Tuesday, March28, 2017 L-36.com


Marine Weather and Tides
Richmond, 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 6:57AMSunset 7:30PM Tuesday March 28, 2017 4:27 PM PDT (23:27 UTC) Moonrise 6:36AMMoonset 7:27PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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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PZZ530 San Pablo Bay Suisun Bay The West Delta And San Francisco Bay North Of The Bay Bridge- 224 Pm Pdt Tue Mar 28 2017
Tonight..NW winds 5 to 15 kt.
Wed..W winds 5 to 15 kt.
Wed night..W winds 10 to 20 kt.
Thu..NW winds 10 to 20 kt.
Thu night..NW winds 5 to 15 kt.
Fri..N winds 15 to 25 kt.
Sat..NW winds 10 kt.
Sun..W winds 10 to 20 kt.
PZZ500 224 Pm Pdt Tue Mar 28 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate and gusty northwest winds will continue through the next several days as high pressure strengthens over the eastern pacific and tightens the pressure gradient along the central coast of california. Northwest swell will slowly decrease some tonight and will continue to through about Thursday morning before building again late Thursday and through the weekend.

7 Day Forecast for Marine Location Near Richmond, CA
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location: 37.91, -122.38     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 282049
afdmtr
area forecast discussion
national weather service san francisco bay area
149 pm pdt Tue mar 28 2017

Synopsis A gradual warming trend will continue through
Wednesday as high pressure builds over the region. Cooler and
breezy conditions return on Thursday as a cold front sweeps
through the region. While a few light rain showers will be
possible, most locations will remain dry. The ridge will then
rebuild back over the region late in the week resulting in another
warming trend heading into the upcoming weekend.

Discussion As of 01:48 pm pdt Tuesday... High pressure building
over the region has resulted in mostly sunny skies and an uptick
in daytime temperatures compared to yesterday. The ridge aloft
will continue to build and bring even warmer temperatures on
Wednesday with inland areas reaching into the 70s to lower 80s.

Dry weather conditions will also prevail.

By late Wednesday night, the forecast models continue to indicate
a mid/upper level trough will push into the pacific northwest. As
the trough pushes inland, a cold front will drop southward into
northern california and bring the potential for light
precipitation. While the best chances for measurable rainfall will
be to our north, cannot rule out some light rain showers across
the north bay Wednesday night into early Thursday morning. Light
precipitation in the form of showers or sprinkles may drop as far
south as the central coast just before sunrise Thursday morning.

With that said, most locations will remain dry or only see trace
amounts of rainfall from this passing system. Temperatures cool in
wake of the frontal passage with only 60s and lower 70s expected
for Thursday afternoon. Northerly winds will also increase as the
main mid/upper level low slides down into the desert southwest and
the surface pressure gradient tightens along the coast. Breezy
conditions then persist into Friday before the mid/upper level
trough pushes further to the east. May see a few degrees of
warming by Friday afternoon, yet conditions will feel cool given
the breezy northerly winds.

High pressure is forecast to rebuild back across the region late
Friday into the upcoming weekend. As a result, inland areas will
rebound back into the 70s and lower 80s with mostly sunny skies.

Medium range guidance suggest dry weather and seasonably mild
temperatures will persist into early next week as well with the
ridge aloft. While confidence this far out remains low, the models
do hint at the potential return to a wetter pattern late next
week.

Aviation As of 10:33 am pdt Tuesday for 18z tafs. Current vsbl
satellite imagery shows few-sct high clouds over the region.

Expect this to be the case through the day. Biggest story will be
the winds today. West/northwest winds will pick up and become
gusty in the next hour or two. Winds won't be quite as gusty today
as yesterday, but will still gust 20-25 kt, locally higher,
through roughly about 03z (8pm pdt) at most terminals. Threw in a
chance of low clouds for the monterey bay terminals for Wednesday
morning. There could be a couple of hours of stratus around
sunrise, but confidence is low at this time. Overall, moderate to
high confidence with this forecast.

Vicinity of ksfo...VFR conditions anticipated. West to northwest
winds exceeding 20 to 25 kt possible through the evening, possibly
higher at ksfo.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals...VFR through the rest of the day. Tafs
reflect MVFR CIGS around sunrise Wednesday morning, but should
lift by 16z, if CIGS develop at all. Gusty west/northwest winds by
21z (2pm pdt) this afternoon, around 20 kt, diminishing around
03z.

Marine As of 08:25 am pdt Tuesday... A long period northwest
swell... 17 to 18 seconds... Will move through the coastal waters
today. Moderate and gusty northwest winds will continue for the
next several days as a strong surface pressure gradient builds
over the region.

