Marine Weather and Tide Forecast for Rio Vista, CA
![]() | Sunrise 5:48 AM Sunset 8:18 PM Moonrise 2:22 AM Moonset 3:35 PM |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 256 Am Pdt Fri May 23 2025
.small craft advisory in effect until 3 am pdt early this morning - .
.small craft advisory in effect from this afternoon through this evening - .
Today - SW wind 10 to 15 kt. Waves around 2 ft or less.
Tonight - SW wind 10 to 15 kt. Waves around 2 ft or less.
Sat - S wind 10 to 15 kt, becoming sw 5 to 10 kt in the afternoon. Waves around 2 ft or less.
Sat night - SW wind 10 to 15 kt. 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. Waves around 2 ft or less.
Memorial day - W wind 10 to 15 kt. Waves around 2 ft or less.
Mon night - W wind 10 to 15 kt, becoming sw 5 to 10 kt after midnight. Waves around 2 ft or less.
Tue - SW wind 5 to 10 kt. Waves around 2 ft or less.
Tue night - SW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 2 ft or less.
PZZ500 256 Am Pdt Fri May 23 2025
Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
hazardous marine conditions continue across the waters as strong northwesterly breezes with near gale to gale force gusts and rough seas persist. Fresh to strong northwesterly breezes and moderate to rough seas will prevail through Monday.
hazardous marine conditions continue across the waters as strong northwesterly breezes with near gale to gale force gusts and rough seas persist. Fresh to strong northwesterly breezes and moderate to rough seas will prevail through Monday.
7 Day Forecast for Marine Location Near Rio Vista, CA

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Rio Vista Click for Map Fri -- 12:55 AM PDT 4.30 feet High Tide Fri -- 03:22 AM PDT Moonrise Fri -- 05:49 AM PDT Sunrise Fri -- 08:07 AM PDT 0.16 feet Low Tide Fri -- 01:26 PM PDT 3.06 feet High Tide Fri -- 04:34 PM PDT Moonset Fri -- 07:44 PM PDT 0.91 feet Low Tide Fri -- 08:17 PM PDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Rio Vista, Sacramento River, California, Tide feet
12 am |
4.1 |
1 am |
4.3 |
2 am |
4 |
3 am |
3.4 |
4 am |
2.7 |
5 am |
1.9 |
6 am |
1.1 |
7 am |
0.5 |
8 am |
0.2 |
9 am |
0.3 |
10 am |
1 |
11 am |
1.9 |
12 pm |
2.6 |
1 pm |
3 |
2 pm |
3 |
3 pm |
2.7 |
4 pm |
2.2 |
5 pm |
1.8 |
6 pm |
1.3 |
7 pm |
1 |
8 pm |
0.9 |
9 pm |
1.2 |
10 pm |
2 |
11 pm |
3 |
Point Sacramento .3 mi NE Click for Map Fri -- 02:10 AM PDT -0.01 knots Slack Fri -- 03:23 AM PDT Moonrise Fri -- 05:09 AM PDT -1.07 knots Max Ebb Fri -- 05:50 AM PDT Sunrise Fri -- 08:46 AM PDT 0.00 knots Slack Fri -- 11:18 AM PDT 0.88 knots Max Flood Fri -- 02:35 PM PDT -0.00 knots Slack Fri -- 04:34 PM PDT Moonset Fri -- 05:03 PM PDT -0.82 knots Max Ebb Fri -- 08:06 PM PDT 0.00 knots Slack Fri -- 08:18 PM PDT Sunset Fri -- 10:58 PM PDT 1.37 knots Max Flood Tide / Current data from XTide NOT FOR NAVIGATION |   |
Point Sacramento .3 mi NE, Sacramento River, California Current, knots
12 am |
1 |
1 am |
0.6 |
2 am |
0.1 |
3 am |
-0.5 |
4 am |
-0.9 |
5 am |
-1.1 |
6 am |
-1 |
7 am |
-0.8 |
8 am |
-0.4 |
9 am |
0.1 |
10 am |
0.6 |
11 am |
0.9 |
12 pm |
0.8 |
1 pm |
0.6 |
2 pm |
0.3 |
3 pm |
-0.2 |
4 pm |
-0.7 |
5 pm |
-0.8 |
6 pm |
-0.7 |
7 pm |
-0.5 |
8 pm |
-0 |
9 pm |
0.6 |
10 pm |
1.2 |
11 pm |
1.4 |
Area Discussion for Sacramento, CA
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FXUS66 KSTO 222036 AFDSTO
Area Forecast Discussion National Weather Service Sacramento CA 136 PM PDT Thu May 22 2025
Discussion
Synopsis
Dry and periodically breezy weather expected from today into early next week with temperatures fluctuating between near and slightly above normal as a more progressive pattern sets up aloft.
