Piedmont, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Piedmont, CA

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May 28, 2023 7:42 PM PDT (02:42 UTC)
Sunrise 5:48AM   Sunset 8:23PM   Moonrise  12:56PM   Moonset 1:27AM 

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. Privacy and Cookie policy

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- 240 Pm Pdt Sun May 28 2023
This afternoon..SW winds 10 to 15 knots.
Tonight..SW winds 15 to 20 knots with gusts up to 30 knots.
Memorial day..SW winds 15 to 20 knots with gusts up to 25 knots.
Mon night..SW winds 15 to 20 knots with gusts up to 25 knots.
Tue..SW winds 10 to 20 knots with gusts up to 25 knots.
Tue night..SW winds 10 to 20 knots with gusts up to 25 knots.
Wed..SW winds 15 to 20 knots with gusts up to 25 knots.
Thu..SW winds 10 to 15 knots.
PZZ500 240 Pm Pdt Sun May 28 2023
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries...
moderate northwest winds continue into memorial day with the strongest winds over the northern outer waters. Winds becoming southerly Monday, and back to northwesterly by Tuesday afternoon. Breezy to gusty westerly winds are also expected across the san francisco bay, san pablo bay, suisun bay, and the delta each afternoon. Longer period background southerly swell continues through late next week.


7 Day Forecast for Marine Location Near Piedmont, CA
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location: 37.85, -122.22


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 290049 AFDMTR

Area Forecast Discussion National Weather Service San Francisco CA 549 PM PDT Sun May 28 2023

New AVIATION, MARINE

SYNOPSIS
Issued at 1256 PM PDT Sun May 28 2023

A cutoff low continues to drift off the coast of California, helping to bring cooler than normal temps to the region that will persist through the upcoming week. Low clouds/stratus will continue to be present in coastal areas, with clearing expected in the late afternoons, before a return into the evening.

SHORT TERM
(This evening through Monday)
Issued at 1256 PM PDT Sun May 28 2023

Radar imagery currently shows rainshowers off of the Marin county coastline as the center of the cutoff low spins just off the San Mateo coast. Light rain, about 0.01" thus far, has been reported in a few northern coastal and Bay Area locations as a result.
That being said, not expecting much more than a few hundredths in these localized spots, and for any chances of light rainfall to diminish by the evening.

For the far northern portions of Sonoma and Napa counties, there does exist a slight (15%) chance of thunderstorms in the late afternoon to early evening, so if thunder roars, go indoors.
Localized heavier rainfall, lightning, and small hail are risks associated with these thunderstorms. The slight chances for thunderstorms in this area look to dissipate into the night as surface heating diminishes with sunset.

Aside from the light rainfall seen today, persistence continues to be the name of the game. Continued troughing will keep temperatures on the cool side the next few days, with highs in the mid 60s for Bays, and closer to mid 70s for more interior locations. Widespread low clouds and stratus will continue to intrude over the bays and coastal zones potentially bringing drizzle, then clearing in the late afternoons.

LONG TERM
(Monday night through next Saturday)
Issued at 1256 PM PDT Sun May 28 2023

Over the next few days, the cutoff low will continue to meander down and just off of the coast, without any steering mechanism, before slowly exiting to the southwest towards mid to late week.
Ridging looks to build in beyond this, bringing slightly warmer temperatures than what has been seen lately. However, longer term model guidance suggests continued troughing and cooler than normal temperatures to persist through the early portions of June.
Stay tuned for updates.

AVIATION
(00Z TAFS)
Issued at 549 PM PDT Sun May 28 2023

The center of the closed upper level low pressure system is located approx 70 miles west of San Francisco. Clouds are a mix of stratiform and convective and it's mainly IFR-MVFR along the coast, VFR elsewhere.
Forecast areal cloud coverage and thicknesses varying alot tonight to predawn Monday morning subsequently varying, in many locations slowing outgoing radiative cooling to space and further saturation and low cloud development. On Memorial Day, clouds /IFR-MVFR/ lifting to VFR inland, last to clear along the coast where MVFR continues to late morning or early afternoon. Low clouds /IFR-MVFR/ moving inland Monday night and Tuesday morning.

Vicinity of SFO...SCT vs BKN ceiling /MVFR/ and west wind near 15 knots early evening, MVFR prevailing from 02z, IFR from 09z tonight. IFR ceiling Memorial Day lifting to VFR late morning, west wind increasing to near 15 knots in the afternoon.

SFO Bridge Approach...Similar to SFO.

Monterey Bay...MVFR ceilings lowering to IFR this evening, IFR tonight and Memorial Day morning. Patchy light drizzle developing tonight. IFR lifting to MVFR on Memorial Day by late morning or early afternoon.

MARINE
(Tonight through next Friday)
Issued at 449 PM PDT Sun May 28 2023

Moderate northwest winds continue into Memorial Day with the strongest winds over the northern outer waters. Winds becoming southerly Monday, and back to northwesterly by Tuesday afternoon.
Breezy to gusty westerly winds are also expected across the San Francisco Bay, San Pablo Bay, Suisun Bay, and the Delta each afternoon. Longer period background southerly swell continues through late next week.