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... Rough bar advisory for sf bar until 3 am
sca... Mry bay until 9 pm
public forecast: rgass
aviation: bm
marine: bm
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PPXC1 - 9414847 - Richmond (Point Potrero), CA 1 mi39 min WNW 13 G 18 72°F 1021.1 hPa
RCMC1 - 9414863 - Richmond, CA 2 mi39 min WNW 9.9 G 12
PXSC1 7 mi39 min 69°F 47°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 7 mi45 min W 8.9 G 11 66°F 1021.1 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 8 mi39 min W 9.9 G 11
OBXC1 8 mi39 min 65°F 49°F
FTPC1 - 9414290 - San Francisco, CA 9 mi39 min WSW 14 G 19
LNDC1 10 mi39 min WNW 7 G 11 71°F 1021 hPa
AAMC1 - 9414750 - Alameda, CA 10 mi39 min W 6 G 9.9 66°F 59°F1021.5 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 12 mi39 min WNW 8.9 G 11 68°F 1020.7 hPa
UPBC1 16 mi45 min N 17 G 21
MZXC1 - 9415102 - Martinez-Amorco CA 16 mi39 min N 13 G 18 71°F 57°F1021 hPa38°F
46237 - San Francisco Bar, CA (142) 16 mi57 min 55°F10 ft
PCOC1 - 9415144 - Port Chicago, CA 21 mi39 min NNE 8.9 G 11 69°F 57°F1020.8 hPa
SFXC1 - San Francisco Bay Reserve, CA 27 mi102 min NE 15 72°F 1021 hPa43°F
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 27 mi37 min NNW 19 G 23 56°F 55°F12 ft1022.3 hPa (-1.1)
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 28 mi39 min NNE 15 G 19 68°F 1020.8 hPa
RTYC1 - 9414523 - Redwood City, CA 29 mi39 min WNW 13 G 15 69°F 60°F1020.7 hPa
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 46 mi37 min NW 21 G 27 57°F 56°F13 ft1022.1 hPa (-0.9)

Wind History for Point Potrero Richmond, CA
(wind in knots)    EDIT      (on/off)   Help
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SE8
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SW9
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S14

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oakland, Metro Oakland International Airport, CA17 mi34 minW 1610.00 miA Few Clouds69°F53°F57%1021 hPa
Concord, Buchanan Field, CA18 mi34 minN 1010.00 miFair74°F42°F32%1019.5 hPa
Novato / Gnoss Field, CA19 mi32 minW 10 G 1510.00 miFair73°F46°F38%1021 hPa
San Francisco, San Francisco International Airport, CA20 mi31 minW 2110.00 miA Few Clouds and Breezy65°F46°F52%1021.6 hPa
Napa, Napa County Airport, CA21 mi33 minN 1510.00 miFair78°F41°F27%1019.5 hPa
Hayward, Hayward Air Terminal, CA22 mi33 minW 1610.00 miFair68°F48°F51%1022 hPa

Wind History from OAK (wind in knots)
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Last 24hrW15W14W15N8NW9NW10NW11N8NW5NW4W5CalmCalmN3NW3N3NW5NW7W11W10NW12NW13W13W16
1 day agoS3SW16SW12SW14SW17W15W13W11W14W14W11NW9W10NW12NW7NW9NW9NW9NW9NW14NW11NW10W17W15
2 days agoW13W14W14W16W14W12W11W8W8W6W7SW6SW4SW5W5SW4SW4SE6SE8S9SE8S7S6S4

Tide / Current Tables for Richmond Inner Harbor, San Francisco Bay, California
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Richmond Inner Harbor
Click for Map
Tue -- 12:53 AM PDT     5.92 feet High Tide
Tue -- 06:53 AM PDT     0.39 feet Low Tide
Tue -- 07:00 AM PDT     Sunrise
Tue -- 07:36 AM PDT     Moonrise
Tue -- 01:12 PM PDT     5.79 feet High Tide
Tue -- 07:07 PM PDT     0.43 feet Low Tide
Tue -- 07:29 PM PDT     Sunset
Tue -- 08:26 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.65.95.54.431.60.70.40.81.834.35.35.85.64.73.41.90.90.40.71.62.94.2

Tide / Current Tables for Point Richmond .5 mi W, San Francisco Bay, California Current
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Point Richmond .5 mi W
Click for Map
Tue -- 02:25 AM PDT     -0.01 knots Slack
Tue -- 05:00 AM PDT     -1.36 knots Max Ebb
Tue -- 07:00 AM PDT     Sunrise
Tue -- 07:36 AM PDT     Moonrise
Tue -- 08:05 AM PDT     0.01 knots Slack
Tue -- 11:36 AM PDT     1.21 knots Max Flood
Tue -- 02:48 PM PDT     -0.01 knots Slack
Tue -- 05:22 PM PDT     -1.33 knots Max Ebb
Tue -- 07:29 PM PDT     Sunset
Tue -- 08:24 PM PDT     0.01 knots Slack
Tue -- 08:26 PM PDT     Moonset
Tue -- 11:53 PM PDT     1.16 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.80.3-0.4-1.1-1.4-1.1-0.7-0.10.50.91.21.20.90.5-0.1-0.9-1.3-1.2-0.8-0.20.30.71.1

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 San Francisco/Monterey Bay Area, CA (19,4,5,8)
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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.