Monday, May29, 2017 L-36.com


Marine Weather and Tides
Caspar, CA

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:47AMSunset 8:33PM Monday May 29, 2017 8:01 AM PDT (15:01 UTC) Moonrise 9:05AMMoonset 11:31PM Illumination 17% Phase: Waxing Crescent; Moon at 4 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- 226 Am Pdt Mon May 29 2017
Today..NW winds 10 to 20 kt. Waves nw 6 ft at 5 seconds...and nw 2 ft at 14 seconds. Patchy fog.
Tonight..NW winds 10 to 20 kt. Waves nw 6 ft at 5 seconds... And nw 2 ft at 13 seconds. Patchy fog.
Tue..NW winds 10 to 15 kt. Waves nw 5 ft at 5 seconds...and N 2 ft at 12 seconds. Patchy fog.
Tue night..NW winds 10 to 15 kt. Waves N 3 ft at 5 seconds... And nw 2 ft at 13 seconds.
Wed..NW winds 5 to 10 kt. Waves N 3 ft at 5 seconds...and W 4 ft at 12 seconds.
Thu..NW winds 10 to 15 kt. Waves nw 4 ft at 5 seconds...and W 5 ft at 11 seconds.
Fri..NW winds 10 to 20 kt. Waves nw 6 ft at 5 seconds...and W 4 ft at 11 seconds.
PZZ400 226 Am Pdt Mon May 29 2017
Synopsis for northern california waters..North winds will increase through today as high pressure offshore builds toward the coast. Short period wind waves will build as a result and peak by Mon evening. Northerly winds will ease Tue and Wed as the offshore ridge becomes perturbed by a front.

7 Day Forecast for Marine Location Near Caspar, CA
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location: 39.35, -123.83     debug


Area Discussion for - Eureka, CA
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Fxus66 keka 291000
afdeka
area forecast discussion
national weather service eureka ca
300 am pdt Mon may 29 2017

Synopsis Coastal areas will continue to be under the influence
of a stubborn marine layer with cool cloudy conditions. Interior
areas may see isolated thunderstorms develop over the mountains
Monday afternoon... Followed by cooler and showery conditions for
the remainder of the week.

Discussion A transition of airmasses will begin today
as the upper ridge of high pressure axis moves east of
ca and allows an upper level trough to approach the coast.

The current stubborn marine layer should persist at least one
more day thus another gloomy day is expected for most of the
coastal areas... But some mixing may finally occur on Tuesday. For
interior areas however the approaching trough aloft will provide
a combination of increased low- level moisture and instability,
along with some weak dynamic forcing aloft. This will lead to
increased potential of convection over the interior this
afternoon. Isolated thunderstorms are possible, mainly over
trinity county but given the southeastern steering flow... Any
storms that develop may float westward into eastern humboldt or
del norte counties as well. Even better chances of showers are
expected on Tuesday, but, as mentioned by previous shifts,
instability will be waning during this time frame as cooler air
moves into the area. For now, have continued with just a showery
forecast for Tuesday. A couple of weak surface fronts will
approach the or coast through mid- week, but these will mainly
serve to increase cloudiness across parts of our county warning
area. Heights are expected to build over the W coast by late in
the coming week, with decreasing chances of rain and warmer
temperatures. Maximum temperatures may once again rise into the
90s over portions of the interior by next weekend.

Aviation The marine layer will continue to shrink in depth
today as the upper level system offshore moves across the area.

Greatest change in the last 24 hours will come tonight when the back
edge of this system passes over the coast. Expect coastal sites
will see ifr and MVFR CIGS this morning with CIGS rising though the
day as the upper system approaches. At times patchy drizzle over the
coast this morning will reduce visibility at these sites. ExpectVFR
conditions to continue for inland areas.

Marine North-northwest winds for the most part returned to the
coastal waters today. Northerly winds will be borderline for an
advisory in the waters south of CAPE mendocino today through late
tonight. High resolution models indicate a weak expansion fan
developing downwind of CAPE mendocino by Monday morning. Steep short
period northerly wind waves are expected to build to 5 to 7 ft on
Monday as winds reach 20 to 25 kt. Therefore, a small craft advisory
has been hoisted for the offshore waters south of CAPE mendo.

Eka watches warnings advisories
Ca... None.

Northwest california coastal waters... Small craft advisory until 5 am pdt Tuesday for pzz475.

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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 11 mi42 min NNW 16 G 19 52°F 1017 hPa50°F
ANVC1 - 9416841 - Arena Cove, CA 31 mi44 min WNW 5.1 G 8 51°F 50°F1017.2 hPa

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah, Ukiah Municipal Airport, CA36 mi66 minN 010.00 miFair53°F48°F86%1014.1 hPa

Wind History from UKI (wind in knots)
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Last 24hrNW3NE3CalmCalmCalm34N66NE10
G16
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NW6N6CalmCalmCalmCalmN4CalmCalmCalmCalmCalm
1 day agoNW33Calm333SE5NW8N11NW8N9N7N7N6CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoS8SE9SE8SE8SE9SE8SE11
G18
SE10SE7N6N6N6N4E3CalmNE4N4N4NW4NW4W3NE3CalmN4

Tide / Current Tables for Mendocino, Mendocino Bay, California
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Mendocino
Click for Map
Mon -- 01:47 AM PDT     6.07 feet High Tide
Mon -- 05:51 AM PDT     Sunrise
Mon -- 08:55 AM PDT     -1.49 feet Low Tide
Mon -- 10:05 AM PDT     Moonrise
Mon -- 03:55 PM PDT     4.60 feet High Tide
Mon -- 08:34 PM PDT     Sunset
Mon -- 08:52 PM PDT     2.22 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.25.96.15.64.531.3-0.2-1.2-1.5-1.1-0.11.22.53.74.44.64.33.72.92.42.22.53.1

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Mon -- 02:29 AM PDT     -0.00 knots Slack
Mon -- 05:51 AM PDT     Sunrise
Mon -- 05:51 AM PDT     -1.58 knots Max Ebb
Mon -- 09:48 AM PDT     0.00 knots Slack
Mon -- 10:05 AM PDT     Moonrise
Mon -- 12:53 PM PDT     1.23 knots Max Flood
Mon -- 04:24 PM PDT     -0.00 knots Slack
Mon -- 06:37 PM PDT     -0.75 knots Max Ebb
Mon -- 08:34 PM PDT     Sunset
Mon -- 10:01 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.60.2-0.3-0.9-1.4-1.6-1.4-1-0.50.10.71.11.21.10.80.2-0.3-0.7-0.7-0.6-0.3-00.4

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for Eureka, CA (11,2,3,4)
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Ground Weather Radar Station Eureka, CA
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weather_mapweather_map weather_map

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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.