Friday, August29, 2014 L-36.com


Marine Weather and Tides
Dillon Beach, CA

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What's New / NOTES
6/17/2014 - I reported slow load times to NOAA and they quickly resolved the problem. Sorry for any inconvience. NOAA had some stuck processes on two servers. This was a problem on 5 to 10% of the requests.
6/10/2014 - Marine Zones updated. Some zones have changed. Edit your Marine Forecast section to check.

Sunrise 6:37AMSunset 7:45PM Friday August 29, 2014 5:11 AM PDT (12:11 UTC) Moonrise 9:30AMMoonset 8:50PM Illumination 16% 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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PZZ540 Point Arena To Point Reyes To 10 Nm- 302 Am Pdt Fri Aug 29 2014
.small craft advisory in effect from noon pdt today through Saturday evening...
Today..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. Mixed swell nw 2 to 4 ft at 8 seconds and S 3 to 4 ft at 13 seconds. Patchy fog in the morning.
Tonight..NW winds 15 to 25 kt. Wind waves 3 to 6 ft. Mixed swell nw 3 to 5 ft at 8 seconds and S 3 ft at 12 seconds. Patchy fog after midnight.
Sat..NW winds 15 to 25 kt. Wind waves 4 to 7 ft. NW swell 4 to 6 ft at 8 seconds. Patchy fog in the morning.
Sat night..NW winds 20 to 30 kt. Wind waves 4 to 7 ft. NW swell 5 to 7 ft at 8 seconds and sw 3 ft at 18 seconds. Patchy fog after midnight.
Sun..NW winds 20 to 30 kt. Wind waves 4 to 7 ft. NW swell 5 to 7 ft at 8 seconds and sw 3 ft at 18 seconds. Patchy fog in the morning. Patchy fog after midnight.
Labor day..NW winds 15 to 25 kt. Wind waves 3 to 6 ft. NW swell 5 to 7 ft and sw 3 ft. Patchy fog.
Tue..SW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 5 to 7 ft and sw 3 ft. Patchy fog.
PZZ500 302 Am Pdt Fri Aug 29 2014
Synopsis for the central california coast and bays including Monterey bay national marine sanctuaries.. High pressure will build off the northern california coast resulting in increasing northwest winds that will last through early next week. Southerly swell from hurricane marie will gradually subside through the end of the week.

7 Day Forecast for Marine Location Near Dillon Beach, CA
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location: 38.25, -122.98     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 291000
afdmtr
area forecast discussion
national weather service san francisco bay area
300 am pdt Fri aug 29 2014

Synopsis Normal to slightly above normal temperatures and dry
weather will persist through the holiday weekend.

Discussion As of 3:00 am pdt Friday... Low clouds with patchy
fog across most of our coastal areas plus adjacent valleys this
morning. In addition, satellite loop this morning shows that
former hurricane marie continues to become less and less organized
although high clouds are moving out in advance and toward our cwa.

This more moist air will lead to higher humidity readings today
and even a bit of mugginess across our area. Highs should be close
to where we were yesterday, although the layer of clouds could
keep a some areas a few degrees cooler. Highs will still be
generally in the 60s to mid 70s at the coast with mid 70s to upper
80s inland.

Synoptically, a longwave trof will move down from canada Friday
night into Saturday leading to slightly stronger winds for higher
elevation spots in the north and east bay plus a little cooling on
Saturday for far inland areas. A dry NW flow will set up across
our area as the longwave progresses to the east and a ridge tries
to build into the pacific.

The pattern should hold until the second half of next week. At
that time another longwave trof will stretch from northern
california into the prairie provinces. Slightly cooler air will
once again filter across our region -- especially for inland
locations.

Right now, no chance of rain through at least next Thursday.

Aviation As of 10:37 pm pdt Thursday... Coastal low clouds
are pushing into coastal valleys and expected to reach all
terminals overnight. Clearing is anticipated around 17z Friday
morning. West winds will continue to ease overnight becoming light
and locally variable across all terminals.

Vicinity of ksfo... Ifr CIGS expected to return after 08z tonight.

Clearing is expected around 17z-18z Friday morning. Light west winds
expected through the night.

Ksfo bridge approach... Ifr CIGS affecting the approach after 10z
Friday morning. The approach will scatter out around 18z Friday.

Monterey bay area terminals... Lifr CIGS expected to persist
through the night. Clearing is expected around 17z Friday morning.

Light and variable winds will continue through the night.

Marine As of 9:00 pm pdt Thursday... High pressure will build
off the northern california coast on Friday resulting in
increasing northwest winds that will last through the weekend.

Southerly swell from former hurricane marie will gradually subside
through the end of the week.

