...and S 4 ft at 15 seconds.
Tue..SW winds 5 kt. Waves nw 3 ft at 9 seconds...and nw 6 ft at 14 seconds.
PZZ400 241 Pm Pdt Thu Oct 1 2020
Synopsis for northern california waters..Moderate northerly winds and steep seas will prevail today through the weekend, mainly in the southern outer waters. Otherwise, a long- period northwest swell will gradually decay through today, with additional northwest swell trains moving through the waters late in the week.


7 Day Forecast for Marine Location Near Little River, CA
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location: 39.26, -123.75     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 012212 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 312 PM PDT Thu Oct 1 2020

SYNOPSIS. Dry and unseasonably warm conditions are expected to continue this week as strong high pressure aloft persists. Most areas will continue to see smoke impacts but smoke will lessen on Friday. Marine clouds and fog are expected to linger along the immediate coast for the next few days, pushing onshore each night. Inland temperatures are expected to see a gradual cool down heading into the weekend.

DISCUSSION. Main issues continue to be widespread smoke with a very weak wind field to push it away. High pressure aloft persists across the west maintaining stable and weakly forced low levels. Some improvement should begin on Friday as westerlies increase at higher levels and this is confirmed by smoke modeling, currently showing widespread improvement from the coast eastward, although areas near fires will continue to be plagued by localized smoke production. Interior areas will also continue to be on the warm side as subsidence and high heights combine to maintain the higher than normal temperatures. Much of the coast has cleared this afternoon, however low clouds and fog are expected to redevelop and return overnight. Continuing to monitor the extended models as they try to resolve a tap of tropical moisture and how that interacts with an approaching wave of energy next week. At this time a lack of consistency with regard to those solutions prevents any degree of confidence that substantial rain . or at least enough to help with fires and smoke reduction will occur.

AVIATION. Shallow fog along the coast knocked Cigs/Vis down to LIFR/IFR overnight and today. Smoke layers aloft from inland wildfires persisted into afternoon . possibly impacting local flight operations. By 1200 noon, skies had mostly scattered at CEC. However, stratus and low visibilities continued to wobble in and out of ACV in the afternoon, even though ACV's eastern periphery and the approach from the south was CLR-SCT. Mendocino County reported MVFR Cigs due to smoke continuing. This was especially true at UKI where visibilities were also low into IFR. Some accelerated north winds aloft to 2000 feet expected in mostly Southern Mendocino County in the evening through tomorrow morning. Therefore, adding windshear at 25 knots in the UKI TAF. /TA

MARINE. Moderate northerly winds are expected to prevail in the outer waters through the weekend, mainly in the southern outer waters, and gradually ease on Monday. Strong breezes in the southern outer waters are generating steep seas of 6 feet at 8 seconds. For this reason, a Small Craft Advisory is in place for this zone. Otherwise, northerlies will increase in the northern outers waters Saturday afternoon and are likely to warrant an advisory. Northwest swell of 8 feet at 14 seconds peaks late this evening. Another northwest swell is forecast to move through the waters on Saturday.

FIRE WEATHER. A Red Flag Warning remains in effect for portions of Southern Mendocino and Western Lake counties due to increasing north and northwesterlies later today. This band of gusty winds will coincide with an already very dry airmass over the entire region. The strongest winds will occur at elevations above 1500 feet and be most pronounced along the upper slopes and ridges. Winds begin to diminish late Friday morning but relative humidity in that area will remain very dry, with another pulse of northwest winds likely in the afternoon before wind significantly weaken overnight. Additionally, NW winds, a pocket of low RH's, and poor recoveries may bring localized critical fire weather conditions to upper elevation areas of SW Humboldt overnight tonight . have included a headline for this potential. Elsewhere some improvement in RH will occur around areas north of hwy 36 along mid slopes and higher elevations beginning late Friday but interior lower slopes and valleys will remain very warm with sub 20% daytime RH's. Although lower slope and valley winds will continue to be mainly terrain driven . higher elevations will begin to see a slightly stronger northerly and northwesterly direction over the next 48 hours.


EKA WATCHES/WARNINGS/ADVISORIES. CA . Red Flag Warning until 8 PM PDT Friday for CAZ264-276-277.

NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until 3 AM PDT Sunday for PZZ475.



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 12 mi43 min NNW 16 G 18 1014.9 hPa (-1.0)
ANVC1 - 9416841 - Arena Cove, CA 24 mi55 min NW 7 G 14 65°F 53°F1014.8 hPa

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA30 mi47 minN 00.75 miSky Obscured with Haze89°F46°F23%1014 hPa

Link to 5 minute data for KUKI

Wind History from UKI (wind in knots)
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Last 24hrNW9--CalmN7CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoS8S10S5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE33
2 days agoSE4SE4E3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS9

Tide / Current Tables for Albion, California
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Albion
Click for Map
Thu -- 05:24 AM PDT     0.79 feet Low Tide
Thu -- 06:52 AM PDT     Moonset
Thu -- 07:11 AM PDT     Sunrise
Thu -- 11:50 AM PDT     5.36 feet High Tide
Thu -- 02:06 PM PDT     Full Moon
Thu -- 05:49 PM PDT     1.19 feet Low Tide
Thu -- 06:56 PM PDT     Sunset
Thu -- 07:20 PM PDT     Moonrise
Thu -- 11:56 PM PDT     5.19 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.24.53.52.31.30.80.91.52.43.44.45.15.454.13.121.41.21.62.33.34.24.9

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Thu -- 02:52 AM PDT     -1.11 knots Max Ebb
Thu -- 06:33 AM PDT     0.00 knots Slack
Thu -- 06:52 AM PDT     Moonset
Thu -- 07:12 AM PDT     Sunrise
Thu -- 09:28 AM PDT     0.99 knots Max Flood
Thu -- 12:25 PM PDT     -0.00 knots Slack
Thu -- 02:06 PM PDT     Full Moon
Thu -- 03:10 PM PDT     -1.04 knots Max Ebb
Thu -- 06:48 PM PDT     0.00 knots Slack
Thu -- 06:56 PM PDT     Sunset
Thu -- 07:20 PM PDT     Moonrise
Thu -- 09:42 PM PDT     0.96 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0-0.6-1-1.1-1-0.7-0.30.20.7110.70.3-0.3-0.8-1-1-0.8-0.40.10.60.910.8

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
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 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.