Monday, October18, 2021
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Marine Weather and Tides
Davenport, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:17AMSunset 6:28PM Monday October 18, 2021 12:08 PM PDT (19:08 UTC) Moonrise 4:56PMMoonset 4:19AM Illumination 94% Phase: Waxing Gibbous; Moon at 13 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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PZZ560 Coastal Waters From Pigeon Point To Point Pinos California Out To 10 Nm- 846 Am Pdt Mon Oct 18 2021
Today..NW winds 10 to 20 kt. Gusts up to 25 kt this afternoon. Wind waves 1 to 2 ft. W swell 5 to 7 ft at 12 seconds.
Tonight..N winds 10 to 15 kt. Wind waves 1 ft. NW swell 6 to 8 ft at 12 seconds and S around 2 ft at 14 seconds.
Tue..SE winds 5 to 10 kt. Wind waves 1 ft. NW swell 4 to 6 ft at 12 seconds and S around 2 ft at 14 seconds.
Tue night..S winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. Mixed swell nw 2 to 4 ft at 11 seconds and S around 2 ft at 13 seconds. Rain likely.
Wed..SE winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. W swell 6 to 8 ft at 14 seconds and S around 2 ft at 13 seconds. Rain likely.
Wed night..SE winds 15 to 20 kt with gusts up to 25 kt. Wind waves 1 to 2 ft. W swell 7 to 9 ft at 13 seconds and S around 2 ft at 14 seconds. A chance of rain.
Thu..S winds 10 to 15 kt. Wind waves 1 to 2 ft. W swell 6 to 8 ft and S around 2 ft. A chance of rain.
Fri..NW winds 5 to 10 kt. Wind waves 1 ft. W swell 8 to 10 ft and S around 2 ft. A chance of rain.
PZZ500 846 Am Pdt Mon Oct 18 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate post-frontal northwest winds prevail on Monday. The next front with additional rain chances approaches the waters on Tuesday afternoon, causing the winds to shift to the south, strengthening Tuesday night into Wednesday morning when gale force gusts will be possible over the northern outer waters. These winds will generate steep waves resulting in hazardous seas conditions, particularly for smaller vessels. Southerly winds will ease Wednesday and then persist through much of the forecast period. Seas remain out of the northwest with a weaker southerly swell. The primary swell will shift to more westerly by mid week.


7 Day Forecast for Marine Location Near Davenport, CA
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location: 37.01, -122.2     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 181826 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 1126 AM PDT Mon Oct 18 2021

SYNOPSIS. Cooler conditions persist this week with rain chances returning Tuesday. Additional rain chances will arrive Thursday evening and again next weekend.

DISCUSSION. as of 09:00 AM PDT Monday . Shower activity continues to wind down across the region. KMUX radar shows a few isolated showers over the coastal waters and inland areas south of San Jose. Did a brief update this morning to include some lingering isolated showers through early this morning. After 18Z not expecting much precipitation at all. The cold front that brought last night's rain continues to march S and E through far SoCal this morning. In its wake a cool and breezy day is in store for the Bay Area.

The afternoon forecast will be focused on the upcoming wet pattern. A quick look at the latest information shows the storm door will remain open well into next week. There are some indications that medium range models are showing the first notable AR of the season next week. Hopefully the 12Z model runs will shed more light on the forecast. If you have any outdoor plans this week check our forecast often as active weather is looking more likely.

PREV DISCUSSION. as of 03:52 AM PDT Monday . The cold front has begun to move more inland, and is taking the last few showers with it. Rain fall totals ran from a a few hundredths to 0.20" at lower elevations and the higher elevations in Northwestern Sonoma Co approaching the 0.50" mark.

Expect a mild start to the work week with lows ranging from the upper 30s in the interior valleys to the low 50s along the coast and light winds. Onshore flow will keep temperatures cool for the afternoon with highs peaking in the 60s for most areas.

The main focus of the forecast will be the wetter conditions expected in the mid week followed by a cavalcade of rain chances in the mid to long term forecast.

There is strong agreement amongst deterministic models and ensemble families for the next batch of rain to move in along a front Tuesday evening going into that night. This system looks to offer more rainfall than the Sunday evening system with this system taking a longer time to push out of the area. Rainfall amounts look to range as follows:

up to 2.5" coastal mountains in Sonoma Co 0.50" to 1.5" for interior North Bay 0.25" to .75" around the SF Bay and up to 0.25" around Monterey and San Benito counties.

Some showers could linger into Thursday ahead of another tongue of moisture offering even more showers for Thursday evening lasting into Friday morning. The associated trough from this system will be moving through at a quicker pace, but still looks to offer plenty of moisture and reaches relatively weak AR territory. The North Bay again will have the higher rainfall amounts. Higher elevations of the North Bay could see an additional inch of rainfall by Friday morning, with amounts trailing to just a few hundredths further to the South around the Monterey Bay.

Friday afternoon offers a brief respite from the rain chances, but the weekend continues the trend wet conditions.

