Wednesday, July8, 2020
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Marine Weather and Tides
Gonzales, 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 8:27PM Wednesday July 8, 2020 3:21 PM PDT (22:21 UTC) Moonrise 10:17PMMoonset 8:18AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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- 200 Pm Pdt Wed Jul 8 2020
Rest of today..W winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 to 3 ft. W swell 2 to 3 ft at 9 seconds and S around 2 ft at 14 seconds.
Tonight..W winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 3 ft at 10 seconds and S around 2 ft at 14 seconds.
Thu..SW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 3 ft at 10 seconds.
Thu night..W winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 3 ft at 9 seconds.
Fri..W winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 2 to 3 ft at 9 seconds.
Fri night..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 4 ft at 8 seconds.
Sat..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. W swell 2 to 4 ft.
Sun..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 4 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 200 Pm Pdt Wed Jul 8 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate to gusty northwest winds will continue across the coastal waters the rest of today and tonight as high pressure remains over the eastern pacific. These winds will generate steep fresh swell resulting in hazardous seas conditions, particularly for smaller vessels. Winds will gradually diminish tomorrow night and Friday over much of the waters, though locally breezy conditions are still expected over the northern outer waters. Mixed seas will persist with a shorter period wind driven northwest wave and a more moderate period southerly swell.


7 Day Forecast for Marine Location Near Gonzales, CA
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location: 36.54, -121.46     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 082045 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 145 PM PDT Wed Jul 8 2020

SYNOPSIS. A warming and drying trend will occur through late week and into the upcoming weekend, especially across the interior. Meanwhile, seasonable conditions are likely near the coast with periods of night and morning low clouds giving way to mostly sunny afternoon conditions.

DISCUSSION. as of 01:34 PM PDT Wednesday . A region-wide warming trend is well underway this afternoon with temperatures running a few to as much as 10 degrees warmer compared to 24 hours ago. With this, look for widespread 80s to mid 90s across the interior. Meanwhile, stratus continues to hold steady near the Pacific from the San Mateo County coast southward down the Monterey County coast. Overnight, the marine layer will remain in place and result in coastal stratus spreading back inland into adjacent coastal valleys, especially around the Monterey Bay and into the Salinas Valley. Similar to previous nights, a strong north-south pressure gradient will likely keep low clouds out of the North Bay and interior portions of the San Francisco Bay Area.

The gradual warming trend will persist through late week and into the upcoming weekend as high pressure over the Desert Southwest strengthens. Forecast models continue to indicate oppressive heat for that region and into southeastern California, especially Friday into Saturday. However, onshore flow in the boundary layer will keep temperatures in check across the San Francisco Bay Area and Central Coast. That said, do expect the region's warmest interior locations such as Lake Berryessa and Pinnacles National Park to reach between 100-103 deg F late in the week. In addition, the warm air mass aloft will keep mild and dry conditions in the hills each night while cooler marine air will cool conditions near the coast and into the coastal valleys. Do expect some day-to-day fluctuations in the marine layer and therefore the amount of low clouds each night/morning.

Medium range forecast guidance and ensembles indicates the ridge of high pressure over the Four Corners will weaken in response to troughing over the Pacific Northwest during the first half of next week. This will result in a cooling trend (most notably across the interior) along with breezy onshore winds.

From the previous forecast discussion: One final note from a fire weather standpoint - heightened fire weather conditions will continue across the interior with another round of hot daytime temperatures and mild overnight lows. Additionally, local WRF model shows a brief period of offshore flow over the hills Thursday night leading to decreasing relative humidity recoveries. Needless to say, fire season is here and new fire starts will be possible. Stay fire weather aware.

AVIATION. As of 10:28 AM PDT Wednesday . For 18z tafs. Satellite imagery shows some stratus remains along the San Mateo coast southward through the Monterey Bay Region. VFR conditions through the period for most sites as the marine layer remains fairly disorganized. The Fort Ord Profiler shows around 1500 to 1800 ft AGL around Monterey while the Bodega Bay Profiler shows a much more compressed marine layer at just under 1000 ft AGL. Expecting some return of coastal stratus overnight, though IFR conditions are only currently anticipated around the Monterey Bay taf sites. Light winds this morning increasing and turning onshore this afternoon around 15 kt with locally higher gusts at KSFO.

