Monday, May29, 2017 L-36.com


Marine Weather and Tides
Inverness, 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 5:48AMSunset 8:27PM Sunday May 28, 2017 10:44 PM PDT (05:44 UTC) Moonrise 7:59AMMoonset 10:35PM Illumination 14% 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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PZZ545 Point Reyes To Pigeon Point To 10 Nm- 811 Pm Pdt Sun May 28 2017
.small craft advisory in effect through late Monday night...
Tonight..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 3 ft at 11 seconds. Patchy fog after midnight. Patchy drizzle after midnight.
Memorial day..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 3 ft at 10 seconds. Patchy fog in the morning. Patchy drizzle in the morning.
Mon night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 3 ft at 10 seconds. Patchy drizzle after midnight.
Tue..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 3 ft at 10 seconds. Patchy drizzle in the morning.
Tue night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 3 ft at 11 seconds. Slight chance of showers after midnight.
Wed..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 3 ft...shifting to the west. Patchy fog.
Thu..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 3 to 4 ft. Patchy fog.
Fri..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 3 to 4 ft. Patchy fog.
...san francisco bar/fourfathom bank forecast..... In the deep water channel...combined seas 2 to 4 ft with a dominant period of 12 seconds. Across the bar...combined seas 3 to 5 ft with a dominant period of 12 seconds. Maximum ebb current of 2 knots at 05:54 am Monday and 1 knots at 07:18 pm Monday.
PZZ500 811 Pm Pdt Sun May 28 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Brisk northwest winds will continue over the coastal waters tonight and into the memorial day holiday as high pressure remains strong off the west coast. The gusty winds will produce hazardous conditions with steeper wind waves and fresh swell. Winds will decrease Tuesday night as a weak frontal system moves through the coastal waters.

7 Day Forecast for Marine Location Near Inverness, CA
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location: 38.11, -122.87     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 290528
afdmtr
area forecast discussion
national weather service san francisco bay area
1028 pm pdt Sun may 28 2017

Synopsis Dry weather and seasonable temperatures are forecast
through Monday. Slight cooling along with a minor chance for
showers is expected Tuesday and Wednesday, but otherwise little
change is forecast through the week.

Discussion As of 9:00 pm pdt Sunday... A weak upper level ridge
sits over the west coast. Good onshore push kept low clouds in
for most of the day around sfo bay and the mry bay area.

Temperatures today were consequently a few degrees below normal.

Not much change is expected Monday as morning low clouds and
continued onshore flow prevents much warming of temperatures. The
ridge will move east Monday night as an upper level trough
approaches from the west. The marine layer will deepen Monday
night and there could be local drizzle along the coast and
coastal mountains as indicated by the nam. Temperatures will be a
few degrees cooler on Tuesday. A secondary upper trough moves
through Tuesday night bringing a more cooler airmass to the area.

The WRF and the GFS bring a line of light showers through the
district Tuesday night while the NAM and ECMWF keep things dry.

Given there will be some instability from the airmass cooling
aloft it is worth mentioning a slight chance of showers Tuesday
night.

Clearing is expected Wednesday after the trough moves through and
mixes out the marine layer. More Sun is expected on Wednesday
which should allow for a slight warming.

Low pressure will be the dominant feature over the eastern pacific
the rest of the week keeping a westerly flow over the area. This
will prevent any ridging from forming over the state. Temperatures
will return to near normal but no significant warming is expected
through next weekend.

Aviation 10:25 pm pdt Sunday for 06z tafs... Low clouds are
moving back in tonight with several terminals already reporting
ifr MVFR ceilings. Expect all terminals to see low clouds
as the night progresses and continue into Monday morning. Some
locations may see the clouds persist into the afternoon, or even
all day. West to northwest winds will become gusty by Monday
afternoon.

Vicinity of ksfo... Low clouds have pushed through the gap and have
brought overcast ifr ceilings to the most recent hourly
observation. Expect low clouds to persist through most of the
morning. Guidance suggests strong west winds on Monday afternoon
with gusts up to 25 or 30 kt.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals... Ifr ceilings overnight and through
Monday morning. Similar to Sunday, ksns has a better chance for
clearing in the afternoon whereas kmry may remain overcast through
the afternoon. Winds will increase Monday afternoon out of the
west at 10 to 20 kt.

Marine As of 10:09 pm pdt Sunday... Brisk northwest winds will
continue over the coastal waters tonight and into the memorial
day holiday as high pressure remains strong off the west coast.

The gusty winds will produce hazardous conditions with steeper
wind waves and fresh swell. Winds will decrease Tuesday night as
a weak frontal system moves through the coastal waters.

