Monday, August2, 2021
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Marine Weather and Tides
Emeryville, 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 6:11AMSunset 8:19PM Sunday August 1, 2021 9:46 PM PDT (04:46 UTC) Moonrise 12:00AMMoonset 1:54PM Illumination 36% Phase: Waning Crescent; Moon at 24 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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PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 845 Pm Pdt Sun Aug 1 2021 -
.small craft advisory in effect from Monday afternoon through Monday evening...
Tonight..W winds 15 to 20 kt with gusts up to 30 kt.
Mon..SW winds 15 to 20 kt with gusts up to 30 kt.
Mon night..W winds 15 to 20 kt with gusts up to 30 kt.
Tue..SW winds 15 to 20 kt with gusts up to 30 kt.
Tue night..SW winds 15 to 20 kt with gusts up to 25 kt.
Wed..SW winds 15 to 20 kt with gusts up to 30 kt.
Thu..SW winds 10 to 15 kt.
PZZ500 845 Pm Pdt Sun Aug 1 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light to moderate northwest winds continue through Tuesday over most of the waters. Locally breezy winds in the afternoon and evening for the golden gate gap and northward to the delta through mid week. Winds become breezy along the usual coastlines starting Tuesday. Northwest winds will start to strengthen Tuesday night into Wednesday over the outer waters. Wind waves continue to dominate the sea state at 7 to 9 seconds along with a weak to moderate period southerly swell. A weak west to northwest swell will also arrive this week.


7 Day Forecast for Marine Location Near Emeryville, CA
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location: 37.85, -122.29     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 020444 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 944 PM PDT Sun Aug 1 2021

SYNOPSIS. Deep marine layer persists along the coast with seasonable temperatures through Monday. High pressure rebuilds over Southern California Tuesday with inland warming while the marine layer continues along the coast. Coastal troughing returns later in the week.

DISCUSSION. as of 09:31 PM PDT Sunday . No updates to the forecast package this evening. The marine layer is rather deep around 2600 ft and we haven't have much coastal stratus south of San Francisco through the coast of Monterey County. Latest satellite imagery does show that the stratus is starting to spread southward so low clouds will likely impact that section of the coastline during the night hours. Highs today were generally in the low 70s in coastal areas while inland temps ranged mid 70s to mid 80s. The Parkfield and Pinnacles hot spots finally dipped below 100 coming in at 98 and 97, respectively.

PREV DISCUSSION. as of 02:45 PM PDT Sunday . Visible satellite shows low clouds have cleared back to the coast. Even seeing a dry slot developing over the coastal waters from the Central Coast up through the SF Peninsula. Temperatures are similar to slightly cooler than at this time yesterday, owing to a somewhat deeper marine layer with greater extent of morning cloud cover. Overall, conditions will not change much today and Monday as we find ourselves positioned between a high- amplitude monsoonal ridge over the Intermountain West and a deep 500 mb trough offshore with a parent low in the Gulf of Alaska. This setup will ensure a persistent marine layer near 2000 ft and onshore flow near the surface.

Some subtle warming can be expected Tuesday, mainly inland, as high pressure becomes focused over the Great Basin and SoCal. However, the trough stationed offshore will help moderate temperatures, especially at the coast. As the trough approaches the NorCal coast Wednesday, temps will cool back to seasonal norms across the CWA. High pressure will slide under the base of the trough Thurs/Fri bringing renewed warming. Another subtle cooling trend arrives next weekend with the aforementioned Gulf of Alaska low entering the PacNW with weak troughing developing over CA. Overall, a benign pattern for the week with only minor daily fluctuations.

Latest deterministic runs support a strong ridge forming over the eastern Pacific the second week of August, bringing the potential for a heat-up. Still a lot of ensemble uncertainty this far out, but worth mentioning.

AVIATION. as of 5:15 PM PDT Sunday . For the 00z TAFs. Currently VFR with stratus lingering off shore. Onshore winds are breezy, but will diminish after sunset this evening. The marine layer is around 2000ft this afternoon, which should allow a decent push back inland. MVFR/IFR ceilings should fill in around 03Z for KMRY/KSNS, and around 05-06Z for KSTS/KAPC/KOAK. KSFO will see skies fill in later, around 10Z. Some models keep skies VFR through the period for KLVK/KSJC. There is still some uncertainty if stratus will reach that far inland. Might add TEMPO after 00Z guidance comes in. Skies will lift and clear around 17Z for most sites, with 18-19Z for KMRY/KSNS. Onshore winds become breezy again Monday afternoon.

Vicinity of KSFO . VFR skies through 9Z today, with onshore winds diminishing after sunset. Expecting MVFR ceilings building in after 9Z. Skies should lift and clear around 16-17Z. Onshore winds build back Monday afternoon.

KSFO Bridge Approach . Similar to KSFO.

Monterey Bay . VFR conditions this afternoon with light onshore winds. Skies should start to fill in (MVFR/IFR) around 03Z this evening. IFR conditions will prevail through 18-19Z Monday. Light onshore winds Monday afternoon.

