Monday, June1, 2020
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Marine Weather and Tides
Ladera, 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 5:47AMSunset 8:25PM Monday June 1, 2020 7:08 PM PDT (02:08 UTC) Moonrise 2:55PMMoonset 2:18AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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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PZZ531 San Francisco Bay South Of The Bay Bridge- 256 Pm Pdt Mon Jun 1 2020
Tonight..W winds 5 to 15 kt, becoming nw around 5 kt after midnight.
Tue..NW winds 5 to 15 kt.
Tue night..W winds 5 to 15 kt.
Wed..NW winds 5 to 15 kt.
Wed night..W winds up to 10 kt.
Thu..W winds 5 to 15 kt.
Thu night..SW winds 5 to 10 kt.
Fri..W winds 10 to 20 kt.
Sat..W winds 5 to 15 kt.
PZZ500 256 Pm Pdt Mon Jun 1 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate to fresh northwest conditions will continue through tonight then begin to ease. A mix of short period northwesterly and long period southwesterly waves will maintain a mixed sea state through the week.


7 Day Forecast for Marine Location Near Ladera, CA
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location: 37.4, -122.21     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 012341 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 441 PM PDT Mon Jun 1 2020

SYNOPSIS. A warming trend will begin today and become more robust Tuesday into Wednesday with interior locations warming to well above seasonal averages. Temperatures trend cooler late in the week with the potential for unsettled weather by the upcoming weekend.

DISCUSSION. as of 01:33 PM PDT Monday . Morning low clouds have dissipated for the most part with the exception of Monterey southward to Big Sur. Low cloud dissipation in those areas are being slowed by the overcast high clouds streaming to the northeast. Daytime heating and a little bit of moisture has also resulted in a few afternoon cu popping in the Gabilan Range. Temperatures today have warmed over yesterday as indicated by the lastest 24 hour trend. Even though it's warmer and the first day of meteorological summer it will likely end up near or slight below normal for temperatures today.

The next 48 hours will be a different story as it will definitely feel like summer. A highly amplified pattern at 500 mb with strong high pressure to the east and a deepening/retrograding upper low to the southwest. As the upper low moves farther to the southwest the high pressure currently over the Desert Southwest will build westward in California. The building ridge will kick off a robust warming trend with 850mb temps initially 20-22C on Tuesday and then 22-25C on Wednesday. The warm airmass will result in near record to record heat with Wednesday being the warmest day. Similar to the last round of heat, lack of noticeable offshore flow and lingering onshore flow will keep coastal areas from seeing any major heat impacts. Daytime temperatures for inland areas are forecast to range from the 90s to near 102 Tuesday/Wednesday. The San Francisco Bay shoreline and Santa Cruz County coast could warm to the mid 80s and lower 90s on Tuesday/Wednesday. For San Francisco itself, the Downtown/Bayside could warm to the lower 80s while the Pacific coastal side will peak in the lower 70s. Other coastal areas should remain relatively mild (70s to around 80) compared to inland areas given light onshore flow. Interesting to note that the warmest temperatures near the coast will be on Tuesday while interior areas will be warmest on Wednesday. The model ensemble envelop has interior portions reaching 105 deg on Wednesday. Not confidence on reaching that, but trended forecast warmer. There will not be a lot of relief at night either with lows in the 50s/60s/ Higher elevations will remain milder and in the 70s and possibly low 80s. All that being said, low to moderate Heat Risk impacts will be possible on Tuesday, but more widespread moderate Heat Risk impacts on Wednesday for the interior. A Heat Advisory was issued for Wednesday to highlight potential Heat Risk concerns. As always, the temperature battleground will be between the coast and interior with large temperature spreads.

Unlike the last heat event this round of heat appears to be only two days. The ridge breaks down on by Thursday as the upper low begins to move slowly inland. Minor cooling across the interior Thursday, but widespread cooling on Friday. Cannot rule out an isolated shower as the low moves inland Friday, but moisture seems lacking.

There also remains the potential for unsettled, wet weather conditions from late Friday into Saturday, yet confidence remains low for widespread precipitation at this time.

AVIATION. As of 4:41 PM PDT Monday . Warmer air aloft is compressing the marine layer while a light drier north to northeast flow develops tonight. Clouds are reforming in patches along the coast and may impact the MRY Bay Area terminals but high confidence of VFR conditions in the SFO Bay Area.

Vicinity of KSFO . VFR with high clouds. West to northwest winds 15-20 kt decreasing after 04Z.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Patchy stratus developing in the MRY Bay. MVFR cigs spreading into MRY after 02Z and into SNS after 04Z. Early clearing expected Tuesday morning. Northwest winds 10-12 kt decreasing after 03Z.