Mtr watches/warnings/advisories
Tday Sca... Pt arena to pt reyes 10-60 nm from 9 am
sca... Pt arena to pt reyes 0-10 nm from noon
sca... Pt pinos to pt piedras blancas 0-10 nm from noon
sca... Pt reyes to pigeon pt 10-60 nm from noon
sca... Pigeon pt to pt pinos 10-60 nm from 7 pm
sca... Pt reyes to pigeon pt 0-10 nm from 3 pm
sca... Pt pinos to pt piedras blancas 10-60 nm from 3 pm
public forecast: bell
aviation/marine: cw
visit us at weather.Gov/sanfrancisco
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46013 - Bodega Bay - 48NM North Northwest of San Francisco, CA 17 mi82 min WNW 12 G 16 58°F 63°F5 ft1014.2 hPa (-0.6)
PRYC1 - 9415020 - Point Reyes, CA 18 mi42 min WNW 7 G 8.9 60°F 63°F1013.8 hPa
46214 - Point Reyes, CA (029) 33 mi46 min 63°F6 ft
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 35 mi82 min NW 5.8 G 9.7 59°F 6 ft1014.5 hPa (-0.9)
46237 - San Francisco Bar, CA (142) 37 mi30 min 64°F6 ft
RCMC1 - 9414863 - Richmond, CA 38 mi42 min SW 2.9 G 6 60°F 67°F1013.8 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 40 mi42 min SW 5.1 G 6 60°F 1014 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 40 mi42 min WSW 11 G 14 61°F 1013.2 hPa
FTPC1 - 9414290 - San Francisco, CA 41 mi42 min WSW 4.1 G 8.9 58°F 65°F1014.3 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 44 mi42 min S 2.9 G 8.9 59°F 1013 hPa
PXSC1 44 mi42 min 60°F 58°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 46 mi66 min WSW 5.1 G 8 60°F 1014.2 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 46 mi42 min SW 8 G 8.9
OBXC1 46 mi42 min 60°F 59°F
UPBC1 48 mi42 min W 13 G 17
MZXC1 - 9415102 - Martinez-Amorco CA 48 mi42 min W 11 G 15 61°F 69°F1012.8 hPa57°F
AAMC1 - 9414750 - Alameda, CA 49 mi42 min WSW 2.9 G 5.1 60°F 70°F1013.9 hPa
LNDC1 49 mi42 min SW 5.1 G 6 60°F 1013.9 hPa

Wind History for Point Reyes, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Rosa (awos), CA20 mi19 minN 010.00 miOvercast58°F55°F93%1012.6 hPa
Novato/Gnoss Field Airport, CA24 mi17 minN 010.00 miOvercast59°F57°F94%1014.2 hPa

Wind History from O69 (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmSW3W6W6NW4W8W10
G14
W8NW7NW4NW3NW4NW3CalmCalmNW3Calm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Tomales Bay entrance, California
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Tomales Bay Entrance
Click for Map
Fri -- 02:08 AM PDT     4.22 feet High Tide
Fri -- 06:38 AM PDT     Sunrise
Fri -- 08:16 AM PDT     1.26 feet Low Tide
Fri -- 10:29 AM PDT     Moonrise
Fri -- 02:32 PM PDT     4.64 feet High Tide
Fri -- 07:45 PM PDT     Sunset
Fri -- 09:02 PM PDT     1.26 feet Low Tide
Fri -- 09:50 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.444.24.13.62.92.11.61.31.41.82.53.44.14.64.64.23.52.721.51.31.41.9

Tide / Current Tables for Point Reyes, California Current
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Point Reyes
Click for Map
Fri -- 12:01 AM PDT     0.86 knots Max Flood
Fri -- 03:06 AM PDT     -0.00 knots Slack
Fri -- 05:55 AM PDT     -1.02 knots Max Ebb
Fri -- 06:39 AM PDT     Sunrise
Fri -- 09:12 AM PDT     0.00 knots Slack
Fri -- 10:29 AM PDT     Moonrise
Fri -- 12:15 PM PDT     0.88 knots Max Flood
Fri -- 03:18 PM PDT     -0.00 knots Slack
Fri -- 06:19 PM PDT     -1.13 knots Max Ebb
Fri -- 07:45 PM PDT     Sunset
Fri -- 09:51 PM PDT     Moonset
Fri -- 09:51 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.90.70.50.1-0.4-0.9-1-0.8-0.5-0.10.30.70.90.80.50.1-0.3-0.8-1.1-1-0.7-0.30.10.4

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 San Francisco/Monterey Bay Area, CA (8,2,3,4)
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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.