Monday, August19, 2019 L-36.com


Marine Weather and Tides
Manchester, CA

Version 3.4
NOTICE
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 6:28AMSunset 8:04PM Monday August 19, 2019 9:39 AM PDT (16:39 UTC) Moonrise 9:31PMMoonset 9:17AM 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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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 812 Am Pdt Mon Aug 19 2019
Today..W winds 5 to 10 kt. Wind waves 1 ft. W swell around 2 ft at 15 seconds.
Tonight..NW winds 10 to 15 kt. Wind waves 1 to 2 ft. W swell around 2 ft at 15 seconds.
Tue..NW winds 15 to 20 kt. Wind waves 2 to 3 ft. NW swell 3 to 5 ft at 10 seconds.
Tue night..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 2 to 4 ft at 10 seconds. Patchy fog.
Wed..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 4 to 5 ft at 13 seconds. Patchy fog.
Wed night..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. W swell 5 to 7 ft at 12 seconds. Patchy fog.
Thu..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 6 to 8 ft and sw around 2 ft. Patchy fog.
Fri..NW winds 5 to 10 kt. Wind waves 1 ft. W swell 6 to 8 ft and sw around 2 ft. Patchy fog.
PZZ500 812 Am Pdt Mon Aug 19 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Generally light winds today and tonight across the coastal waters as high pressure off the california coast weakens and a surface low develops offshore of the pacific northwest. Locally gusty winds are expected later today and into tomorrow over the inner coastal waters south of point sur. Mixed seas will continue with shorter period northwest waves at around 8 to 10 seconds, a light longer period west swell, and a light southerly swell.


7 Day Forecast for Marine Location Near Manchester, CA
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location: 38.95, -123.73     debug


Area Discussion for - Eureka, CA
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Fxus66 keka 191102
afdeka
area forecast discussion
national weather service eureka ca
402 am pdt Mon aug 19 2019

Synopsis Seasonable temperatures will occur across the
interior through mid week. In addition, light showers will be
possible during Wednesday over del norte county. After Wednesday,
temperatures are forecast to warm across the interior.

Discussion A weak trough located in the vicinity of the NRN ca
coast will aid in maintaining seasonable temperatures across
interior portions of the eka CWA today and tomorrow. Stratus will
also be a common feature along the coast, with patchy drizzle
possible Monday night as the marine layer deepens.

Otherwise, multi-model guidance shows a progressive upper-level
trough moving east across the nern pac and pac NW during
Wednesday. As that occurs, a surface cold front will advance
south-southeastward toward nwrn ca, with rich moisture (pwat
values from 1.5-2.0 inches) focused along the front. Ascent with
the front will yield a deeply saturated layer favorable for light
rain during Wednesday afternoon over del norte county.

After Wednesday, quasi-zonal mid upper-level flow is forecast to
develop across the region, while boundary layer winds return to
north-northeasterly. That pattern will support moderating
temperatures across the interior and near-zero rain chances.

Aviation Marine clouds evident all along the mendocino and del
norte coast but not along the humboldt coast. As of 0300 acv
remains under clear skies and fog free. The low clouds are moving
southward under light northerly flow but it should be at least a
few more hours before they reach humboldt bay..If at all. Forecast
models have humboldt bay under mfvr conditions through at least
late morning but that is looking iffy now. Either wayVFR
conditions are still likely in the afternoon. Elsewhere some low
clouds are showing up along the eel river area but other inland
and interior areas are remaining cloud free.

Marine A lighter wind regime and calmer seas will persist
through Wednesday before northerlies start to pick back up toward
Thursday. Stronger northerlies but sub-gale will persist through
the end of the week and into the weekend. A couple of small mid-
period swells will also move through the waters from the northwest
over the next few days.

Eka watches warnings advisories
Ca... None.

Northwest california coastal waters... None.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANVC1 - 9416841 - Arena Cove, CA 3 mi52 min Calm G 1.9 56°F 54°F1014.9 hPa
46014 - PT ARENA - 19NM North of Point Arena, CA 23 mi40 min SSE 1.9 G 3.9 56°F 54°F1014.5 hPa (+1.0)

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA31 mi1.7 hrsSSE 410.00 miPartly Cloudy57°F54°F90%1013.4 hPa

Link to 5 minute data for KUKI

Wind History from UKI (wind in knots)
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SE105SW7NE7NE5--------S5----S4S6Calm--S3--SE4
1 day ago3SE6SE6S8SE10SE10S10SE11SE8S9S6S4S4S8S5--S6S5S7S6--S4S6S6
2 days agoCalmN4E3SE45
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Tide / Current Tables for Point Arena, California
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Point Arena
Click for Map
Mon -- 01:28 AM PDT     5.07 feet High Tide
Mon -- 06:31 AM PDT     Sunrise
Mon -- 08:02 AM PDT     0.83 feet Low Tide
Mon -- 10:16 AM PDT     Moonset
Mon -- 02:30 PM PDT     5.09 feet High Tide
Mon -- 08:04 PM PDT     Sunset
Mon -- 08:31 PM PDT     2.11 feet Low Tide
Mon -- 10:30 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.6554.63.72.71.81.10.81.11.82.73.74.5554.643.22.52.22.22.53.1

Tide / Current Tables for Point Arena, California Current
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Point Arena
Click for Map
Mon -- 02:42 AM PDT     -0.00 knots Slack
Mon -- 05:43 AM PDT     -1.12 knots Max Ebb
Mon -- 06:32 AM PDT     Sunrise
Mon -- 09:17 AM PDT     0.00 knots Slack
Mon -- 10:16 AM PDT     Moonset
Mon -- 12:15 PM PDT     0.90 knots Max Flood
Mon -- 03:28 PM PDT     -0.00 knots Slack
Mon -- 06:10 PM PDT     -0.94 knots Max Ebb
Mon -- 08:04 PM PDT     Sunset
Mon -- 09:39 PM PDT     0.00 knots Slack
Mon -- 10:30 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.60.3-0.1-0.6-1-1.1-0.9-0.5-0.10.30.70.90.80.60.2-0.3-0.7-0.9-0.8-0.5-0.20.10.5

Weather Map and Satellite Images
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wmap_P
GOES 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 (12,3,4,5)
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Ground Weather Radar Station Sacramento, 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.