Waterlands
Castro Valley C A Hayward Ca River
USGS · 11181008
CASTRO VALLEY C A HAYWARD CA RIVER
USGS · 11181008LIVE

CASTRO VALLEY C A HAYWARD CA

HAYWARD, CA37.6799°N, -122.0805°W Updated 19 hr ago
FLOW RATE
0cfs
AIR TEMP
64°F
WIND
7mph W
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
0cfs 20.7% vs avg
Optimal band: 1–1 cfs
PERIOD HIGH
63cfs
PERIOD LOW
1cfs
RUNNABLE
66%
last 1 year in band
Precipitation History
Your History · CASTRO VALLEY C A HAYWARD CA

Track your history

Sign in to track your sessions at CASTRO VALLEY C A HAYWARD CA — best days, monthly trends, and time on the water.

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
71°
55°
FRI
62°
55°
SAT
66°
57°
SUN
72°
55°
MON
74°
56°
TUE
74°
58°
WED
68°
57°
TIME
THU
7
NOW
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
TEMP
hourly forecast
60°
mild
60°
58°
57°
56°
55°
56°
55°
56°
55°
55°
55°
56°
56°
58°
61°
61°
60°
60°
60°
61°
62°
62°
62°
61°
61°
59°
58°
58°
58°
57°
57°
57°
58°
59°
60°
61°
61°
61°
61°
62°
64°
65°
66°
65°
65°
65°
64°
62°
61°
60°
58°
58°
57°
57°
57°
57°
57°
56°
56°
55°
56°
59°
63°
67°
70°
70°
71°
72°
72°
71°
69°
67°
66°
64°
62°
61°
60°
59°
58°
58°
57°
57°
56°
56°
57°
60°
64°
68°
73°
74°
73°
72°
74°
72°
72°
71°
69°
67°
64°
63°
61°
61°
60°
60°
59°
59°
58°
59°
60°
61°
64°
67°
70°
WIND
mph · gust · dir
9mph W
G 12 mph
9
G12
W
9
G13
WSW
8
G15
WSW
8
G17
WSW
8
G16
SW
9
G16
SW
9
G17
SW
9
G17
WSW
9
G16
WSW
9
G16
WSW
10
G16
WSW
9
G16
WSW
10
G18
WSW
10
G17
WSW
11
G15
WSW
10
G15
W
9
G15
WSW
9
G16
WSW
9
G15
WSW
8
G15
WSW
10
G16
WSW
9
G15
W
9
G15
W
9
G14
W
8
G15
W
9
G15
W
8
G15
W
7
G13
W
7
G13
W
8
G16
W
9
G16
W
8
G15
W
8
G16
WSW
9
G17
WSW
10
G17
WSW
11
G17
W
11
G16
W
11
G16
W
12
G16
W
12
G15
W
14
G15
W
14
G16
W
15
G17
W
17
G19
W
17
G20
W
17
G20
W
18
G20
W
18
G20
W
18
W
16
W
14
W
13
W
10
W
5
WNW
4
W
4
WSW
3
W
2
WSW
1
S
1
SE
1
SSW
2
G4
WNW
3
G7
WNW
3
G7
W
7
G8
W
11
W
11
W
12
WNW
12
WNW
13
WNW
12
W
11
W
8
G9
W
7
WSW
7
WSW
7
SW
6
SW
6
SSW
5
SSW
5
SSW
5
S
5
SSE
5
SSE
5
SE
6
G8
SE
5
G6
SSE
4
SSE
4
S
4
SW
6
WSW
8
WSW
11
W
12
WNW
13
WNW
10
WNW
10
WNW
8
WNW
8
WNW
7
W
5
WSW
4
SW
3
SW
3
SW
3
SSW
4
S
4
G5
SSE
5
SSE
5
SSE
6
SSE
5
G7
SSE
4
G7
S
4
G6
SW
5
G6
WSW
PRECIP
chance %
0%
0%
0%
0%
1%
2%
2%
2%
3%
4%
4%
4%
4%
3%
3%
2%
1%
1%
1%
0%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
9%
9%
9%
9%
9%
9%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
CLOUDS
cover %
39%
partly
39%
36%
15%
53%
99%
94%
100%
100%
100%
100%
100%
100%
100%
100%
84%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
11%
35%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
7%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
PRESSURE
hPa · trend
1005
1005100610071009100810091008100810061007100910081006100610051004100310041005
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:48 AM
SUNSET
08:33 PM
14H 45M OF DAYLIGHT1H 8M REMAINING
MOON PHASE
Waxing Gibbous
81% illuminated

Station Location

37.6799, -122.0805
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-25 19:25 UTC
Site #11181008·USGS

Create a free account to save favorites, set flow alerts, and track conditions

Sign up free