Satellite: Esri, Maxar, Earthstar Geographics
Find Your Next Spot
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
Mostly clear
Calm — good conditions to get on the water
Air Temp
70°F
Wind
12 mph
gusts 19 mph
Water Temp
68°F
Wave Height
0.5 ft
1.55s period
Tide Times
Nearest tide station: Port Chicago, CA · ~17 mi away
FriLow 3:01 AM (0.7 ft)High 9:28 AM (3.4 ft)Low 1:37 PM (2.2 ft)High 7:32 PM (5.3 ft)
SatLow 4:23 AM (0.6 ft)High 10:43 AM (3.6 ft)Low 2:57 PM (2.3 ft)High 8:47 PM (5.2 ft)
Next Few Hours
Now
☀️
70°
1%
12 mph
8PM
⛅
68°
1%
10 mph
9PM
⛅
66°
1%
7 mph
10PM
☀️
65°
1%
6 mph
11PM
☀️
64°
1%
6 mph
12AM
☀️
63°
1%
5 mph
10-Day Boating Forecast
Thu, 9/3
⛅
78° / 60°
Wind 14, gusts 19 mph
1% rain
Fri, 9/4
☀️
76° / 57°
Wind 13, gusts 23 mph
1% rain
Sat, 9/5
☀️
82° / 52°
Wind 13, gusts 17 mph
Sun, 9/6
☀️
82° / 56°
Wind 14 mph
Mon, 9/7
⛅
85° / 54°
Wind 10 mph
Tue, 9/8
⛅
84° / 56°
Wind 13 mph
7% rain
Wed, 9/9
⛅
77° / 56°
Wind 6 mph
12% rain
Thu, 9/10
🌧️
84° / 67°
Wind 9, gusts 15 mph
9% rain
Fri, 9/11
⛅
67° / 64°
Wind 13, gusts 25 mph
4% rain
Sat, 9/12
⛅
79° / 59°
Wind 12 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.
