Thursday, July29, 2021
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Marine Weather and Tides
Tomales, 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 6:09AMSunset 8:24PM Thursday July 29, 2021 12:59 AM PDT (07:59 UTC) Moonrise 10:54PMMoonset 11:00AM Illumination 75% Phase: Waning Gibbous; Moon at 20 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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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 852 Pm Pdt Wed Jul 28 2021
Tonight..NW winds 10 to 15 kt. Wind waves around 3 ft. SWell S around 2 ft at 13 seconds.
Thu..W winds 5 to 10 kt. Wind waves 3 to 4 ft. SWell S around 2 ft at 13 seconds.
Thu night..W winds 10 to 15 kt. Wind waves 4 to 5 ft. SWell S around 2 ft at 13 seconds.
Fri..SW winds 5 to 10 kt. Wind waves 4 to 5 ft. SWell S around 2 ft at 13 seconds.
Fri night..S winds 5 to 10 kt. Wind waves 4 to 5 ft. SWell S around 2 ft at 13 seconds.
Sat..S winds 5 to 10 kt. Wind waves 4 to 5 ft. SWell S around 2 ft at 15 seconds.
Sat night..NW winds 5 to 10 kt. Wind waves 4 to 5 ft. SWell S around 2 ft at 14 seconds.
Sun..NW winds 10 to 15 kt. Wind waves 5 to 6 ft. SWell S around 2 ft.
Mon..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 5 to 6 ft. SWell S around 2 ft.
PZZ500 852 Pm Pdt Wed Jul 28 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light northwest winds over the waters through the end of the week. Stronger wind gusts can be expected through the golden gate gap into the san francisco bay Thursday afternoon and evening. These winds will generate steep wind waves that may be hazardous for smaller vessels. A moderate period southerly swell persists in the waters as northwest winds remain light generating wind waves around 7 to 9 seconds. Winds start to increase this weekend.


7 Day Forecast for Marine Location Near Tomales, CA
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location: 38.19, -122.92     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 290608 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 1108 PM PDT Wed Jul 28 2021

SYNOPSIS. Seasonably warm weather pattern continues inland through Friday with high pressure over the region. A shallow marine layer will persist along the coast keeping temperatures seasonably mild near the coast and bays. A modest cooling trend starts this weekend for inland areas as onshore winds strengthen and the marine layer deepens along the coast.

DISCUSSION. as of 09:34 PM PDT Wednesday . It was another day of near normal to slightly above normal temps at the coast and significantly above normal temps inland. We reached the upper 90s in East Bay sites such as Concord and Livermore, and 100+ at Pinnacles NP and Parkfield. Pretty much a repeat of yesterday. One thing to note . there was a firestart near the west entrance of Pinnacles late this afternoon. The fire, estimated at 100 acres, is burning strongly and the smoke was visible on satellite. Another unpleasant reminder of the precarious situation with our extremely dry fuels inland and at elevation.

GOES-17 night imagery is showing scattered high clouds drifting northward, along with coastal stratus moving into its typical coastal locations for this time of night. Marine inversion is sitting around 1400 ft, per the Fort Ord profiler, and slightly lower at Bodega Bay. The steady marine layer with onshore flow will ensure another night of stratus intrusion around the bays and coastal locations.

Not much change in store for tomorrow as coastal stratus burns off by mid morning and onshore winds resume. The main synoptic feature continues to be dominant high pressure over the central CONUS, keeping the interior hot and dry, and monsoonal moisture over the Sierra and Great Basin.

A cooldown begins this weekend as a deepening trough offshore moves closer to the coast, resulting in a deeper marine layer and more inland penetration of cool air. In reality, not much of a change near the coast, but significantly "cooler" inland, or a return to more seasonable temperatures. Ensembles are not indicating any major pattern changes for the beginning of August.

AVIATION. as of 11:15 PM PDT Wednesday . For the 06z TAFs Another batch of high clouds look to inhibit the moment of stratus clous tonight. Monterey Bay terminals have already gone IFR an should stay there through the night, with only a few moments of scattered clouds. OAK will also fall to IFR in the late night but the other TAF sites should remain VFR. Winds will remain mild through the night but will begin to increase into Thursday morning. Cloud cover around the SF Bay will clear much sooner than the Monterey Bay meaning OAK will return to VFR in the early to mid morning, while MRY and SNS will go VFR closer to noon. Expect a mostly clear Thursday afternoon with moderate westerly winds.

Vicinity of KSFO . VFR through the TAF period. Expect few to scattered low clouds through the night, filling in over OAK but not SFO. Winds remain mild until Thursday afternoon with peak winds from the Northwest around 19 kts. These winds look to last through that evening but back off into Thursday night.

KSFO Bridge Approach . Similar to KSFO.

Monterey Bay . IFR through the night and most of Thursday morning. Winds remain weak and variable through the morning, before becoming more moderate in the afternoon. Stratus persists through Wednesday morning but looks to thin around noon, leading to VFR. Winds weaken and stratus returns in the late evening and early night leading to IFR around the Monterey Bay overnight.

