Thursday, October17, 2019 L-36.com


Marine Weather and Tides
Little River, 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 7:23AMSunset 6:33PM Thursday October 17, 2019 11:26 AM PDT (18:26 UTC) Moonrise 8:10PMMoonset 10:03AM Illumination 83% Phase: Waning Gibbous; Moon at 19 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- 858 Am Pdt Thu Oct 17 2019
.small craft advisory in effect through Saturday morning...
Today..NW winds 5 to 10 kt. Waves nw building to 13 ft at 13 seconds...and sw 2 ft at 15 seconds. A slight chance of showers.
Tonight..E winds 5 kt. Waves nw 15 ft at 15 seconds...and sw 2 ft at 15 seconds. A chance of showers.
Fri..N winds 5 to 10 kt. Waves nw 14 ft at 14 seconds...and sw 2 ft at 14 seconds.
Fri night..W winds 5 to 10 kt. Waves nw 13 ft at 14 seconds.
Sat..NW winds 5 to 15 kt. Waves nw 11 ft at 12 seconds.
Sun..N winds 5 to 15 kt. Waves nw 9 ft at 10 seconds.
Mon..N winds 10 to 20 kt. Waves nw 9 ft at 9 seconds.
PZZ400 858 Am Pdt Thu Oct 17 2019
Synopsis for northern california waters..Light S winds will persist today north of cape mendocino, with light nw winds south of the cape. A large nw swell will continue to build through this evening.


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 171247
afdeka
area forecast discussion
national weather service eureka ca
547 am pdt Thu oct 17 2019

Synopsis Occasional showers are expected through tonight,
mainly north of CAPE mendocino. More rain will occur Friday night
through Saturday morning. Warmer and drier weather is expected
for the first half of next week.

Discussion Cooler air aloft along with a couple of shortwave
troughs will generate occasional showers across the forecast area
today through tonight. Most of the showers will occur north of
cape mendocino, primarily this afternoon and again tonight.

Convection should wind down on Friday, through isolated showers
may persist early in the morning. A stronger, colder and wetter
shortwave trough will dig southward offshore the pacific nw
Friday night and then SE across NW california on Saturday. This
next frontal system will bring another round of widespread rain,
with snow levels eventually dipping down to 5500-6000 feet by
Saturday evening. Once again, the highest rain amounts will occur
in the northern most part of the forecast area, del norte and
humboldt counties, where a quarter to half an inch is expected.

A warm front will clip the area on Sunday and some light rain
will be possible, primarily for del norte county and far northern
humboldt and trinity counties.

Warmer and drier weather is expected early to mid next week
as a broad ridge builds over the NE pacific.

Aviation Conditions have largely improved overnight in the wake
of the front, with ceilings fluctuating betweenVFR and MVFR across
most of the area as the rain moves off to the east. The combination
of antecedent low level moisture from last night's rainfall and
partially clearing skies behind the front has lead to patchy ground
fog formation at some locations including acv early this morning.

This may produce a few periods of ifr lifr conditions at the coastal
terminals through mid morning. Otherwise, a showery regime will
yield a continuation of mainlyVFR MVFR CIGS across the area through
the end of the TAF period. Cb

Marine A large NW swell will remain as the dominant feature
impacting the coastal waters for the next couple of days as it
builds today and tonight, peaking this evening around 16 to 18 feet
at 16 seconds. The swell will then gradually decay from Friday into
Saturday, but will still remain large enough to support small craft
advisory conditions across all coastal zones through Saturday
morning.

Winds will generally remain light in the wake of yesterday's front,
with southerly breezes north of CAPE mendocino and west to northwest
breezes south of the cape. A couple brief periods of slightly
stronger southerlies will occur across the northern zones as the
next in the series of fronts move through the waters tonight and
again late Friday into early Saturday. Cb

Beach hazards A large NW swell will continue to build through
tonight, leading to larger breaking waves on NW ca beaches, possibly
reaching around 20 ft on W to NW facing beaches. This will lead to
increased wave run-up on beaches with waves topping large rocks and
jetties. These large waves can be erratic and unpredictable, and
with sand bar profiles still more typical of summer, locally larger
waves may result. Beaches with a steeper slope may be particularly
dangerous. Beachgoers are urged to use extra caution near the surf
zone as these large waves will be capable of sweeping people into
the cold and turbulent ocean water. Have issued a beach hazard
statement addressing the higher surf and potential for sneaker
waves. We will continue to monitor surf conditions for a possible
high surf advisory, but, for now, surf heights are expected to
remain a foot or two below criteria. Tdj&sec

Eka watches warnings advisories
Ca... Beach hazards statement from 9 am pdt this morning through
Friday morning for caz101-103-104-109.

Northwest california coastal waters...

small craft advisory until noon pdt Saturday for pzz450-455-470-
475.

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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 mi26 min Calm G 1.9 59°F 58°F1016.5 hPa (+2.2)57°F
ANVC1 - 9416841 - Arena Cove, CA 24 mi56 min WNW 4.1 G 6

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA30 mi90 minN 010.00 miFair58°F45°F62%1015.8 hPa

Link to 5 minute data for KUKI

Wind History from UKI (wind in knots)
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Last 24hrCalmCalmSE3W7W7NW3CalmN3N3N3N4NW4CalmNW6NW8NW9NW10N3CalmSW3CalmCalmCalm5
1 day agoCalmE4S10S7SE10SE10S6N6N5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalm33NW7NE5S4NW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Albion, California
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Albion
Click for Map
Thu -- 02:22 AM PDT     4.42 feet High Tide
Thu -- 07:25 AM PDT     2.52 feet Low Tide
Thu -- 07:26 AM PDT     Sunrise
Thu -- 11:03 AM PDT     Moonset
Thu -- 01:28 PM PDT     5.53 feet High Tide
Thu -- 06:33 PM PDT     Sunset
Thu -- 08:16 PM PDT     0.14 feet Low Tide
Thu -- 09:10 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.344.44.443.42.92.62.633.74.45.15.55.5542.71.50.60.20.30.81.6

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Thu -- 03:05 AM PDT     -0.00 knots Slack
Thu -- 05:29 AM PDT     -0.76 knots Max Ebb
Thu -- 07:27 AM PDT     Sunrise
Thu -- 08:29 AM PDT     0.00 knots Slack
Thu -- 11:03 AM PDT     Moonset
Thu -- 11:31 AM PDT     0.69 knots Max Flood
Thu -- 02:11 PM PDT     -0.00 knots Slack
Thu -- 05:42 PM PDT     -1.27 knots Max Ebb
Thu -- 06:33 PM PDT     Sunset
Thu -- 09:10 PM PDT     Moonrise
Thu -- 09:23 PM PDT     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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0.90.80.50-0.4-0.7-0.7-0.5-0.10.10.40.70.70.40.1-0.3-0.8-1.2-1.3-1-0.6-0.20.30.7

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.
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Wind Forecast for Eureka, CA (14,3,4,5)
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Ground Weather Radar Station Eureka, CA
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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.