Sunday, March29, 2020
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Marine Weather and Tides
Menlo Park, 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 6:57AMSunset 7:29PM Saturday March 28, 2020 10:37 PM PDT (05:37 UTC) Moonrise 8:27AMMoonset 10:42PM Illumination 26% Phase: Waxing Crescent; Moon at 5 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- 822 Pm Pdt Sat Mar 28 2020
Tonight..SW winds 5 to 10 kt. Rain.
Sun..SW winds 5 to 15 kt. Rain.
Sun night..W winds 5 to 15 kt.
Mon..SW winds 5 to 15 kt.
Mon night..W winds 5 to 10 kt.
Tue..W winds up to 10 kt.
Tue night..NW winds 5 to 10 kt.
Wed..NW winds up to 10 kt.
Thu..W winds up to 10 kt.
PZZ500 822 Pm Pdt Sat Mar 28 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Generally light winds persisting through the weekend and early next week as high pressure moves over the southern california waters and a weak boundary approaches from offshore of the pacific northwest. Mixed swell will continue with a moderate northwest swell and a light southwesterly swell.


7 Day Forecast for Marine Location Near Menlo Park, CA
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location: 37.52, -122.16     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 290333 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 833 PM PDT Sat Mar 28 2020

SYNOPSIS. Scattered light showers will continue overnight. Widespread rain is expected from Sunday morning into early Sunday afternoon as a cold front moves through the area. Dry conditions will develop by Sunday night. A weak weather system may bring light rain to the North Bay on Monday, otherwise dry high pressure will start to build. The long range forecast calls for dry weather for the remainder of next week, along with a gradual warming trend.

DISCUSSION. As of 8:30 PM PDT Saturday . An upper trough is centered offshore along 125W this evening. This weather system has been producing scattered shower activity throughout the day, and KMUX radar currently shows scattered light showers persisting this evening. Rainfall amounts have thus far been light, with most locations picking up less than a tenth of an inch. Greatest rain totals have been in the East Bay where local amounts of about a quarter inch have been reported.

Latest short-term model data indicate scattered light showers will continue overnight, but with little additional precip accumulation. The 00Z NAM and latest HRRR agree that a line of widespread and heavier precipitation will then track across our forecast area from late tonight through midday Sunday as the trough axis arrives along the coast. Shower activity will then taper off Sunday afternoon and mostly end by Sunday evening. Additional rainfall through Sunday afternoon is forecast to range from a tenth to a half inch.

A system forecast to move inland to our north on Monday may produce light rain as far south as our North Bay Counties. Otherwise, Monday is expected to be a dry day with temperatures remaining slightly cooler than seasonal averages. For the remainder of next week, the models agree that an upper ridge will gradually build near the West Coast, maintaining dry weather across our region and resulting in a slow warming trend. Temperatures by Wednesday and Thursday are forecast to warm to near normal, or slightly above, with highs expected to range from the mid 60s to mid 70s. Based on latest extended forecast models, dry and mild conditions will likely persist through next weekend.

Looking farther out, the ensemble mean from both the ECMWF and GFS indicate wet weather will return during the week of April 6 as a trough over the Eastern Pacific undercuts the ridge.

AVIATION. as of 4:48 PM PDT Saturday . For 00z tafs. Occasional showers and VFR to MVFR tonight and Sunday morning. VFR returning by early Sunday afternoon.

Vicinity of KSFO . VFR occasionally MVFR tonight, VFR Sunday afternoon and evening. Showers tonight and Sunday.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR occasionally MVFR tonight, VFR Sunday afternoon and evening. Showers tonight and Sunday.

MARINE. As of 8:22 PM PDT Saturday . Generally light winds persisting through the weekend and early next week as high pressure moves over the southern California waters and a weak boundary approaches from offshore of the Pacific Northwest. Mixed swell will continue with a moderate northwest swell and a light southwesterly swell.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. None.

