Sunday, March26, 2017 L-36.com


Marine Weather and Tides
Salmon Creek, 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 7:01AMSunset 7:30PM Sunday March 26, 2017 11:52 AM PDT (18:52 UTC) Moonrise 5:26AMMoonset 5:13PM Illumination 1% Phase: Waning Crescent; Moon at 29 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- 902 Am Pdt Sun Mar 26 2017
.small craft advisory in effect from Monday morning through Monday afternoon...
Today..SE winds 10 kt...increasing to 10 to 20 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. W swell 5 to 7 ft at 13 seconds. Chance of rain late in the morning, then rain in the afternoon.
Tonight..W winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 5 to 7 ft at 12 seconds. Chance of rain in the evening, then chance of showers after midnight.
Mon..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 7 to 9 ft at 11 seconds.
Mon night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 9 to 11 ft at 11 seconds.
Tue..NW winds 20 to 30 kt. Wind waves 3 to 5 ft. W swell 9 to 11 ft at 11 seconds.
Wed..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 8 to 9 ft. Chance of showers.
Thu..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 9 to 11 ft.
PZZ500 902 Am Pdt Sun Mar 26 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Generally light winds and moderate seas expected across the waters through most of today. Northwest winds will increase over the waters by Monday as high pressure builds over the eastern pacific.

7 Day Forecast for Marine Location Near Salmon Creek, CA
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location: 38.33, -123.05     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 261825
afdmtr
area forecast discussion
national weather service san francisco bay area
1125 am pdt Sun mar 26 2017

Synopsis A weak weather system will spread light rain across
the north bay this afternoon and across most of the remainder of
the forecast area this evening and overnight. Showers will mostly
end by Monday morning. Expect decreasing clouds on Monday with
brisk afternoon and evening northwest winds. High pressure will
then produce dry weather through midweek, along with a warming
trend. Shower chances will return to northern and eastern portions
of our region Wednesday night and Thursday as a weather system
drops inland to our east. Temporary cooling and blustery
conditions are also expected with this system.

Discussion As of 8:00 am pdt Sunday... Rain will return to our
region later today as a weak system moves from the north. Ahead of
it light rain is possible. Based off of kmux radar data, did a
minor update to the forecast to bring a chance of rain farther
south into the afternoon. Otherwise, everything looks on track.

Latest QPF from CNRFC still in line with the previous forecast -- 1/4"
to 1/2" for the north bay mountains with generally less than
0.15" for the rest of the cwa.

No major updates planned.

Previous discussion High clouds have been increasing overnight
as a weak weather system approaches from the west-northwest. The
models have slowed the arrival of precipitation with this system,
with rain now expected to develop only in the north bay between
midday and late afternoon. Most areas south and east of san
francisco will probably remain dry through late afternoon. Light
rain is then expected to develop over most of the remainder of our
forecast area during the evening hours. Rainfall totals through
tonight are forecast to range from 0.10-0.40" in the north bay,
with totals mostly under a tenth of an inch for all other areas.

A few showers may linger into Monday morning, but for the most
part Monday should be a dry day as the system departs quickly to
the southeast and a high pressure ridge builds just offshore.

Brisk northwest winds are likely by Monday afternoon with
strongest winds expected near the coast where local gusts up to 35
mph are possible late Monday afternoon and early evening.

The upper ridge offshore is forecast to build inland over
california on Tuesday and Wednesday, bringing dry weather along
with a warming trend. High temperatures by Wednesday are forecast
to be mostly in the upper 60s and 70s.

The GFS and ECMWF have come into better agreement regarding a
system that will impact our area shortly after midweek. Both
models show a system dropping in from the northwest and across far
northern california on Wednesday night, and then proceeding into
the great basin by Thursday. This system will be an 'inside
slider' which will mean that most, if not all, precipitation will
be confined to areas to our north and east - which is what the
gfs is forecasting. However, the past two runs of the ECMWF have
forecast precipitation farther to the south and east and into our
area. Have therefore added shower chances across the northern and
eastern portions of our area for Wednesday night and Thursday. A
cooler airmass will arrive with this system on Thursday and high
temperatures may cool by as much as 10 degrees from Wednesday to
Thursday. In addition, potentially quite strong and gusty north to
northwest winds will develop on Thursday and continue into
Thursday night. Locally blustery conditions may then continue in
the hills into Friday night as well. If conditions develop as
currently forecast by the models, wind advisories may be needed
for portions of our forecast area later in the week.

Warming and drying will occur late in the week and into next
weekend as an upper ridge once again builds across california.