Mtr watches warnings advisories
Tngt Sca... Pt arena to pt reyes 0-10 nm
sca... Pt reyes to pigeon pt 0-10 nm
sca... Pigeon pt to pt pinos 0-10 nm
sca... Pt pinos to pt piedras blancas 0-10 nm
sca... Pt arena to pigeon pt 10-60 nm
sca... Pigeon pt to pt piedras blancas 10-60 nm
sca... Sf bay until 3 am
sca... Mry bay until 3 am
public forecast: W pi
aviation: rowe
marine: rowe sims
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRYC1 - 9415020 - Point Reyes, CA 10 mi44 min WNW 16 G 20 54°F 51°F1016.8 hPa (+0.5)
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 25 mi54 min NW 19 G 23 53°F 54°F6 ft1017.1 hPa (+0.4)
46013 - Bodega Bay - 48NM North Northwest of San Francisco, CA 25 mi34 min NW 25 G 31 52°F 52°F1016.4 hPa50°F
46237 - San Francisco Bar, CA (142) 26 mi44 min 55°F4 ft
TIBC1 - Tiburon Pier, San Francisco Bay, CA 27 mi52 min SW 5.1 55°F 1016 hPa (+0.0)
RCMC1 - 9414863 - Richmond, CA 28 mi44 min W 1 G 5.1 57°F 59°F1016.1 hPa (+0.8)
PPXC1 - 9414847 - Richmond (Point Potrero), CA 30 mi44 min S 8.9 G 12 58°F 1016.6 hPa (+0.5)
FTPC1 - 9414290 - San Francisco, CA 30 mi44 min W 13 G 18 53°F 57°F1016.9 hPa (+0.4)
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 32 mi44 min WSW 14 G 19 57°F 1015.6 hPa (+0.6)
PXOC1 - 9414311 - San Francisco (Pier 1), CA 33 mi50 min WSW 7 G 14 54°F 1015.8 hPa
PXSC1 33 mi44 min 54°F 51°F
46214 - Point Reyes, CA (029) 34 mi44 min 53°F8 ft
OKXC1 - 9414776 - Oakland (Berth 34), CA 35 mi44 min W 5.1 G 9.9 55°F 1017.2 hPa (+0.7)
OBXC1 35 mi44 min 55°F 51°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 36 mi44 min WSW 11 G 15
LNDC1 38 mi44 min W 8 G 11 55°F 1017.3 hPa (+0.7)
AAMC1 - 9414750 - Alameda, CA 38 mi44 min W 2.9 G 8 55°F 63°F1017.8 hPa (+0.7)
UPBC1 40 mi44 min WNW 8.9 G 11
MZXC1 - 9415102 - Martinez-Amorco CA 40 mi44 min WNW 8.9 G 11 60°F 65°F1015.8 hPa (+0.7)56°F
PCOC1 - 9415144 - Port Chicago, CA 44 mi44 min SSW 8.9 G 14 57°F 66°F1015.2 hPa (+0.7)
SFXC1 - San Francisco Bay Reserve, CA 45 mi59 min WNW 7 58°F 1015 hPa55°F

Wind History for Point Reyes, CA
(wind in knots)    EDIT      (on/off)   Help
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SE3
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Novato / Gnoss Field, CA17 mi69 minNE 610.00 miFair55°F50°F82%1016.3 hPa
Petaluma Municipal Airport, CA17 mi49 minNNW 39.00 miOvercast54°F51°F94%1016.9 hPa

Wind History from DVO (wind in knots)
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Last 24hrE5E4CalmCalmCalmCalmSW5SW4CalmCalm34CalmSE9
G14
43N116
G12
SW11
G16
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G11
S9E5CalmCalm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm4CalmCalmCalmSW9
G15
SW11W10
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G19
N94
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2 days agoSW8
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SW6W4SW4W4CalmSW5SW4CalmSW6S5SW65S6SW7S74
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G15
W7N6E3

Tide / Current Tables for Inverness, Tomales Bay, California
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Inverness
Click for Map
Mon -- 03:00 AM PDT     5.53 feet High Tide
Mon -- 05:51 AM PDT     Sunrise
Mon -- 10:04 AM PDT     Moonrise
Mon -- 10:30 AM PDT     -1.58 feet Low Tide
Mon -- 05:12 PM PDT     4.47 feet High Tide
Mon -- 08:26 PM PDT     Sunset
Mon -- 10:50 PM PDT     2.28 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.54.45.25.55.34.43.21.60.2-0.9-1.5-1.5-0.80.31.62.944.54.43.93.32.82.42.3

Tide / Current Tables for Point Reyes, California Current
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Point Reyes
Click for Map
Mon -- 12:09 AM PDT     0.85 knots Max Flood
Mon -- 02:55 AM PDT     -0.00 knots Slack
Mon -- 05:52 AM PDT     Sunrise
Mon -- 06:17 AM PDT     -1.58 knots Max Ebb
Mon -- 10:05 AM PDT     Moonrise
Mon -- 10:14 AM PDT     0.00 knots Slack
Mon -- 01:19 PM PDT     1.23 knots Max Flood
Mon -- 04:50 PM PDT     -0.00 knots Slack
Mon -- 07:03 PM PDT     -0.75 knots Max Ebb
Mon -- 08:27 PM PDT     Sunset
Mon -- 10:27 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.80.4-0-0.7-1.2-1.6-1.5-1.2-0.7-0.10.511.21.20.90.5-0.1-0.6-0.7-0.7-0.4-0.20.2

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 (1,6,7,8)
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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.