Vicinity of KSFO . VFR through the period. Breezy in the afternoon with W/NW winds 15-20 kt gusting 25-28 kt after around 21Z. Winds will ease again overnight and tomorrow morning.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Satellite shows stratus retreating back towards the coast. VFR conditions expected within the next hour or so and then to prevail through this evening. Models and guidance suggests that low clouds will return again this evening (~03z- 06z) with IFR conditions prevailing overnight and tomorrow morning.

MARINE. as of 09:00 AM PDT Wednesday . Moderate to gusty northwest winds will persist across the coastal waters today and tonight as high pressure remains over the eastern Pacific. These winds will generate steep fresh swell resulting in hazardous seas conditions, particularly for smaller vessels. Winds will gradually diminish tomorrow and Friday over much of the waters, though locally breezy conditions are still expected over the northern outer waters. Mixed seas will continue with a shorter period wind driven northwest wave and a more moderate period southerly swell.

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



PUBLIC FORECAST: RGass AVIATION: AS MARINE: AS

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MEYC1 23 mi105 min 58°F 64°F1013.7 hPa
46240 - Cabrillo Point, Monterey Bay, CA (158) 24 mi175 min 61°F4 ft
ELXC1 - Elkhorn Slough Reserve, CA 24 mi96 min WNW 6 60°F 55°F
MLSC1 - Moss Landing, South Harbor, CA 25 mi143 min W 8 G 20 56°F 1014 hPa54°F
46239 - Point Sur, CA (157) 36 mi85 min 55°F8 ft
46114 - West Monterey Bay, CA 48 mi85 min 54°F8 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Salinas, Salinas Municipal Airport, CA11 mi28 minNW 139.00 miFair68°F53°F59%1013.6 hPa
Monterey Regional Airport, CA20 mi27 minNW 710.00 miFair66°F53°F63%1014.6 hPa

Link to 5 minute data for KSNS

Wind History from SNS (wind in knots)
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Last 24hrNW13------NW12NW12
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NW10NW10NW6N8NW7NW8W7W5W5SW4S4S4Calm3W6W11NW13NW13
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2 days agoNW11NW13NW11W12NW13NW12NW13N10N9N7N6N8NW6NW8NW7NW7NW9W10W12NW11
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Tide / Current Tables for Monterey, Monterey Harbor, California
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Monterey
Click for Map
Wed -- 12:26 AM PDT     5.60 feet High Tide
Wed -- 05:56 AM PDT     Sunrise
Wed -- 07:52 AM PDT     -0.55 feet Low Tide
Wed -- 09:20 AM PDT     Moonset
Wed -- 02:54 PM PDT     4.15 feet High Tide
Wed -- 07:30 PM PDT     2.88 feet Low Tide
Wed -- 08:28 PM PDT     Sunset
Wed -- 11:18 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.65.5542.81.50.4-0.3-0.5-0.20.51.62.63.544.143.63.22.92.93.23.74.3

Tide / Current Tables for Elkhorn, California
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Elkhorn
Click for Map
Wed -- 12:50 AM PDT     5.38 feet High Tide
Wed -- 05:55 AM PDT     Sunrise
Wed -- 07:59 AM PDT     -0.66 feet Low Tide
Wed -- 09:19 AM PDT     Moonset
Wed -- 03:02 PM PDT     3.99 feet High Tide
Wed -- 07:33 PM PDT     2.67 feet Low Tide
Wed -- 08:28 PM PDT     Sunset
Wed -- 11:18 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.25.45.14.33.11.70.5-0.4-0.7-0.40.41.32.43.23.843.83.432.72.733.54.1

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (18,4,5,8)
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Ground Weather Radar Station San Francisco Bay Area, CA
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