Monday, February24, 2020
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Marine Weather and Tides
North Richmond, CA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:46AMSunset 5:58PM Monday February 24, 2020 1:41 AM PST (09:41 UTC) Moonrise 7:43AMMoonset 7:06PM Illumination 1% Phase: New Moon; 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 The San Francisco Bay North Of The Bay Bridge- 850 Pm Pst Sun Feb 23 2020
Tonight..NW winds 5 to 15 kt.
Mon..W winds up to 10 kt.
Mon night..NW winds up to 10 kt.
Tue..SW winds up to 10 kt.
Tue night..SW winds around 5 kt.
Wed..NE winds around 5 kt.
Wed night..NW winds around 5 kt.
Thu..N winds up to 10 kt.
Fri..NW winds around 5 kt.
PZZ500 850 Pm Pst Sun Feb 23 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... High pressure building off the northern california coast will bring gusty northwest winds through Monday. Winds will decrease after Monday night as a ridge builds from the high into the great basin.


7 Day Forecast for Marine Location Near North Richmond, CA
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location: 38, -122.4     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 240512 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 912 PM PST Sun Feb 23 2020

SYNOPSIS. Dry and warmer conditions will return throughout most of the week as high pressure builds over the state. A storm system will approach from the north late next weekend with the possibility of rain.

DISCUSSION. as of 09:13 PM PST Sunday . The onshore pressure gradient is much weaker than 24 hours ago. As a result, winds are lighter this evening and stratus is patchy and confined to coastal locations mainly south of the Golden Gate. A cold trough will sweep through the Intermountain West and Great Basin tonight, with surface high pressure quickly building in its wake. As a result, offshore flow will develop over northern California. An upper ridge of high pressure will build off the coast on Monday and shift to the coast by Tuesday. The net result will be warmer temperatures and dry conditions this week. North to northeast winds will also be breezy in the hills early this week.

Monday's highs will be 5 to 10 degrees warmer than today, with around 5 degrees of additional warming on Tuesday as the airmass warms under the upper ridge and offshore flow. The week ahead will shape up to be very warm and pleasant for any outdoor activities with well above normal temperatures. Models continue to advertise a pattern change next weekend with a return to cooler weather and a chance of showers. For addtional details, see the previous discussion.

PREV DISCUSSION. as of 01:31 PM PST Sunday . After a cloudy, cool, and drizzly start to the day skies did clear for most locations around the Bay Area. However, afternoon satellite imagery continues to show a summer like strato-cu field feeding in from the Pacific along the San Mateo Coast and Monterey Bay Region. The morning low clouds and continued onshore flow led to a chilly afternoon despite some sunshine. Latest 24 hour trends as of 1 PM show many places running 2 to 10 degrees colder than 24 hours ago. High temps this afternoon will likely top out in the upper 50s and 60s.

For tonight . expect another night with some low clouds, but not extensive as last night. On a larger scale an upper level shortwave trough will sweep through the Great Basin late tonight and early Monday. In it's wake, surface high pressure will build over Oregon and eventually the Great Basin. This setup will result in offshore flow. Hi-res models like the WRF show NE winds picking up Monday morning and then increasing through the day. The offshore flow will usher in a warming and drying trend through the rest of the work week. Models have backed off on the extent of the warming, but temperatures will still be 5 to 15 degrees above normal Monday through Friday.

By Friday, the upper ridge begins to shift eastward as an upper trough approaches from the west. The upper trough is forecast to deepen with a low tracking down the coast. In fact, the low could potentially bring the first real round of rain to the Bay Area in over a month. GFS/ECM/GEM and ensembles all show some precip Sunday/Sunday. We have seen the models show rain in the extended before and then remove it, but consensus is much better with this scenario. Speaking of ensembles, two GFS members actually have some rain in SF before March 1. Seems unlikely to actually verify and SF will likely be 0 for the month.

The low next weekend appears to be rather progressive and quickly exit to the Desert Southwest by Monday.

AVIATION. as of 8:15 PM PST Sunday . Stratus has stubbornly hung on along the San Mateo coast. However increasing drier northerly flow will prevent a return of stratus to the Bay Area tonight. Stratus has decreased over the MRY Bay Area this evening. Still expecting clouds to reform later tonight in the IFR range with drizzle possible.

Vicinity of KSFO . VFR. West to northwest winds 15-20 kt gusting to 24 kt decreasing after 03Z.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . IFR/MVFR cigs after 08Z. Drizzle at times lowering the cigs into LIFR range. Early clearing is expected Monday morning as northerly flow dries things out.

