Tuesday, July7, 2020
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Marine Weather and Tides
Elkhorn, 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 5:53AMSunset 8:30PM Tuesday July 7, 2020 2:39 AM PDT (09:39 UTC) Moonrise 9:46PMMoonset 7:18AM Illumination 96% 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- 900 Pm Pdt Mon Jul 6 2020
.small craft advisory in effect from late Tuesday morning through Tuesday evening...
Tonight..NW winds 10 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Wind waves 4 to 6 ft, decreasing to 3 to 4 ft after midnight. NW swell 5 to 7 ft at 10 seconds, decreasing to 3 to 5 ft at 10 seconds after midnight. SWell S around 2 ft.
Tue..W winds 10 to 20 increasing to 15 to 25 kt by late morning. Afternoon gusts to 30 kt. Wind waves 4 to 5 ft. NW swell 3 to 5 ft at 10 seconds and S around 2 ft at 14 seconds.
Tue night..NW winds 15 to 25 kt with gusts up to 30 kt. Winds decreasing to 10 to 20 kt by midnight. Wind waves 3 to 4 ft. NW swell 3 to 5 ft at 9 seconds and S around 2 ft at 14 seconds.
Wed..W winds 5 to 15 kt. Wind waves 2 to 3 ft. NW swell 3 to 5 ft at 9 seconds and S around 2 ft at 14 seconds.
Wed night..W winds up to 10 kt. Wind waves 1 to 2 ft. Mixed swell nw 2 to 4 ft at 8 seconds and S around 2 ft at 14 seconds.
Thu..W winds 5 to 15 kt. Wind waves 1 ft. NW swell 2 to 4 ft at 8 seconds.
Thu night..NW winds 5 to 10 kt. Wind waves 1 ft. NW swell 2 to 4 ft at 9 seconds.
Fri..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 2 to 4 ft.
Sat..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 2 to 3 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 900 Pm Pdt Mon Jul 6 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Steep pressure gradients between strong high pressure well offshore and low pressure over the interior will continue to produce strong and gusty northwest winds across the coastal waters through Tuesday, especially over the near shore waters off the big sur coast where gales will likely continue. These strong northwest winds will also generate steep fresh swell and hazardous seas conditions. Winds will diminish later in the week.


7 Day Forecast for Marine Location Near Elkhorn, CA
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location: 36.82, -121.75     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 070542 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 1042 PM PDT Mon Jul 6 2020

SYNOPSIS. Slightly cooler temperatures will continue into tomorrow as an upper trough moves through the region. This will likely result in the deepening of the marine layer for the immediate coastline. Temperatures are expected to be similar through midweek before warming late in the week and into next weekend as high pressure builds over the region.

DISCUSSION. as of 09:09 PM PDT Monday . The axis of the 567dm 500mb trough has continued its trek towards the Pacific Northwest shoreline, and will move ashore within the next couple of hours. Its effects have been largely pronounced over northern California and the Washington and Oregon coasts, where low clouds and a well- defined marine layer have dominated the area. Back in our CWA the opposite has been the case, with the nearest clouds being over 100 miles off the coast. Despite the clear skies,temperatures across the CWA were cooler than what was observed yesterday, while gusty winds peaked rather early in coastal locations such as SFO, where gusts of 47 mph were reported. Breezy onshore winds have started easing this evening and should continue to do so overnight.

These cooler conditions will continue for tomorrow along the coast as the upper-level trough continues its trek towards Idaho and Montana, with some parts of the interior expected to reach similar high temps as today. Models are also suggesting that with the passage of the trough axis from our CWA we should also expect for the marine layer to return tomorrow, especially along the central coast. As onshore winds pick up and northwesterly flow associated with the trough carry over into the evening, we can expect the marine later to become even more widespread and for the coastal stratus to build back to seasonal levels tomorrow night and through the middle of the week.

Looking ahead to Wednesday and the end of next week, models have maintained agreement with regards to upper-level ridge that is progged to build over the Southwestern US. Both the GFS and ECMWF runs for today have slid the center of the expected 595-599dm 500mb ridge more to the south and east of the 4-corners region. Nevertheless, its influence over our CWA looks to be greater than the next offshore upper-level trough. As a result, we should see warmer conditions to gradually build through the end of the workweek in the interior. The increased zonal flow owing to the upper-level ridge will also allow for the marine layer to stick around longer as is to be expected this time of the year.

AVIATION. As of 10:40 PM PDT Monday . For 06Z TAFS . Locally gusty west to northwest winds will continue to gradually diminish overnight. Patchy MVFR ceilings near the coast at 06Z will become more widespread overnight and spread inland early Tuesday morning as the marine layer deepens. However, not all Bay Area terminals are expected to be impacted. VFR conditions are forecast to develop at all terminals by 18Z Tuesday, except at KMRY where MFVR ceilings may persist longer. Onshore breezes tomorrow afternoon are not expected to be as strong as on Monday.