PUBLIC FORECAST: Dykema AVIATION: Canepa MARINE: Canepa

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTYC1 - 9414523 - Redwood City, CA 3 mi49 min S 1.9 G 2.9 52°F 58°F1021.5 hPa
AAMC1 - 9414750 - Alameda, CA 19 mi49 min SW 4.1 G 6 53°F 58°F1021 hPa
LNDC1 20 mi49 min SW 2.9 G 4.1 53°F 1020.9 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 21 mi55 min SSW 5.1 G 6
OBXC1 22 mi49 min 53°F 49°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 22 mi49 min SSW 4.1 G 5.1 53°F 1021 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 23 mi49 min SE 2.9 G 6 53°F 1019.9 hPa
PXSC1 23 mi49 min 54°F 50°F
FTPC1 - 9414290 - San Francisco, CA 26 mi49 min 58°F
PPXC1 - 9414847 - Richmond (Point Potrero), CA 29 mi49 min SSW 5.1 G 8.9 54°F 1021.2 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 30 mi45 min Calm 50°F 1021 hPa (+0.0)
46237 - San Francisco Bar, CA (142) 31 mi67 min 56°F3 ft
RCMC1 - 9414863 - Richmond, CA 31 mi49 min SW 1.9 G 4.1 53°F 56°F1020.6 hPa
UPBC1 36 mi49 min SW 5.1 G 7
MZXC1 - 9415102 - Martinez-Amorco CA 36 mi49 min SSW 4.1 G 5.1 52°F 57°F1020.8 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 37 mi49 min SW 6 G 8 53°F 1020.5 hPa
PCOC1 - 9415144 - Port Chicago, CA 38 mi49 min SSW 2.9 G 5.1 51°F 57°F1020.6 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 39 mi55 min WSW 1.9 G 2.9 52°F 1020.8 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 39 mi27 min SSE 5.8 G 5.8 53°F 55°F1021.3 hPa
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 40 mi37 min SSW 7.8 G 9.7 53°F 56°F1021.2 hPa49°F
SFXC1 - San Francisco Bay Reserve, CA 48 mi112 min W 5.1

Wind History for Redwood City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Palo Alto Airport, CA3 mi1.8 hrsSSW 510.00 miOvercast52°F46°F82%1021 hPa
San Carlos Airport, CA5 mi42 minS 39.00 miOvercast52°F48°F88%1021.3 hPa
Hayward, Hayward Air Terminal, CA10 mi43 minN 010.00 miOvercast53°F46°F77%1022 hPa
Oakland, Metro Oakland International Airport, CA13 mi44 minSSW 610.00 miLight Rain55°F46°F74%1021.1 hPa
San Francisco, San Francisco International Airport, CA13 mi41 minSE 310.00 miOvercast54°F46°F75%1020.8 hPa
San Jose, San Jose International Airport, CA16 mi44 minE 39.00 miOvercast52°F48°F89%1021.1 hPa
Half Moon Bay Airport, CA18 mi42 minS 35.00 miLight Rain50°F48°F94%1021.3 hPa
Livermore, Livermore Municipal Airport, CA22 mi44 minN 010.00 miOvercast50°F46°F89%1020.7 hPa
San Jose / Reid / Hillv, CA22 mi42 minN 08.00 miLight Rain52°F48°F88%1021.3 hPa

Link to 5 minute data for KPAO

Wind History from PAO (wind in knots)
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Last 24hr------------------S6S4SE6SE5SE7SE4SE4CalmE5NE4Calm------SW5
1 day ago------------------SW4SW45W8W11--W12
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2 days ago------------------CalmCalmCalmCalm44N5--N8NW11NW8NW13NW14W14
G19
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Tide / Current Tables for Redwood Creek, C.M. No.8, San Francisco Bay, California
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Redwood Creek
Click for Map
Sun -- 03:33 AM PDT     7.57 feet High Tide
Sun -- 06:57 AM PDT     Sunrise
Sun -- 10:01 AM PDT     Moonrise
Sun -- 10:36 AM PDT     0.67 feet Low Tide
Sun -- 05:26 PM PDT     5.85 feet High Tide
Sun -- 07:29 PM PDT     Sunset
Sun -- 10:36 PM PDT     2.99 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.95.46.77.57.56.85.642.51.40.80.71.22.23.54.65.45.85.85.34.53.63.13

Tide / Current Tables for Dumbarton Bridge, San Francisco Bay, California Current
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Dumbarton Bridge
Click for Map
Sun -- 02:01 AM PDT     1.11 knots Max Flood
Sun -- 05:13 AM PDT     -0.00 knots Slack
Sun -- 06:57 AM PDT     Sunrise
Sun -- 08:20 AM PDT     -1.14 knots Max Ebb
Sun -- 10:01 AM PDT     Moonrise
Sun -- 11:30 AM PDT     0.00 knots Slack
Sun -- 02:56 PM PDT     1.28 knots Max Flood
Sun -- 07:16 PM PDT     -0.00 knots Slack
Sun -- 07:29 PM PDT     Sunset
Sun -- 08:55 PM PDT     -0.39 knots Max Ebb
Sun -- 10:46 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.611.110.60.1-0.4-0.8-1.1-1.1-0.7-0.20.20.71.11.31.10.80.50.1-0.3-0.4-0.20.1

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 (1,6,7,8)
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Ground Weather Radar Station San Francisco Bay Area, 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.