MARINE. as of 08:47 PM PST Sunday . High pressure building off the northern California coast will bring gusty northwest winds through Monday. Winds will decrease after Monday night as a ridge builds from the high into the Great Basin.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . Pigeon Pt to Pt Pinos 0-10 nm SCA . Pt Arena to Pt Reyes 0-10 nm SCA . Pt Reyes to Pigeon Pt 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



PUBLIC FORECAST: ST/MM AVIATION: W Pi MARINE: W Pi

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCMC1 - 9414863 - Richmond, CA 5 mi54 min NW 5.1 G 8 53°F 51°F1028.6 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 7 mi54 min NNW 1.9 G 5.1 54°F 1029.1 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 8 mi54 min NW 7 G 8 53°F 1028.6 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 8 mi37 min Calm 49°F 1029 hPa
FTPC1 - 9414290 - San Francisco, CA 14 mi60 min SW 1.9 G 1.9 49°F 55°F1028.9 hPa
OBXC1 14 mi54 min 52°F 52°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 14 mi54 min SE 1 G 4.1 51°F 1028.9 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 14 mi60 min ESE 1.9 G 2.9
PXOC1 - 9414311 - San Francisco (Pier 1), CA 14 mi54 min E 4.1 G 4.1 52°F 1027.8 hPa
PXSC1 14 mi54 min 53°F 53°F
UPBC1 15 mi54 min WNW 9.9 G 14
MZXC1 - 9415102 - Martinez-Amorco CA 15 mi60 min W 9.9 G 13 53°F 55°F1028.4 hPa
LNDC1 16 mi54 min E 4.1 G 5.1 1028.7 hPa
AAMC1 - 9414750 - Alameda, CA 17 mi54 min E 1.9 G 2.9 51°F 56°F1028.8 hPa
46237 - San Francisco Bar, CA (142) 19 mi42 min 51°F6 ft
PCOC1 - 9415144 - Port Chicago, CA 20 mi54 min SW 8.9 G 8.9 51°F 54°F1028.2 hPa
SFXC1 - San Francisco Bay Reserve, CA 24 mi57 min NW 5.1
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 27 mi60 min WNW 8.9 G 12 55°F 1028 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 29 mi32 min NNW 18 G 23 51°F 53°F1029.4 hPa
RTYC1 - 9414523 - Redwood City, CA 35 mi54 min SSW 1.9 G 4.1 58°F1029.3 hPa

Wind History for Richmond, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Novato / Gnoss Field, CA13 mi67 minN 010.00 mi45°F44°F100%1029.1 hPa
Napa, Napa County Airport, CA16 mi48 minNNE 310.00 miFair39°F37°F96%1027.9 hPa
Concord, Buchanan Field, CA19 mi49 minSSE 310.00 miFair49°F44°F83%1027.3 hPa
Petaluma Municipal Airport, CA21 mi47 minN 010.00 miFair43°F42°F100%1029.1 hPa
Oakland, Metro Oakland International Airport, CA23 mi49 minENE 510.00 miA Few Clouds49°F45°F86%1028.8 hPa

Link to 5 minute data for KDVO

Wind History from DVO (wind in knots)
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Last 24hrE4--CalmCalmNE4CalmCalmCalmE36SW9N6
G11
SW8SW11SW8S6CalmSE5CalmCalmCalmCalmE63
1 day agoCalmCalmS4CalmCalmCalmCalmCalmCalmE4E3SE6SW16SW11SW11
G16
SW11SW7CalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmN4N5CalmCalm4S5CalmNW4N8CalmE4CalmCalmNW4N4SE4Calm

Tide / Current Tables for Pinole Point, San Pablo Bay, California
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Pinole Point
Click for Map
Mon -- 01:45 AM PST     5.34 feet High Tide
Mon -- 06:48 AM PST     Sunrise
Mon -- 07:10 AM PST     1.95 feet Low Tide
Mon -- 07:42 AM PST     Moonrise
Mon -- 12:57 PM PST     5.93 feet High Tide
Mon -- 05:57 PM PST     Sunset
Mon -- 07:06 PM PST     Moonset
Mon -- 07:32 PM PST     0.14 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.45.25.34.94.13.12.322.12.83.84.85.65.95.64.73.420.90.20.20.81.82.9

Tide / Current Tables for Pinole Point 1.2 mi W, San Pablo Bay, California Current
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Pinole Point 1.2 mi W
Click for Map
Mon -- 02:40 AM PST     -0.00 knots Slack
Mon -- 05:19 AM PST     -0.66 knots Max Ebb
Mon -- 06:48 AM PST     Sunrise
Mon -- 07:42 AM PST     Moonrise
Mon -- 07:46 AM PST     0.00 knots Slack
Mon -- 09:59 AM PST     0.76 knots Max Flood
Mon -- 01:40 PM PST     -0.00 knots Slack
Mon -- 04:59 PM PST     -1.07 knots Max Ebb
Mon -- 05:57 PM PST     Sunset
Mon -- 07:06 PM PST     Moonset
Mon -- 08:29 PM PST     0.00 knots Slack
Mon -- 11:03 PM PST     0.82 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.50.2-0.1-0.5-0.6-0.6-0.30.10.60.80.70.50.2-0.2-0.7-1-1.1-1-0.7-0.30.30.70.8

Weather Map
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wmap_P
GEOS Local Image of CentralWestCoast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (4,6,7,8)
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Ground Weather Radar Station Sacramento, CA
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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 numerous 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.