Vicinity of KSFO . VFR through most of the forecast period. West winds will gust near 30 kt through 09Z and then gradually diminish thereafter. Stratus will likely develop locally into SF Bay late Monday night and MVFR ceilings are possible at the terminal between about 11Z and 15Z, but confidence is low on this point. West winds will increase once again on Tuesday afternoon, but will not be as strong as on Monday.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . MVFR ceilings will become more widespread overnight and then persist until 18Z Tuesday. Also, areas of IFR ceilings possible starting at 09Z and continuing into Tuesday morning. Light to moderate westerly winds will prevail.

MARINE. as of 9:00 PM PDT Monday . Steep pressure gradients between strong high pressure well offshore and low pressure over the interior will continue to produce strong and gusty northwest winds across the coastal waters through Tuesday, especially over the near shore waters off the Big Sur coast where gales will likely continue. These strong northwest winds will also generate steep fresh swell and hazardous seas conditions. Winds will diminish later in the week.

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 Arena to Pigeon Pt 10-60 nm SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm GLW . Pt Pinos to Pt Piedras Blancas 0-10 nm



PUBLIC FORECAST: Diaz/Canepa AVIATION: Dykema MARINE: Dykema

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ELXC1 - Elkhorn Slough Reserve, CA 1 mi54 min SE 5.1 52°F 51°F
MLSC1 - Moss Landing, South Harbor, CA 3 mi154 min NE 1.9 G 6 55°F 1016.1 hPa51°F
46092 - MBM1 16 mi120 min NW 12 55°F 53°F1015.6 hPa (+0.9)
46240 - Cabrillo Point, Monterey Bay, CA (158) 16 mi133 min 61°F3 ft
MEYC1 17 mi63 min W 6 G 8.9 55°F 64°F1016.5 hPa
46114 - West Monterey Bay, CA 33 mi43 min 54°F7 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 34 mi29 min NW 16 G 21 56°F 55°F1016.1 hPa52°F
46239 - Point Sur, CA (157) 38 mi43 min 54°F7 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA9 mi46 minN 010.00 miMostly Cloudy52°F48°F89%1015.8 hPa
Salinas, Salinas Municipal Airport, CA13 mi46 minW 910.00 miFair58°F50°F75%1016.8 hPa
Monterey Regional Airport, CA17 mi45 minWSW 610.00 miPartly Cloudy57°F51°F81%1017.7 hPa
Hollister, CA, CA19 mi44 minN 010.00 miFair52°F46°F82%1015.9 hPa

Link to 5 minute data for KWVI

Wind History from WVI (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmNE4E4Calm4S7S6SE5SE7S8S7S8SE7S8E7E6NE3NE4CalmCalm
1 day agoCalmCalmCalmNW4CalmCalmCalm4SW6SW5S7S8S7S10S8S9S6SE7SE6E4E4E4NE4Calm
2 days agoCalmN3CalmCalmCalmCalmCalm33S6SW7SW8S6S7S7S6S6S6CalmCalmCalmCalmCalmCalm

Tide / Current Tables for Elkhorn, California
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Elkhorn
Click for Map
Tue -- 12:11 AM PDT     5.77 feet High Tide
Tue -- 05:55 AM PDT     Sunrise
Tue -- 07:20 AM PDT     -1.01 feet Low Tide
Tue -- 08:17 AM PDT     Moonset
Tue -- 02:19 PM PDT     3.95 feet High Tide
Tue -- 06:40 PM PDT     2.66 feet Low Tide
Tue -- 08:28 PM PDT     Sunset
Tue -- 10:45 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.85.64.93.72.20.7-0.4-1-0.9-0.20.81.92.93.63.93.93.53.12.72.72.93.54.14.8

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Tue -- 01:50 AM PDT     -0.00 knots Slack
Tue -- 05:10 AM PDT     -1.03 knots Max Ebb
Tue -- 05:56 AM PDT     Sunrise
Tue -- 08:19 AM PDT     Moonset
Tue -- 09:10 AM PDT     0.00 knots Slack
Tue -- 12:15 PM PDT     0.79 knots Max Flood
Tue -- 03:37 PM PDT     -0.00 knots Slack
Tue -- 05:49 PM PDT     -0.46 knots Max Ebb
Tue -- 08:29 PM PDT     Sunset
Tue -- 09:04 PM PDT     0.00 knots Slack
Tue -- 10:45 PM PDT     Moonrise
Tue -- 11:49 PM PDT     0.51 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.3-0.1-0.5-0.9-1-1-0.8-0.5-0.10.30.70.80.80.60.2-0.1-0.4-0.5-0.4-0.2-00.20.5

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (5,6,7,8)
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Ground Weather Radar Station San Francisco Bay Area, CA
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