Marine Weather and Tide Forecast for Coloma, CA
April 30, 2025 9:47 AM PDT (16:47 UTC)
Change Location
Change Location
 | Sunrise 6:05 AM Sunset 7:56 PM Moonrise 7:02 AM Moonset 11:08 PM |
PZZ531 San Francisco Bay South Of The Bay Bridge- 912 Am Pdt Wed Apr 30 2025
Today - W wind 5 to 10 kt. Waves around 2 ft or less.
Tonight - W wind 5 to 10 kt. Waves around 2 ft or less.
Thu - W wind 5 to 10 kt. Waves around 2 ft or less.
Thu night - W wind 5 to 10 kt. Waves around 2 ft or less.
Fri - W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Waves around 2 ft or less.
Fri night - W wind 15 to 20 kt. Waves around 2 ft or less.
Sat - W wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Waves around 2 ft or less.
Sat night - W wind 25 to 30 kt, veering to nw 20 to 25 kt after midnight. Waves around 2 ft or less.
Sun - W wind 10 to 15 kt. Waves around 2 ft or less.
Sun night - W wind 10 to 15 kt, becoming sw 5 to 10 kt after midnight. Waves around 2 ft or less in the evening.
PZZ500 912 Am Pdt Wed Apr 30 2025
Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
high pressure over the eastern pacific and low pressure inland will maintain gusty northerly winds over the waters. NEar-gale force gusts will continue over the outer waters through Thursday morning along with rough seas. Strong northwesterly breezes return Friday afternoon, strengthening to become gale-force by Saturday. Rough seas return to the outer waters by Saturday.
high pressure over the eastern pacific and low pressure inland will maintain gusty northerly winds over the waters. NEar-gale force gusts will continue over the outer waters through Thursday morning along with rough seas. Strong northwesterly breezes return Friday afternoon, strengthening to become gale-force by Saturday. Rough seas return to the outer waters by Saturday.
7 Day Forecast for Marine Location Near Coloma, CA
NEW! Add second zone forecast
| Tide / Current data from XTide NOT FOR NAVIGATION |
Sacramento %234, Sacramento River, California, Tide feet
| Tide / Current data from XTide NOT FOR NAVIGATION |
Sacramento %234, Sacramento River, California, Tide feet
FXUS66 KSTO 292027 AFDSTO
Area Forecast Discussion National Weather Service Sacramento CA 127 PM PDT Tue Apr 29 2025
For additional details on weather and expected impacts over the next 7 days, please visit weather.gov/sto/briefing.
Discussion
Synopsis
Two mostly minor impact weather systems to impact the area over the next 7 days. The first system will drop into the area Wednesday and bring a pretty good chance (40% to 60%) of showers and thunderstorms to foothills and higher terrain to areas south of Highway 50 tomorrow afternoon and evening. For the most part weather will be dry and mild until the stronger system moves into the area Saturday bringing cooler temperatures and widespread chance of light precipiitation...with light accumulations of snow above 6000 feet in the Sierra.
Key Messages
* Wednesday:
-Good chance (40-60%) of showers and thunderstorms mainly south of highway 50 afternoon and evening.
* Friday into Sunday -Cooling trend returns with chances of showers in the mountains, foothills, and northern Sacramento Valley.
-Isolated mountain thunderstorms possible with breezy onshore winds.
-Snow levels generally above pass levels on Friday then lowering on Saturday into Sunday, with light high elevation snowfall currently expected, though exact details remain uncertain at this point.
Changes from previous forecast
* Nothing significant
AVIATION
VFR conditions are expected over the next 24 hours, with surface winds less than 12 kts. West-northwest wind gusts 15-20 kts are expected over the Sierra between 21-03Z. Additionally, there is a 10-15% chance of isolated mountain thunderstorms between 23Z-06Z.
STO WATCHES/WARNINGS/ADVISORIES
None.
Area Forecast Discussion National Weather Service Sacramento CA 127 PM PDT Tue Apr 29 2025
For additional details on weather and expected impacts over the next 7 days, please visit weather.gov/sto/briefing.
Discussion
Synopsis
Two mostly minor impact weather systems to impact the area over the next 7 days. The first system will drop into the area Wednesday and bring a pretty good chance (40% to 60%) of showers and thunderstorms to foothills and higher terrain to areas south of Highway 50 tomorrow afternoon and evening. For the most part weather will be dry and mild until the stronger system moves into the area Saturday bringing cooler temperatures and widespread chance of light precipiitation...with light accumulations of snow above 6000 feet in the Sierra.
Key Messages
* Wednesday:
-Good chance (40-60%) of showers and thunderstorms mainly south of highway 50 afternoon and evening.
* Friday into Sunday -Cooling trend returns with chances of showers in the mountains, foothills, and northern Sacramento Valley.
-Isolated mountain thunderstorms possible with breezy onshore winds.
-Snow levels generally above pass levels on Friday then lowering on Saturday into Sunday, with light high elevation snowfall currently expected, though exact details remain uncertain at this point.
Changes from previous forecast
* Nothing significant
AVIATION
VFR conditions are expected over the next 24 hours, with surface winds less than 12 kts. West-northwest wind gusts 15-20 kts are expected over the Sierra between 21-03Z. Additionally, there is a 10-15% chance of isolated mountain thunderstorms between 23Z-06Z.
STO WATCHES/WARNINGS/ADVISORIES
None.
| Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
| SFXC1 - San Francisco Bay Reserve, CA | 72 mi | 63 min | W 8 | 29.98 | ||||
| PCOC1 - 9415144 - Port Chicago, CA | 79 mi | 48 min | W 8.9G | 57°F | 29.97 | |||
| RCMC1 - 9414863 - Richmond, CA | 100 mi | 48 min | S 6G | 53°F | 58°F | 29.99 |
Wind History for Port Chicago, CA
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Link to 1 hour of 5 minute data for KAUN
Terminal Aerodrome Forecast (TAF) for KAUN
Wind History Graph: AUN
(wind in knots)
GEOS Local Image of Central West Coast
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Sacramento, CA,
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