Friday, March24, 2017 L-36.com


Marine Weather and Tides
Cloverdale, 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 7:04AMSunset 7:29PM Friday March 24, 2017 6:45 PM PDT (01:45 UTC) Moonrise 4:10AMMoonset 3:02PM 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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PZZ540 Point Arena To Point Reyes To 10 Nm- 213 Pm Pdt Fri Mar 24 2017
Tonight..N winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 8 ft at 10 seconds. Chance of showers in the evening, then slight chance of showers after midnight.
Sat..NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 8 to 9 ft at 13 seconds.
Sat night..NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 7 to 9 ft at 14 seconds.
Sun..S winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 5 to 7 ft at 13 seconds. Showers likely.
Sun night..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 6 to 7 ft at 12 seconds. Showers.
Mon..NW winds 15 to 25 kt. Wind waves 4 to 6 ft. W swell 8 to 10 ft. Slight chance of showers.
Tue..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 9 to 12 ft.
Wed..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 9 to 10 ft.
PZZ500 213 Pm Pdt Fri Mar 24 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Winds will return to northwest and continue to ease this evening in the wake of the frontal boundary that moved through the coastal waters earlier today. Southerly winds are forecast to return Sunday as the next system approaches. Fresh short period swells will make for choppy conditions over the coastal waters through the weekend.

7 Day Forecast for Marine Location Near Cloverdale, CA
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location: 38.77, -122.99     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 242158
afdsto
area forecast discussion
national weather service sacramento ca
258 pm pdt Fri mar 24 2017

Synopsis
Storm systems are expected today, Sunday into Monday, with
possibly a third system toward the middle of next week.

Discussion
A closed upper low is currently situated off the british columbia
coast, with associated frontal system now pushing into northern
california. Light to locally moderate precipitation is moving
through the region, with reports of snow levels down to ~2500
feet along interstate 5, and 4000-5000 feet along the sierra.

The band of heaviest precipitation has pushed eastward into the
sierra, though periods of showers are likely to continue across
the region tonight. Short range models are also hinting at the
shasta county convergence line of thunderstorms forming for a few
hours this evening as well.

Currently expect snow totals of up to a foot across much of the
sierra, and orographically favored regions up to 18 inches. Given
the usually higher traffic across the mountains on Friday,
lengthy traffic delays are likely across the sierra.

A few showers may linger across the region on Saturday, but much
of the region is expected to remain dry. A fast moving shortwave
ridge passes through the region Saturday night.

The next storm system then arrives on Sunday. That system looks to
be a bit weaker than the current one, with mainly light
precipitation across the valley, and light to moderate totals over
the sierra. Given the timing of the system, and heavy mountain
traffic on Sundays, another period of lengthy traffic delays will
be possible across the sierra.

Dang
.Extended discussion (Tuesday through Friday)
dry weather returns Tuesday as ridging briefly builds in over
norcal. Some breezy northerly winds possible with warming
temperatures. Models have come into better agreement with next
system for mid-week. 12z runs show more of an inside slider system
will main low dropping SE from pac NW into the four corners
region by late Thursday. This lends confidence toward a drier
forecast for most of the area with a chance for showers mainly
across the northern mountains and the sierra. QPF amounts don't
look overly impressive with snow levels near pass levels. Pattern
would also bring breezy to windy northerly winds across the area
depending on the exact track of the low.

Ceo

Aviation
Storm system continues to shift east across the area this
afternoon. MVFR toVFR conditions for TAF sites. Precip will
taper off through the evening hours with improving flight
conditions. Winds gradually decreasing through the afternoon hours
and will be under 10 kts tonight and Saturday.

Sto watches/warnings/advisories
Winter storm warning until 5 am pdt Saturday for west slope
northern sierra nevada-western plumas county/lassen park.

Winter storm warning until 5 am pdt Saturday for shasta lake
area / northern shasta county.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANVC1 - 9416841 - Arena Cove, CA 40 mi46 min SSW 4.1 G 6 55°F 54°F1021.8 hPa (+0.6)
46013 - Bodega Bay - 48NM North Northwest of San Francisco, CA 40 mi36 min S 1.9 G 5.8 55°F 55°F1021.3 hPa51°F

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Rosa, Santa Rosa Sonoma County Airport, CA20 mi53 minSW 610.00 miOvercast58°F50°F75%1019.5 hPa

Wind History from STS (wind in knots)
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Last 24hrCalmSE3SE4E4SE3E3CalmCalmSE7SE8SE8SE14SE10SE14
G22
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G23
S8SE11S7S10S6S6CalmW4SW6
1 day agoW11W6W5NW8NW9W6SW3SW3SE4SE3CalmCalmCalmNW3CalmCalm33S4S6S12S11SW10S8
2 days agoS12
G21
6S5SE4SE5S4CalmCalmCalmCalmS4SW4N4SW4W4NW4NW7NW5CalmN9N10N8NW7W10

Tide / Current Tables for Fort Ross, California
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Fort Ross
Click for Map
Fri -- 03:06 AM PDT     2.20 feet Low Tide
Fri -- 05:10 AM PDT     Moonrise
Fri -- 07:09 AM PDT     Sunrise
Fri -- 08:40 AM PDT     5.13 feet High Tide
Fri -- 03:28 PM PDT     0.11 feet Low Tide
Fri -- 04:03 PM PDT     Moonset
Fri -- 07:29 PM PDT     Sunset
Fri -- 10:05 PM PDT     4.75 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.52.92.42.22.42.93.74.555.14.73.82.71.60.60.20.20.71.62.63.64.44.74.6

Tide / Current Tables for Salt Point, California Current
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Salt Point
Click for Map
Fri -- 12:57 AM PDT     -0.75 knots Max Ebb
Fri -- 04:29 AM PDT     0.00 knots Slack
Fri -- 05:11 AM PDT     Moonrise
Fri -- 07:10 AM PDT     Sunrise
Fri -- 07:15 AM PDT     0.78 knots Max Flood
Fri -- 10:06 AM PDT     -0.00 knots Slack
Fri -- 01:08 PM PDT     -1.23 knots Max Ebb
Fri -- 04:04 PM PDT     Moonset
Fri -- 05:00 PM PDT     0.00 knots Slack
Fri -- 07:29 PM PDT     Sunset
Fri -- 08:01 PM PDT     1.06 knots Max Flood
Fri -- 11:09 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.6-0.7-0.7-0.5-0.20.20.60.80.70.50.1-0.5-1-1.2-1.1-0.9-0.5-00.50.91.110.60.1

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 Sacramento, CA (21,6,7,8)
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Ground Weather Radar Station Sacramento, 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.