MARINE. as of 04:45 PM PDT Sunday . Light winds will prevail across the coastal waters through tomorrow. Expect locally breezy winds in the afternoon and evening through the Golden Gate gap and northward to the Delta today and Monday. Northwest winds will gradually increase throughout the rest of the week. Short period northwest waves continue to dominate the sea state at 7 to 9 seconds along with a moderate period southerly swell. A weak west to northwest swell will also arrive this week.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. NONE.



PUBLIC FORECAST: Bingaman AVIATION: Dhuyvetter MARINE: Dhuyvetter

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 4 mi53 min W 8.9 G 12
LNDC1 4 mi53 min W 5.1 G 8.9 63°F 1018.4 hPa
OBXC1 4 mi53 min 62°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 4 mi53 min WNW 6 G 8 62°F 1018.4 hPa
AAMC1 - 9414750 - Alameda, CA 5 mi53 min W 6 G 9.9 63°F 70°F1018.7 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 6 mi53 min W 11 G 15 63°F 1018.5 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 7 mi53 min W 7 G 9.9 61°F 1017.2 hPa
PXSC1 7 mi53 min 63°F 63°F
RCMC1 - 9414863 - Richmond, CA 8 mi53 min WSW 7 G 8.9 62°F 66°F1018.4 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 9 mi96 min S 1.9 61°F 1018 hPa
FTPC1 - 9414290 - San Francisco, CA 10 mi53 min WSW 1.9 G 7 60°F 62°F1018.2 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 14 mi53 min SW 14 G 17 64°F 1017.4 hPa
CQUC1 15 mi94 min 69°F
MZXC1 - 9415102 - Martinez-Amorco CA 15 mi53 min WSW 15 G 20 64°F 69°F1017.3 hPa
UPBC1 16 mi149 min W 21 G 25
46237 - San Francisco Bar, CA (142) 19 mi47 min 60°F3 ft
PCOC1 - 9415144 - Port Chicago, CA 19 mi53 min SW 9.9 G 14 64°F 70°F1016.8 hPa
RTYC1 - 9414523 - Redwood City, CA 24 mi53 min W 6 G 8 65°F 1018.7 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 25 mi53 min WNW 14 G 19 66°F 1016 hPa
SFXC1 - San Francisco Bay Reserve, CA 28 mi62 min W 11 65°F 1017 hPa54°F
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 30 mi37 min SW 1.9 G 3.9 60°F1018.9 hPa
PRYC1 - 9415020 - Point Reyes, CA 38 mi53 min 61°F1018.7 hPa
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 46 mi37 min S 1.9 G 1.9 61°F 1018.8 hPa57°F

Wind History for Oakland Middle Harbor, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oakland, Metro Oakland International Airport, CA11 mi54 minWNW 1010.00 miA Few Clouds63°F53°F70%1018.4 hPa
Concord, Buchanan Field, CA16 mi54 minWSW 1510.00 miFair65°F52°F63%1016 hPa
Hayward, Hayward Air Terminal, CA16 mi53 minWNW 1210.00 miFair63°F54°F73%1019 hPa
San Francisco, San Francisco International Airport, CA16 mi51 minW 1210.00 miA Few Clouds63°F53°F70%1017.8 hPa
San Carlos Airport, CA22 mi1.8 hrsWSW 910.00 miA Few Clouds64°F54°F68%1017.9 hPa

Link to 5 minute data for KOAK

Wind History from OAK (wind in knots)
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Last 24hrNW7NW5N7N7N5N5N6NW5NW7NW8NW4NW5CalmW4NW11NW12NW14W16W15W15NW15NW14W13W10
1 day agoNW10N7NW6NW5NW7N6NW6N6N4N4NW4NW4N4W5NW9NW15NW15NW18NW14NW18
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2 days agoNW10NW11NW15NW6NW8NW10NW10NW7N5N534NW5NW9NW13NW14NW14NW16W17NW18NW16
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Tide / Current Tables for Berkeley, San Francisco Bay, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Berkeley Yacht Harbor, California Current
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Berkeley Yacht Harbor
Click for Map
Mon -- 01:12 AM PDT     Moonrise
Mon -- 02:43 AM PDT     0.00 knots Slack
Mon -- 06:13 AM PDT     Sunrise
Mon -- 06:33 AM PDT     0.23 knots Max Flood
Mon -- 10:25 AM PDT     -0.00 knots Slack
Mon -- 11:31 AM PDT     -0.03 knots Max Ebb
Mon -- 01:31 PM PDT     0.00 knots Slack
Mon -- 03:52 PM PDT     Moonset
Mon -- 05:46 PM PDT     0.20 knots Max Flood
Mon -- 08:16 PM PDT     Sunset
Mon -- 09:14 PM PDT     -0.00 knots Slack
Mon -- 11:57 PM PDT     -0.19 knots Max Ebb
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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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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