Aviation As of 10:52 am pdt Sunday... Increasing cloud cover
expected as the main frontal band approaches the region. A stray
shower cannot be ruled out ahead of the front however showers
associated with the front are not expected to arrive until later
this afternoon and evening. See tafs for detailed timing. Cigs
will begin to lower this afternoon and evening as the front moves
from north to south. Winds will increase slightly this evening with
moderate localized gusts possible.

Vicinity of ksfo...VFR. Light rain forecast to begin around 02z Sunday
evening with MVFR CIGS overnight.

Sfo bridge approach... Same as ksfo.

Monterey bay terminals...VFR. Light rain forecast to begin around
03z Sunday evening with MVFR CIGS overnight.

Marine As of 11:12 am pdt Sunday... Generally light winds and
moderate seas expected across the waters through most of today.

Northwest winds will increase over the waters by Monday as high
pressure builds over the eastern pacific.

Mtr watches/warnings/advisories
Tday None.

Public forecast: bell/dykema
aviation/marine: cw
visit us at

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 15 mi42 min SSE 14 G 18 53°F 55°F1019.3 hPa51°F
46214 - Point Reyes, CA (029) 34 mi60 min 56°F8 ft
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 41 mi62 min SSE 14 G 16 54°F 55°F7 ft1019.5 hPa (+0.7)
RCMC1 - 9414863 - Richmond, CA 44 mi52 min SSE 5.1 G 8 56°F 57°F1019.7 hPa (+1.0)
46237 - San Francisco Bar, CA (142) 44 mi52 min 56°F6 ft
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 46 mi52 min SW 2.9 G 6 56°F 1019.7 hPa (+1.0)
PPXC1 - 9414847 - Richmond (Point Potrero), CA 47 mi52 min SSE 8.9 G 12 57°F 1020.2 hPa (+1.0)
FTPC1 - 9414290 - San Francisco, CA 48 mi52 min SE 5.1 G 7 56°F 56°F1020.1 hPa (+0.8)

Wind History for Point Reyes, CA
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NW15

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Rosa, Santa Rosa Sonoma County Airport, CA18 mi59 minSSE 710.00 miOvercast55°F46°F74%1018.5 hPa
Petaluma Municipal Airport, CA24 mi57 minE 610.00 miOvercast55°F50°F82%1020.3 hPa

Wind History from STS (wind in knots)
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Last 24hrCalmSE4SW4S3SW8SW9SW7SW5SW4S3SE5S3SE3W3CalmW4CalmCalmCalmCalmCalmCalmS3S7
1 day agoS7S10S6S6CalmW4SW6S5S4S4CalmCalmNW4W3W3NW3NW5CalmW3W3W3NE3NW3NE3
2 days ago3S4S6S12S11SW10S8CalmSE3SE4E4SE3E3CalmCalmSE7SE8SE8SE14SE10SE14
G22
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G23
S8SE11

Tide / Current Tables for Bodega Harbor entrance, California
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Bodega Harbor entrance
Click for Map
Sun -- 04:39 AM PDT     1.46 feet Low Tide
Sun -- 06:26 AM PDT     Moonrise
Sun -- 07:05 AM PDT     Sunrise
Sun -- 10:32 AM PDT     5.48 feet High Tide
Sun -- 04:58 PM PDT     0.13 feet Low Tide
Sun -- 06:12 PM PDT     Moonset
Sun -- 07:30 PM PDT     Sunset
Sun -- 11:19 PM PDT     5.28 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.73.92.92.11.61.522.83.84.85.45.44.93.82.51.20.40.10.51.42.53.74.75.2

Tide / Current Tables for Salt Point, California Current
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Salt Point
Click for Map
Sun -- 02:20 AM PDT     -1.08 knots Max Ebb
Sun -- 05:48 AM PDT     0.00 knots Slack
Sun -- 06:27 AM PDT     Moonrise
Sun -- 07:06 AM PDT     Sunrise
Sun -- 08:40 AM PDT     1.05 knots Max Flood
Sun -- 11:40 AM PDT     -0.00 knots Slack
Sun -- 02:36 PM PDT     -1.38 knots Max Ebb
Sun -- 06:13 PM PDT     Moonset
Sun -- 06:15 PM PDT     0.00 knots Slack
Sun -- 07:31 PM PDT     Sunset
Sun -- 09:10 PM PDT     1.18 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.2-0.8-1.1-1-0.8-0.40.10.6110.80.4-0.2-0.9-1.3-1.3-1.1-0.7-0.10.511.21.10.7

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 (14,3,4,5)
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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.