MARINE. as of 11:05 PM PDT Wednesday . Light northwest winds over the waters through the end of the week. Stronger wind gusts can be expected through the Golden Gate gap into the San Francisco Bay Thursday afternoon and evening. These winds will generate steep wind waves that may be hazardous for smaller vessels. A moderate period southerly swell persists in the waters as northwest winds remain light generating wind waves around 7 to 9 seconds. Winds start to increase this weekend.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. NONE.



PUBLIC FORECAST: Lorber AVIATION: Murdock MARINE: Dhuyvetter

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BDXC1 12 mi113 min 59°F
PRYC1 - 9415020 - Point Reyes, CA 14 mi59 min 58°F1016.3 hPa (+0.0)
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 30 mi39 min WSW 5.8 G 7.8 59°F1016.4 hPa
46237 - San Francisco Bar, CA (142) 32 mi59 min 59°F3 ft
TIBC1 - Tiburon Pier, San Francisco Bay, CA 32 mi48 min W 7 57°F 1015 hPa
RCMC1 - 9414863 - Richmond, CA 33 mi59 min S 4.1 G 6 60°F 63°F1015.5 hPa (+0.0)
46214 - Point Reyes, CA (029) 34 mi63 min 57°F4 ft
PPXC1 - 9414847 - Richmond (Point Potrero), CA 35 mi59 min S 18 G 21 59°F 1015.8 hPa (+0.0)
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 36 mi59 min WSW 11 G 14 60°F 1014.7 hPa (+0.6)
FTPC1 - 9414290 - San Francisco, CA 36 mi59 min WSW 4.1 G 8.9 56°F 62°F1015.9 hPa (+0.0)
CQUC1 38 mi64 min 68°F
PXSC1 39 mi59 min 58°F 58°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 39 mi59 min W 1.9 G 7 56°F 1014.9 hPa (+0.0)
OKXC1 - 9414776 - Oakland (Berth 34), CA 41 mi59 min W 7 G 9.9 58°F 1015.9 hPa (+0.0)
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 41 mi59 min W 6 G 8
OBXC1 41 mi59 min 58°F
MZXC1 - 9415102 - Martinez-Amorco CA 43 mi59 min WNW 13 G 16 64°F 69°F1014.4 hPa (+0.4)
LNDC1 43 mi59 min W 1.9 G 4.1 59°F 1015.8 hPa (+0.0)
AAMC1 - 9414750 - Alameda, CA 44 mi59 min W 6 G 8 58°F 69°F1016.3 hPa (+0.0)
UPBC1 44 mi59 min WNW 12 G 14
SFXC1 - San Francisco Bay Reserve, CA 47 mi74 min W 17 65°F 1014 hPa56°F
PCOC1 - 9415144 - Port Chicago, CA 48 mi59 min W 16 G 19 67°F 69°F1013.9 hPa (+0.3)

Wind History for Point Reyes, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Petaluma Municipal Airport, CA17 mi64 minVar 5 G 109.00 miOvercast55°F55°F100%1015.9 hPa
Novato / Gnoss Field, CA20 mi64 minN 1010.00 miFair59°F55°F88%1014.9 hPa
Santa Rosa, Santa Rosa Sonoma County Airport, CA23 mi66 minSSE 410.00 miFair56°F53°F90%1014.7 hPa

Link to 5 minute data for KO69

Wind History from O69 (wind in knots)
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Last 24hrNW3NW44W6W54NW4CalmW53Calm5
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NW465NW6NW6
1 day agoW5W4CalmCalmCalmCalmW5W4CalmCalmCalmW44W4W8W9W12W11NW764NW3N4NW4
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Tide / Current Tables for Blakes Landing, Tomales Bay, California
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Blakes Landing
Click for Map
Thu -- 04:17 AM PDT     4.13 feet High Tide
Thu -- 06:12 AM PDT     Sunrise
Thu -- 11:12 AM PDT     0.65 feet Low Tide
Thu -- 12:00 PM PDT     Moonset
Thu -- 05:29 PM PDT     4.65 feet High Tide
Thu -- 08:23 PM PDT     Sunset
Thu -- 11:53 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.92.43.13.74.143.732.21.50.90.70.81.42.33.34.14.64.64.33.732.31.8

Tide / Current Tables for Point Reyes, California Current
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Point Reyes
Click for Map
Thu -- 01:35 AM PDT     0.69 knots Max Flood
Thu -- 04:29 AM PDT     -0.00 knots Slack
Thu -- 06:12 AM PDT     Sunrise
Thu -- 07:22 AM PDT     -0.99 knots Max Ebb
Thu -- 11:07 AM PDT     0.00 knots Slack
Thu -- 12:00 PM PDT     Moonset
Thu -- 02:06 PM PDT     0.85 knots Max Flood
Thu -- 05:20 PM PDT     -0.00 knots Slack
Thu -- 08:00 PM PDT     -0.86 knots Max Ebb
Thu -- 08:23 PM PDT     Sunset
Thu -- 11:53 PM PDT     Moonrise
Thu -- 11:56 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.70.70.50.2-0.2-0.7-1-0.9-0.7-0.4-0.10.40.70.90.80.50.2-0.3-0.7-0.9-0.8-0.6-0.3

Weather Map
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GEOS Local Image of CentralWestCoast    EDIT
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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