Friday, March24, 2017 L-36.com


Marine Weather and Tides
Caspar, CA

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:06AMSunset 7:31PM Friday March 24, 2017 5:04 PM PDT (00:04 UTC) Moonrise 4:15AMMoonset 3:05PM Illumination 7% Phase: Waning Crescent; Moon at 27 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- 203 Pm Pdt Fri Mar 24 2017
.small craft advisory in effect until 9 pm pdt this evening...
Tonight..NW winds up to 5 kt. Waves sw 10 ft at 10 seconds... Subsiding to 8 ft overnight. Chance of showers.
Sat..NW winds 5 to 10 kt. Waves W 9 ft at 13 seconds. Slight chance of showers.
Sat night..NW winds 5 to 10 kt. Waves W 9 ft at 14 seconds. Slight chance of rain.
Sun..SE winds 10 to 20 kt. Waves nw 7 ft at 12 seconds.
Sun night..W winds 5 to 10 kt. Waves W 7 ft at 14 seconds.
Mon..NW winds 10 to 20 kt. Waves W 12 ft at 15 seconds.
Tue..NW winds 10 to 20 kt. Waves W 11 ft at 15 seconds.
Wed..NW winds 5 to 15 kt. Waves nw 10 ft at 16 seconds.
PZZ400 203 Pm Pdt Fri Mar 24 2017
Synopsis for northern california waters..Moderately steep seas through this evening. The seas will gradually diminish this evening as the southwesterly swell decays. Seas and winds will remain below advisory criteria through Saturday. Another cold front will increase the winds and seas Sunday and Monday.

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 242221
afdeka
area forecast discussion
national weather service eureka ca
321 pm pdt Fri mar 24 2017

Synopsis The unsettled weather pattern continues with a brief
break through late Saturday. The next storm system is expected in
the Sunday through Monday time frame... While Tuesday morning
looks to be dry, before another wet weather returns Tuesday night.

Discussion Classic post frontal weather being observed across
nw ca this afternoon. Some light showers are being observed just
off the north coast with a mix of sunshine and clouds. The
interior is seeing a mix of clouds and Sun as well with some
scattered showers that are displaying some more intense
characteristics with possible short duration heavy rainfall at
times. This pattern will continue through the evening before
relaxing a bit and drying out. Brief uppre level ridging will
build across the region for Saturday afternoon/evening, persisting
into Sunday morning. However, later on Sunday another storm
system passing by to our north will send its trailing cold front
through the region accompanied by gusty coastal winds will develop
ahead of it, with widespread rainfall developing along and behind
it. Another transient (brief) ridge of high pressure looks to
take up temporary residence for Monday evening into Tuesday
morning, before another system brings more light rainfall. As for
snow levels and temperatures, some higher elevation snowfall is
likely through Monday, with snow levels generally in the ~4000 to
5000 feet range. Much warmer air aloft will advect into the
northwestern california by the middle of the week, with snow
levels climbing well above 6000 feet. Temperature wise, afternoon
highs will mainly be near seasonal values, with lows close to
average for most of the forecast period. The one exception to this
will be when we're between systems, where decreased cloud cover
and light winds could allow morning temperatures to drop a few
more degrees. /pd/jt

Aviation Conditions have returned toVFR across all terminals as
rain showers pushed east of the area. Winds this afternoon are
generally less than 10 kt. Do expectVFR conditions to continue
through tonight. There will be enough sky cover in northern
terminals of crescent city and arcata. However, for ukiah there may
be enough breaks in the sky cover that some low clouds and fog can
form and potentially lower the flight category during the late
night hours. /rcl

Marine Subsiding seas through this evening. Winds and seas remain
low through Saturday. Another weather front will lead to elevated
winds and seas from Sunday through Monday.

The weather front has pushed through the area this morning. Winds
have diminished to around 10 to 15 kt with occasional higher gusts.

Do expect the winds continue to remain fairly light this evening. We
were still dealing with some pretty healthy westerly swell during
the day today. The combined seas were up to 10 to 11 ft with wave
periods of 9 to 10 seconds. The swell will slowly decay through this
evening. Do expect the combined seas to drop to around 8 to 10 ft
through the overnight hours. Therefore, extend the pre-existent
small craft advisory through this evening.

Saturday will be a day of relatively low seas and winds day. The
next system to impact the area will be on Sunday. Right now, have
south winds in the small craft advisory level, with gale force wind
gusts possible. After that, high pressure will take control over the
area, and this will bring in generally light northwesterly winds
with westerly swell.

Changes to the previous forecast package is fairly minor. Used
ecmwf/gfs in refreshing the forecast package.

Eka watches/warnings/advisories
Ca... None.

Northwest california coastal waters... Small craft advisory until 9 pm pdt this evening 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 11 mi34 min S 5.8 G 7.8 55°F 1020.9 hPa51°F
ANVC1 - 9416841 - Arena Cove, CA 31 mi46 min SW 4.1 G 5.1 54°F 54°F1021.5 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 mi68 minSE 410.00 miOvercast57°F48°F72%1019.7 hPa

Wind History from UKI (wind in knots)
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Last 24hrSW14SW11SW5E3CalmSE3CalmSE5CalmS3SE7SE6SE5S9
G16
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S9SE5S5SE6S43SE4
1 day agoW11
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NW8N6NE3N5E3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm363SE6S8
2 days agoSE4S5E5CalmSE3S3S5SE3SW3CalmCalmNW3N3W3Calm334355Calm----

Tide / Current Tables for Mendocino, Mendocino Bay, California
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Mendocino
Click for Map
Fri -- 03:01 AM PDT     2.32 feet Low Tide
Fri -- 05:14 AM PDT     Moonrise
Fri -- 07:11 AM PDT     Sunrise
Fri -- 08:58 AM PDT     5.25 feet High Tide
Fri -- 03:44 PM PDT     0.15 feet Low Tide
Fri -- 04:05 PM PDT     Moonset
Fri -- 07:31 PM PDT     Sunset
Fri -- 10:23 PM PDT     4.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.632.52.32.533.74.555.354.33.2210.30.20.61.42.43.54.34.74.6

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Fri -- 12:39 AM PDT     -0.75 knots Max Ebb
Fri -- 04:11 AM PDT     0.00 knots Slack
Fri -- 05:14 AM PDT     Moonrise
Fri -- 06:57 AM PDT     0.78 knots Max Flood
Fri -- 07:11 AM PDT     Sunrise
Fri -- 09:48 AM PDT     -0.00 knots Slack
Fri -- 12:50 PM PDT     -1.23 knots Max Ebb
Fri -- 04:05 PM PDT     Moonset
Fri -- 04:42 PM PDT     0.00 knots Slack
Fri -- 07:31 PM PDT     Sunset
Fri -- 07:43 PM PDT     1.06 knots Max Flood
Fri -- 10:51 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.7-0.7-0.6-0.4-0.10.30.70.80.70.4-0.1-0.7-1.1-1.2-1.1-0.8-0.40.20.7110.90.5-0.1

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 (20,4,5,8)
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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.