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Big Break Marina — Boating Conditions
Tides, water temp & weather • Contra Costa County, CA
Boating Conditions at Big Break Marina
Current wind, air and water temperature, tide times and a 10-day forecast for Big Break Marina on Sacramento-San Joaquin Delta in Contra Costa County, California. Check conditions before you launch.
Right Now
Clear
Calm — good conditions to get on the water
Air Temp
61°F
Wind
9 mph
gusts 15 mph
Water Temp
68°F
Wave Height
0.1 ft
1.85s period
Tide Times
Nearest tide station: Port Chicago, CA · ~17 mi away
TueLow 6:24 AM (0.1 ft)High 12:38 PM (4 ft)Low 5:58 PM (1.7 ft)High 11:40 PM (4.3 ft)
WedLow 6:59 AM (0.1 ft)High 1:12 PM (4.1 ft)Low 6:46 PM (1.4 ft)
Next Few Hours
Now
☀️
61°
10 mph
1AM
☀️
60°
10 mph
2AM
☀️
59°
9 mph
3AM
☀️
58°
3 mph
4AM
☀️
56°
3 mph
5AM
☀️
55°
2 mph
10-Day Boating Forecast
Mon, 9/21
☀️
81° / 58°
Wind 13, gusts 17 mph
Tue, 9/22
☀️
83° / 55°
Wind 10, gusts 17 mph
Wed, 9/23
⛅
91° / 57°
Wind 8 mph
Thu, 9/24
⛅
95° / 64°
Wind 14, gusts 20 mph
Fri, 9/25
⛅
87° / 61°
Wind 11 mph
Sat, 9/26
⛅
85° / 56°
Wind 12, gusts 15 mph
Sun, 9/27
☀️
80° / 53°
Wind 12 mph
1% rain
Mon, 9/28
☀️
88° / 57°
Wind 11 mph
1% rain
Tue, 9/29
☀️
92° / 63°
Wind 7 mph
1% rain
Wed, 9/30
☀️
94° / 64°
Wind 11 mph
1% rain
Weather & wave data from Open-Meteo. Tides & water temperature from NOAA CO-OPS. Conditions are estimates for trip planning — always confirm locally and check official marine forecasts before heading out.
