USGS · 11173575

ALAMEDA C BL WELCH C NR SUNOL CA RIVER

USGS · 11173575LIVE

ALAMEDA C BL WELCH C NR SUNOL CA

ALAMEDA COUNTY, CA37.5405°N, -121.8563°W Updated 29 min ago

FLOW RATE

8.21cfs

GAUGE HT

11.41ft

WATER TEMP

64°F

AIR TEMP

62°F

WIND

6mph WNW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

8.21cfs 13.7% vs avg

Optimal band: 7–9 cfs

PERIOD HIGH

8.59cfs

PERIOD LOW

7.49cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

11.41ft

Water Temperature

64.4°F

Precipitation History

Your History · ALAMEDA C BL WELCH C NR SUNOL CA

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Weather Conditions

WEATHER CONDITIONS

TODAY

90°

61°

MON

96°

70°

TUE

96°

64°

WED

94°

59°

THU

90°

54°

FRI

91°

56°

SAT

90°

61°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

72°

mild

72°

79°

85°

88°

90°

89°

84°

82°

77°

74°

72°

71°

70°

71°

72°

77°

74°

79°

84°

88°

89°

92°

95°

96°

92°

88°

85°

79°

74°

71°

68°

67°

66°

65°

64°

68°

74°

78°

85°

89°

94°

96°

94°

92°

90°

86°

83°

76°

70°

67°

65°

64°

63°

62°

61°

60°

59°

61°

67°

73°

79°

84°

90°

93°

94°

93°

90°

87°

84°

80°

72°

66°

63°

61°

59°

58°

57°

56°

54°

58°

63°

69°

75°

81°

86°

89°

90°

88°

85°

80°

75°

71°

67°

64°

62°

60°

59°

WIND

mph · gust · dir

10mph WSW

G 12 mph

G12

WSW

G12

G15

WSW

G13

G12

G14

G15

G14

G13

WSW

G12

WSW

G12

WSW

G10

G15

G10

G16

WSW

G15

WSW

G13

G12

G13

G14

G12

WSW

SSW

SSE

WSW

G10

WNW

G11

WNW

G11

WNW

G10

WSW

SSE

SSW

WSW

G11

WSW

SSW

WSW

WNW

WSW

SSW

PRECIP

chance %

CLOUDS

cover %

100%

overcast

100%

26%

13%

100%

74%

100%

56%

100%

47%

59%

100%

61%

43%

100%

41%

39%

100%

15%

PRESSURE

hPa · trend

1002

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:56 AM

SUNSET

08:29 PM

14H 33M OF DAYLIGHT

MOON PHASE

Waning Crescent

6% illuminated

Station Location

37.5405, -121.8563

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 09:30 UTC

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