Elevated fire weather conditions anticipated during breezier periods as low humidity and marginal recovery persists.
Key Messages
* Today - Saturday: -Quick moving, dry shortwaves bring periods of breezy to briefly gusty onshore winds.
-Probability of South-Southwest Wind Gusts > 30 mph: --40-70%, highest across Delta and vicinity area --Strongest winds expected during afternoon/evening hours today.
-Marginal humidity recovery expected in onshore flow, but elevated fire weather conditions persist, especially during periods of strongest winds.
-Temperatures to fluctuate around near to slightly above normal, with areas of Minor HeatRisk.
* Sunday - Thursday: -Stronger weather system to progress toward interior NorCal Sun- Mon, then remain largely stationary over the West Coast into next week.
-Primarily dry weather anticipated, although a slight 5-10% chance of isolated showers/thunderstorms possible each day.
Highest probabilities over the N. Sacramento Valley and Sierra.
-Breezier onshore winds expected, especially Sunday as the system arrives. Probability of South-Southwest Wind Gusts > 30 mph: --60-90% across the Valley and Delta on Sunday -Marginal humidity recovery and elevated fire weather conditions likely to persist, especially during stronger winds on Sunday.
Changes from previous forecast
-Low precipitation chances possible into next week, although forecast uncertainty remains high at this time.
-Ensemble guidance indicates a more robust warming trend by late next week.
AVIATION
VFR conditions expected to prevail next 24 hours. Wind gusts 15-20 kts through 06z Friday across the Delta (westerly gusts), southern Sacramento Valley (southwesterly gusts) and the northern San Joaquin Valley (northwesterly gusts). Breezy westerly wind gusts vicinity Delta after 06z Friday.
STO WATCHES/WARNINGS/ADVISORIES
None.
Area Forecast Discussion National Weather Service Sacramento CA 136 PM PDT Thu May 22 2025
Discussion
Synopsis
Dry and periodically breezy weather expected from today into early next week with temperatures fluctuating between near and slightly above normal as a more progressive pattern sets up aloft.
Elevated fire weather conditions anticipated during breezier periods as low humidity and marginal recovery persists.
Key Messages
* Today - Saturday: -Quick moving, dry shortwaves bring periods of breezy to briefly gusty onshore winds.
-Probability of South-Southwest Wind Gusts > 30 mph: --40-70%, highest across Delta and vicinity area --Strongest winds expected during afternoon/evening hours today.
-Marginal humidity recovery expected in onshore flow, but elevated fire weather conditions persist, especially during periods of strongest winds.
-Temperatures to fluctuate around near to slightly above normal, with areas of Minor HeatRisk.
* Sunday - Thursday: -Stronger weather system to progress toward interior NorCal Sun- Mon, then remain largely stationary over the West Coast into next week.
-Primarily dry weather anticipated, although a slight 5-10% chance of isolated showers/thunderstorms possible each day.
Highest probabilities over the N. Sacramento Valley and Sierra.
-Breezier onshore winds expected, especially Sunday as the system arrives. Probability of South-Southwest Wind Gusts > 30 mph: --60-90% across the Valley and Delta on Sunday -Marginal humidity recovery and elevated fire weather conditions likely to persist, especially during stronger winds on Sunday.
Changes from previous forecast
-Low precipitation chances possible into next week, although forecast uncertainty remains high at this time.
-Ensemble guidance indicates a more robust warming trend by late next week.
AVIATION
VFR conditions expected to prevail next 24 hours. Wind gusts 15-20 kts through 06z Friday across the Delta (westerly gusts), southern Sacramento Valley (southwesterly gusts) and the northern San Joaquin Valley (northwesterly gusts). Breezy westerly wind gusts vicinity Delta after 06z Friday.
STO WATCHES/WARNINGS/ADVISORIES
None.
Wind History for Port Chicago, CA
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Airport Reports
Link to 1 hour of 5 minute data for KSUU
Terminal Aerodrome Forecast (TAF) for KSUU
Wind History Graph: SUU
(wind in knots)GEOS Local Image of Central West Coast
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Sacramento, CA,

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