Model and ensembles continue to craft a wet forecast in the long term as they hint at rain returning Saturday evening and clustering the next few systems into the next work week. Arguments between ensemble families are more with rainfall amounts, but are in agreement that more wetting rains will continue into next week. Even some of the more pessimistic ensemble members are offering fair amounts. The end of October is certainly looking similar to what is expected in February, be sure to keep up with the rain forecasts!

AVIATION. as of 11:20 AM PDT Monday . For the 18z TAFs. Mix of VFR and MVFR conditions currently. Lingering moisture from yesterday's cold front passage has resulted in some low/mid level clouds (between 2000-5000 ft AGL), bringing periods of MVFR CIGs to Bay Area terminals. We could continue to see a teetering of MVFR and VFR conditions. Clouds increasing and persisting this afternoon but moving off to the southeast, as indicated via satellite. Higher clouds move in this evening. Surface winds to be westerly and moderate (10-15 kts) through the afternoon and evening today. Towards the end of the TAF period, Bay Area terminals will start to see more southerly winds ahead of an incoming front that will arrive Tuesday evening.

Vicinity of KSFO . MVFR prevailing with lingering low/mid level clouds in the area. Tempo group for KSFO the next few hours to account for the potential intermittent clearing of clouds. Onshore winds this afternoon around 15 kt. Slight chance of patchy low clouds and MVFR CIGs developing overnight tonight into Tuesday morning.

KSFO Bridge Approach . Similar to KSFO.

Monterey Bay . VFR conditions prevailing but could see some intermittent MVFR with lingering low level moisture has resulted in some patchy low clouds. However satellite shows clearing in the Monterey Bay but could get occasional patchy clouds still. VFR conditions then through the rest of the period.

MARINE. as of 08:39 AM PDT Monday . Moderate post-frontal northwest winds prevail on Monday. The next front with additional rain chances approaches the waters on Tuesday afternoon, causing the winds to shift to the south, strengthening Tuesday night into Wednesday morning when gale force gusts will be possible over the northern outer waters. These winds will generate steep waves resulting in hazardous seas conditions, particularly for smaller vessels. Southerly winds will ease Wednesday and then persist through much of the forecast period. Seas remain out of the northwest with a weaker southerly swell. The primary swell will shift to more westerly by mid week.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. NONE.



PUBLIC FORECAST: MM/Murdock AVIATION: McCorkle MARINE: DK

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46269 10 mi68 min 55°F 56°F4 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 19 mi38 min NW 9.7G12 57°F 57°F1018.6 hPa
46092 - MBM1 20 mi53 min ESE 7.8 55°F 57°F1017.9 hPa (+1.8)
46114 - West Monterey Bay, CA 23 mi42 min 57°F7 ft
MLSC1 - Moss Landing, South Harbor, CA 26 mi38 min W 4.1 56°F 48°F
ELXC1 - Elkhorn Slough Reserve, CA 28 mi83 min W 4.1 58°F 1020 hPa49°F
46240 - Cabrillo Point, Monterey Bay, CA (158) 31 mi42 min 56°F3 ft
MEYC1 32 mi92 min N 6G7 55°F 57°F1018.6 hPa
RTYC1 - 9414523 - Redwood City, CA 34 mi68 min W 8G12 57°F 1018.7 hPa (+1.1)
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 43 mi48 min NW 7.8G14 55°F 1018.6 hPa50°F
46239 - Point Sur, CA (157) 47 mi42 min 56°F6 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA22 mi75 minWSW 610.00 miMostly Cloudy59°F46°F62%1018.2 hPa

Link to 5 minute data for KWVI

Wind History from WVI (wind in knots)
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1 day agoS4SW10W11W9W9W4NW4W400N3N6N4NW300NW4N4N4NW30S4S6S7
2 days agoSE5--W8
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Tide / Current Tables for Ano Nuevo Island, California
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Ano Nuevo Island
Click for Map
Mon -- 03:23 AM PDT     0.48 feet Low Tide
Mon -- 05:20 AM PDT     Moonset
Mon -- 07:20 AM PDT     Sunrise
Mon -- 09:48 AM PDT     5.06 feet High Tide
Mon -- 04:00 PM PDT     0.85 feet Low Tide
Mon -- 05:56 PM PDT     Moonrise
Mon -- 06:27 PM PDT     Sunset
Mon -- 09:57 PM PDT     4.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Santa Cruz, California
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Santa Cruz
Click for Map
Mon -- 03:26 AM PDT     0.45 feet Low Tide
Mon -- 05:19 AM PDT     Moonset
Mon -- 07:18 AM PDT     Sunrise
Mon -- 10:11 AM PDT     5.09 feet High Tide
Mon -- 04:03 PM PDT     0.80 feet Low Tide
Mon -- 05:55 PM PDT     Moonrise
Mon -- 06:26 PM PDT     Sunset
Mon -- 10:16 PM PDT     4.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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