Friday, April10, 2020
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Marine Weather and Tides
Pacific Grove, 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 6:38AMSunset 7:39PM Friday April 10, 2020 3:08 AM PDT (10:08 UTC) Moonrise 10:05PMMoonset 7:40AM Illumination 93% Phase: Waning Gibbous; Moon at 17 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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PZZ535 Monterey Bay- 243 Am Pdt Fri Apr 10 2020
Today..W winds up to 10 kt, increasing to 10 to 20 kt with gusts up to 25 kt this afternoon. Wind waves 1 to 2 ft. W swell around 3 ft at 12 seconds and sw 2 to 3 ft at 15 seconds.
Tonight..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 to 3 ft. W swell around 3 ft at 11 seconds and sw 2 to 3 ft at 15 seconds.
Sat..W winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 3 to 4 ft at 9 seconds and sw around 2 ft at 14 seconds.
Sat night..W winds 5 to 10 kt. Wind waves 1 ft. W swell around 5 ft at 8 seconds and sw around 2 ft at 14 seconds.
Sun..W winds 5 to 10 kt. Wind waves 1 ft. W swell around 5 ft at 9 seconds and S around 2 ft at 13 seconds.
Sun night..W winds 10 to 20 kt. Wind waves 1 to 2 ft. W swell around 5 ft at 10 seconds.
Mon..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell around 5 ft.
Tue..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 5 to 6 ft and sw around 2 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 243 Am Pdt Fri Apr 10 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Winds have switched back to the northwest. Friday will have stronger winds along the big sur coast, but gradually winds will increase across all waters Saturday and Sunday as high pressure builds. A long period southerly swell will mix with a moderate northwest swell through Friday.


7 Day Forecast for Marine Location Near Pacific Grove, CA
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location: 36.64, -121.89     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 100945 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 245 AM PDT Fri Apr 10 2020

SYNOPSIS. Band of showers stretching from Santa Clara county southwest towards Monterey county will dissipate shortly after sunrise this morning. Otherwise look for mostly cloudy and continued near or slightly below normal temperatures in the 60s today. A gradual warming trend through the weekend and into early next week with no rain in the forecast at this time. Inland areas will warm into the 70s to around 80 degrees. Long range models indicate light rain chances may return around the weekend of April 18-19th.

DISCUSSION. as of 2:45 AM PDT Friday . Band of light showers is stretched across the region from Santa Clara county down along the Big Sur coastline. Light rain started falling just before midnight for places like Watsonville and Monterey with a few hundredths being reported. This jet streak is rotating around the upper low over Southern California and forcing for ascent is modeled to end quickly with most showers ending between 12-14z. Elsewhere skies are mostly cloudy with abundant low level moisture and clouds in place keeping overnight lows mild with 2 am temperatures in the 50s.

The upper low wont bring us any more precip today but model cross sections show plenty of clouds through the day with the most sunshine forecast over the North Bay. The airmass will be modifying as the core of the low slowly exits our region allowing for seasonably mild afternoon highs into the mid and upper 60s.

As the low finally ejects a ridge of high pressure over the Eastern Pacific will nudge towards the coast. A deep trough over the eastern half of the country will keep the ridge axis offshore keeping any serious warming in check. Nonetheless after a relatively cool last few weeks we should see noted warming with highs back into the 70s and even some lower 80s into next week. Onshore flow near the coast will keep lower 60s in place at the beaches with cold sea surface temps around 52-53.

The MJO is forecast to strengthen and move into phase 2 about one week from now with some of the PNA ensembles showing a negative phase heading into next weekend. The operational gfs and ecmwf bring a weak trough onshore for the weekend of April 18-19th while the blend of models has PoPs around 5%.

AVIATION. as of 10:30 PM PDT Thursday . Mostly cloudy tonight with cigs lowering to MVFR range as models show abundant low-level moisture through Friday morning. A few showers rotating around the low over southern California will bring a chance for showers from the Santa Clara Valley and East Bay valley south through Friday morning.

Vicinity of KSFO . Cigs 4000-5000 ft lowering to around 1500 ft after 09Z. Light west to southwest wind becoming southeast after 06Z.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . MVFR cigs through 21Z. A few light showers 08Z-18Z.

MARINE. as of 2:45 AM PDT Friday . Winds have switched back to the northwest. Friday will have stronger winds along the Big Sur coast, but gradually winds will increase across all waters Saturday and Sunday as high pressure builds. A long period southerly swell will mix with a moderate northwest swell through Friday.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. NONE.



PUBLIC FORECAST: RWW AVIATION: DK MARINE: DK

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46240 - Cabrillo Point, Monterey Bay, CA (158) 1 mi38 min 57°F2 ft
MEYC1 2 mi92 min SSE 2.9 G 4.1 54°F 58°F1018.9 hPa
ELXC1 - Elkhorn Slough Reserve, CA 15 mi83 min N 2.9 53°F 53°F
46239 - Point Sur, CA (157) 23 mi38 min 54°F5 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 29 mi38 min W 1.9 G 3.9 55°F1019 hPa

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA4 mi74 minESE 310.00 miLight Rain57°F52°F83%1020.1 hPa
Salinas, Salinas Municipal Airport, CA15 mi75 minN 810.00 miOvercast54°F52°F93%1019.5 hPa
Watsonville, Watsonville Municipal Airport, CA21 mi75 minN 010.00 miLight Rain54°F52°F93%1019 hPa

Link to 5 minute data for KMRY

Wind History from MRY (wind in knots)
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Last 24hrNE4SE5E3CalmSE3E3E3CalmN5NW6NW7N5N5N8N3N4NW4W4CalmCalmE4E3SE3E3
1 day agoW6W8SW4W4CalmSW3SW5W7W8W11
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2 days agoSE5SE8SE7SE6SE7E5E3Calm5NE7NW8NW9NW11NW10NW12NW8W8W8CalmNW9W4SW4S4SW3

Tide / Current Tables for Monterey, Monterey Harbor, California
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Monterey
Click for Map
Fri -- 12:18 AM PDT     5.86 feet High Tide
Fri -- 06:39 AM PDT     Sunrise
Fri -- 07:11 AM PDT     -0.69 feet Low Tide
Fri -- 08:39 AM PDT     Moonset
Fri -- 01:36 PM PDT     4.15 feet High Tide
Fri -- 06:48 PM PDT     1.63 feet Low Tide
Fri -- 07:38 PM PDT     Sunset
Fri -- 11:05 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.85.74.93.72.20.8-0.2-0.7-0.50.31.42.53.54.14.13.732.31.81.622.73.74.7

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Fri -- 02:14 AM PDT     -0.00 knots Slack
Fri -- 05:24 AM PDT     -1.06 knots Max Ebb
Fri -- 06:39 AM PDT     Sunrise
Fri -- 08:39 AM PDT     Moonset
Fri -- 09:09 AM PDT     0.00 knots Slack
Fri -- 12:10 PM PDT     0.85 knots Max Flood
Fri -- 03:33 PM PDT     -0.00 knots Slack
Fri -- 05:57 PM PDT     -0.63 knots Max Ebb
Fri -- 07:38 PM PDT     Sunset
Fri -- 09:13 PM PDT     0.00 knots Slack
Fri -- 11:05 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.40.1-0.3-0.8-1-1-0.8-0.5-0.10.40.70.80.80.60.2-0.2-0.5-0.6-0.5-0.3-0.10.20.5

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 (6,6,7,8)
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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.