MTR WATCHES/WARNINGS/ADVISORIES
CA...None.
PZ...Small Craft Advisory until 9 PM PDT this evening for PZZ570.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
LNDC1 5 mi54 min WSW 8G12 55°F 29.92
AAMC1 - 9414750 - Alameda, CA 7 mi54 min W 8G13 55°F 29.93
OBXC1 7 mi54 min 55°F 55°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 7 mi54 min W 9.9G16 54°F 29.92
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 7 mi54 min WSW 9.9G17
PPXC1 - 9414847 - Richmond (Point Potrero), CA 9 mi54 min SW 14G18 56°F 29.92
PXOC1 - 9414311 - San Francisco (Pier 1), CA 10 mi54 min W 2.9G8.9 55°F 29.89
RCMC1 - 9414863 - Richmond, CA 11 mi54 min SW 8.9G15 55°F 29.90
TIBC1 - Tiburon Pier, San Francisco Bay, CA 12 mi86 min SSW 15 54°F 29.8949°F
FTPC1 - 9414290 - San Francisco, CA 13 mi54 min WSW 4.1G8.9 54°F 60°F29.90
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 14 mi54 min SW 15G17 57°F 29.88
MZXC1 - 9415102 - Martinez-Amorco CA 14 mi54 min SW 11G13 58°F 65°F29.88
UPBC1 14 mi54 min WSW 12G16
PCOC1 - 9415144 - Port Chicago, CA 17 mi54 min WSW 12G15 60°F 65°F29.87
46237 - San Francisco Bar, CA (142) 22 mi72 min 54°F 58°F4 ft
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 22 mi54 min WNW 18G22 62°F 29.85
RTYC1 - 9414523 - Redwood City, CA 24 mi54 min W 11G16 58°F 68°F29.90
SFXC1 - San Francisco Bay Reserve, CA 26 mi57 min W 19 60°F 30.6052°F
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 33 mi42 min W 7.8G9.7 56°F29.94
PRYC1 - 9415020 - Point Reyes, CA 41 mi54 min 29.91

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Wind History for Alameda, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KOAK METROPOLITAN OAKLAND INTL,CA 9 sm49 minWNW 1110 smOvercast55°F48°F77%29.92
KCCR BUCHANAN FIELD,CA 13 sm49 minWSW 1010 smClear61°F50°F68%29.88
KHWD HAYWARD EXECUTIVE,CA 14 sm48 minWNW 1310 smOvercast57°F50°F77%29.91
KSFO SAN FRANCISCO INTL,CA 18 sm46 minW 12G1710 smOvercast57°F48°F72%29.91
KLVK LIVERMORE MUNI,CA 24 sm49 minWNW 1510 smClear57°F48°F72%29.88
KSQL SAN CARLOS,CA 24 sm1.9 hrsSW 1510 smPartly Cloudy61°F50°F68%29.90

Link to 5 minute data for KOAK

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Wind History from OAK (wind in knots)

Tide / Current Tables for Berkeley, California
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Berkeley
Click for Map
Sun -- 02:06 AM PDT     2.43 feet Low Tide
Sun -- 02:27 AM PDT     Moonset
Sun -- 05:50 AM PDT     Sunrise
Sun -- 06:49 AM PDT     3.94 feet High Tide
Sun -- 01:34 PM PDT     0.79 feet Low Tide
Sun -- 01:55 PM PDT     Moonrise
Sun -- 08:22 PM PDT     Sunset
Sun -- 08:33 PM PDT     4.88 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Berkeley, California, Tide feet
12
am
3.1
1
am
2.6
2
am
2.4
3
am
2.6
4
am
3
5
am
3.4
6
am
3.8
7
am
3.9
8
am
3.7
9
am
3.2
10
am
2.5
11
am
1.8
12
pm
1.2
1
pm
0.8
2
pm
0.8
3
pm
1.2
4
pm
1.9
5
pm
2.8
6
pm
3.7
7
pm
4.4
8
pm
4.8
9
pm
4.8
10
pm
4.5
11
pm
3.9


Tide / Current Tables for Berkeley Yacht Harbor .9 mi S, San Francisco Bay, California Current
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Berkeley Yacht Harbor .9 mi S
Click for Map
Sun -- 01:41 AM PDT     0.00 knots Slack
Sun -- 02:27 AM PDT     Moonset
Sun -- 05:06 AM PDT     0.13 knots Max Flood
Sun -- 05:50 AM PDT     Sunrise
Sun -- 08:04 AM PDT     -0.00 knots Slack
Sun -- 10:41 AM PDT     -0.26 knots Max Ebb
Sun -- 01:35 PM PDT     0.00 knots Slack
Sun -- 01:55 PM PDT     Moonrise
Sun -- 05:43 PM PDT     0.25 knots Max Flood
Sun -- 08:22 PM PDT     Sunset
Sun -- 09:13 PM PDT     -0.01 knots Slack
Sun -- 11:36 PM PDT     -0.24 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Berkeley Yacht Harbor .9 mi S, San Francisco Bay, California Current, knots
12
am
-0.1
1
am
-0.1
2
am
0
3
am
0.1
4
am
0.1
5
am
0.1
6
am
0.1
7
am
0.1
8
am
0
9
am
-0.1
10
am
-0.2
11
am
-0.3
12
pm
-0.2
1
pm
-0.1
2
pm
0
3
pm
0.1
4
pm
0.2
5
pm
0.2
6
pm
0.2
7
pm
0.2
8
pm
0.1
9
pm
0
10
pm
-0.1
11
pm
-0.2



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