Marine Weather and Tide Forecast for Plymouth, CA
 | Sunrise 5:47 AM Sunset 8:31 PM Moonrise 7:58 PM Moonset 4:15 AM |
Marine Forecasts
NOTE: Zones were updated 3/20/2025. If your report is out of date, please click Edit
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 822 Pm Pdt Wed Jul 9 2025
Tonight - SW wind 5 to 10 kt.
Thu - SW wind 5 to 10 kt.
Thu night - SW wind 5 to 10 kt.
Fri - SW wind 5 to 10 kt.
Fri night - SW wind 10 to 15 kt.
Sat - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Sat night - SW wind 10 to 15 kt.
Sun - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Sun night - SW wind 10 to 15 kt, easing to 5 to 10 kt after midnight.
Mon - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Mon night - SW wind 10 to 15 kt.
PZZ500 822 Pm Pdt Wed Jul 9 2025
Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
winds maintain strength through Thursday and into Friday for most areas, but will increase to gale- strength for the northern outer waters into early Friday. Expect building rough seas in the exposed waters alongside these building winds. Seas and winds begin to ease into the weekend.
winds maintain strength through Thursday and into Friday for most areas, but will increase to gale- strength for the northern outer waters into early Friday. Expect building rough seas in the exposed waters alongside these building winds. Seas and winds begin to ease into the weekend.
7 Day Forecast for Marine Location Near Plymouth, CA
NEW! Add second zone forecast
| Tide / Current data from XTide NOT FOR NAVIGATION |
Clarksburg %234, Sacramento River, California, Tide feet
| Tide / Current data from XTide NOT FOR NAVIGATION |
Sacramento %234, Sacramento River, California, Tide feet
FXUS66 KSTO 092053 AFDSTO
Area Forecast Discussion National Weather Service Sacramento CA 153 PM PDT Wed Jul 9 2025
For additional details on weather and expected impacts over the next 7 days, please visit weather.gov/sto/briefing.
DISCUSSION
SYNOPSIS
Moderate to Major HeatRisk is anticipated across interior NorCal Thursday through Monday. Some Delta breeze influence will bring minor cooling over the weekend and into next week in the Delta and adjacent Valley locations. Dry and periodically breezy weather continues.
KEY MESSAGES
* Today: - Seasonable temperatures and dry conditions expected today - Smoke will continue to impact areas in the vicinity of the Green Fire over the next few days - Warming trend begins as trough moves inland and high pressure begins to build
* Thursday-Friday: - Upper level ridge continues to build, resulting in dry conditions and warming temperatures with low daytime relative humidity and moderate to poor overnight recoveries - Widespread Moderate HeatRisk with areas of Major HeatRisk across interior NorCal - Locally breezy northerly flow in the northern/central Sacramento Valley and adjacent terrain, mainly in the overnight through morning timeframe
* Saturday-Monday: - Continued hot and dry conditions, with widespread Moderate HeatRisk and areas of Major HeatRisk in the forecast for interior NorCal into early next week - There will be some Delta breeze influence over the weekend and into next week that will allow for minor cooling in the Delta vicinity - Upper level ridging looks to continue to be the dominating weather pattern into early next week
Changes from previous forecast
- Temperatures and HeatRisk have trended higher for this weekend through early next week - Issuance of Heat Advisory north of Interstate 80 in the Valley, foothills and mountains from Friday through Sunday
AVIATION
VFR conditions across interior NorCal next 24 hours. Periods of breezy onshore winds with gusts up to 15 knots in the Delta vicinity through 06z Thursday. Elsewhere, sustained speeds generally less than 12 knots, with gusts up to 15 to 20 knots in the northern Sac Valley after 16z Thursday. Local MVFR conditions possible at times in HZ/FU vicinity of Shasta County wildfire, including KRDD.
STO WATCHES/WARNINGS/ADVISORIES
Heat Advisory from 11 AM Friday to 11 PM PDT Sunday for Burney Basin / Eastern Shasta County-Central Sacramento Valley- Mountains Southwestern Shasta County to Western Colusa County- Northeast Foothills/Sacramento Valley-Northern Sacramento Valley- Shasta Lake Area / Northern Shasta County-Western Plumas County/Lassen Park.
Area Forecast Discussion National Weather Service Sacramento CA 153 PM PDT Wed Jul 9 2025
For additional details on weather and expected impacts over the next 7 days, please visit weather.gov/sto/briefing.
DISCUSSION
SYNOPSIS
Moderate to Major HeatRisk is anticipated across interior NorCal Thursday through Monday. Some Delta breeze influence will bring minor cooling over the weekend and into next week in the Delta and adjacent Valley locations. Dry and periodically breezy weather continues.
KEY MESSAGES
* Today: - Seasonable temperatures and dry conditions expected today - Smoke will continue to impact areas in the vicinity of the Green Fire over the next few days - Warming trend begins as trough moves inland and high pressure begins to build
* Thursday-Friday: - Upper level ridge continues to build, resulting in dry conditions and warming temperatures with low daytime relative humidity and moderate to poor overnight recoveries - Widespread Moderate HeatRisk with areas of Major HeatRisk across interior NorCal - Locally breezy northerly flow in the northern/central Sacramento Valley and adjacent terrain, mainly in the overnight through morning timeframe
* Saturday-Monday: - Continued hot and dry conditions, with widespread Moderate HeatRisk and areas of Major HeatRisk in the forecast for interior NorCal into early next week - There will be some Delta breeze influence over the weekend and into next week that will allow for minor cooling in the Delta vicinity - Upper level ridging looks to continue to be the dominating weather pattern into early next week
Changes from previous forecast
- Temperatures and HeatRisk have trended higher for this weekend through early next week - Issuance of Heat Advisory north of Interstate 80 in the Valley, foothills and mountains from Friday through Sunday
AVIATION
VFR conditions across interior NorCal next 24 hours. Periods of breezy onshore winds with gusts up to 15 knots in the Delta vicinity through 06z Thursday. Elsewhere, sustained speeds generally less than 12 knots, with gusts up to 15 to 20 knots in the northern Sac Valley after 16z Thursday. Local MVFR conditions possible at times in HZ/FU vicinity of Shasta County wildfire, including KRDD.
STO WATCHES/WARNINGS/ADVISORIES
Heat Advisory from 11 AM Friday to 11 PM PDT Sunday for Burney Basin / Eastern Shasta County-Central Sacramento Valley- Mountains Southwestern Shasta County to Western Colusa County- Northeast Foothills/Sacramento Valley-Northern Sacramento Valley- Shasta Lake Area / Northern Shasta County-Western Plumas County/Lassen Park.
Wind History for Port Chicago, CA
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Link to 1 hour of 5 minute data for KMHR
Terminal Aerodrome Forecast (TAF) for KMHR
Wind History Graph: MHR
(wind in knots)
GEOS Local Image of Central West Coast
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Sacramento, CA,
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