MARINE. as of 04:32 PM PDT Monday . Moderate to fresh northwest conditions will continue through tonight then begin to ease. A mix of short period northwesterly and long period southwesterly waves will maintain a mixed sea state through the week.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . Pt Arena to Pt Reyes 0-10 nm until 9 PM SCA . Pigeon Pt to Pt Pinos 0-10 nm until 9 PM SCA . Pt Arena to Pigeon Pt 10-60 nm SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm until 3 AM



PUBLIC FORECAST: MM AVIATION: W Pi MARINE: B Garcia

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTYC1 - 9414523 - Redwood City, CA 7 mi51 min W 12 G 15 69°F 73°F1015.3 hPa
AAMC1 - 9414750 - Alameda, CA 26 mi51 min WNW 7 G 8.9 65°F 70°F1015.2 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 28 mi51 min Calm G 2.9
LNDC1 28 mi51 min WSW 7 G 8 65°F 1015.1 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 29 mi51 min WSW 9.9 G 17 63°F 1014 hPa
OBXC1 29 mi51 min 64°F 55°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 29 mi51 min W 9.9 G 11 64°F 1015.1 hPa
PXSC1 30 mi51 min 64°F 54°F
FTPC1 - 9414290 - San Francisco, CA 31 mi51 min 63°F
46237 - San Francisco Bar, CA (142) 35 mi69 min 58°F5 ft
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 36 mi39 min NW 12 G 16 56°F 55°F1016.7 hPa54°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 36 mi35 min SW 7 67°F 1014 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 36 mi51 min SSW 11 G 16 63°F 1015.1 hPa
RCMC1 - 9414863 - Richmond, CA 38 mi51 min SE 2.9 G 8 68°F 65°F1014.4 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 41 mi39 min WNW 12 G 16 56°F 56°F1016.1 hPa54°F
MZXC1 - 9415102 - Martinez-Amorco CA 44 mi51 min WNW 11 G 12 76°F 71°F1013.7 hPa
UPBC1 44 mi51 min WNW 9.9 G 13
46042 - MONTEREY - 27NM West of Monterey Bay, CA 44 mi39 min NW 19 G 23 57°F 59°F1015.9 hPa54°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 45 mi51 min SW 8.9 G 11 73°F 1013.8 hPa
PCOC1 - 9415144 - Port Chicago, CA 46 mi51 min W 12 G 14 76°F 72°F1013.3 hPa
46092 - MBM1 46 mi101 min WNW 12 56°F 58°F1015.8 hPa (-1.0)
MLSC1 - Moss Landing, South Harbor, CA 47 mi123 min W 8 G 22 57°F 1016.3 hPa53°F
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 47 mi51 min NW 8.9 G 13
ELXC1 - Elkhorn Slough Reserve, CA 48 mi84 min W 4.1 59°F 55°F
46114 - West Monterey Bay, CA 49 mi39 min 58°F6 ft

Wind History for Redwood City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Palo Alto Airport, CA7 mi3.4 hrsNNW 1610.00 miPartly Cloudy73°F55°F53%1015.2 hPa
San Carlos Airport, CA9 mi71 minWSW 1010.00 miPartly Cloudy72°F48°F44%1015.2 hPa
San Jose, San Jose International Airport, CA15 mi16 minNNW 1310.00 miPartly Cloudy72°F51°F48%1014.5 hPa
San Francisco, San Francisco International Airport, CA17 mi13 minW 1510.00 miPartly Cloudy64°F51°F63%1015 hPa
Half Moon Bay Airport, CA17 mi14 minNW 75.00 miFog/Mist57°F53°F88%1016.3 hPa
Hayward, Hayward Air Terminal, CA19 mi15 minWNW 810.00 miFair68°F52°F57%1015.7 hPa
Oakland, Metro Oakland International Airport, CA21 mi16 minWNW 1210.00 miPartly Cloudy68°F53°F59%1015.1 hPa
San Jose / Reid / Hillv, CA21 mi82 minWNW 1110.00 miPartly Cloudy77°F50°F39%1014.6 hPa

Link to 5 minute data for KPAO

Wind History from PAO (wind in knots)
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Last 24hrN14----------------------------3N45N8N11N11N12N14N16
1 day ago--------------------------------W3N7N6N5N8N10N11--
2 days ago--------------------------------SE7SE9SE7SE10Calm5S9S9

Tide / Current Tables for Palo Alto Yacht Harbor, California
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Palo Alto Yacht Harbor
Click for Map
Mon -- 03:17 AM PDT     Moonset
Mon -- 04:31 AM PDT     0.97 feet Low Tide
Mon -- 05:48 AM PDT     Sunrise
Mon -- 09:41 AM PDT     6.70 feet High Tide
Mon -- 03:54 PM PDT     Moonrise
Mon -- 04:30 PM PDT     0.83 feet Low Tide
Mon -- 08:24 PM PDT     Sunset
Mon -- 10:14 PM PDT     8.35 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.94.63.21.91.11.12.13.75.46.56.76.153.92.71.60.90.91.93.75.97.68.38.1

Tide / Current Tables for Dumbarton Hwy Bridge, South San Francisco Bay, California Current
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Dumbarton Hwy Bridge
Click for Map
Mon -- 01:16 AM PDT     -1.07 knots Max Ebb
Mon -- 03:17 AM PDT     Moonset
Mon -- 04:38 AM PDT     0.01 knots Slack
Mon -- 05:48 AM PDT     Sunrise
Mon -- 07:36 AM PDT     1.41 knots Max Flood
Mon -- 10:23 AM PDT     -0.00 knots Slack
Mon -- 01:31 PM PDT     -0.97 knots Max Ebb
Mon -- 03:54 PM PDT     Moonrise
Mon -- 04:34 PM PDT     0.00 knots Slack
Mon -- 07:47 PM PDT     1.73 knots Max Flood
Mon -- 08:24 PM PDT     Sunset
Mon -- 10:41 PM PDT     -0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.9-1.1-1-0.7-0.30.311.31.41.10.4-0.3-0.7-0.9-0.9-0.7-0.30.31.11.61.71.40.7-0.2

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (22,6,7,8)
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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.