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 19 hr ago

FLOW RATE

8cfs

GAUGE HT

11.41ft

WATER TEMP

65°F

AIR TEMP

82°F

WIND

12mph W

FISH INDEX

50SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

8cfs 9.8% vs avg

Optimal band: 11–15 cfs

PERIOD HIGH

594cfs

PERIOD LOW

5cfs

RUNNABLE

26%

last 1 year in band

Gauge Height

11.41ft

Water Temperature

65.3°F

Precipitation History

Your History · ALAMEDA C BL WELCH C NR SUNOL CA

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Weather Conditions

WEATHER CONDITIONS

TODAY

89°

63°

MON

93°

68°

TUE

93°

63°

WED

91°

56°

THU

79°

52°

FRI

90°

51°

SAT

86°

57°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

82°

mild

82°

77°

74°

72°

71°

70°

68°

71°

75°

80°

84°

88°

90°

92°

93°

91°

90°

81°

78°

77°

75°

74°

73°

72°

69°

67°

65°

64°

67°

72°

78°

83°

87°

91°

93°

91°

88°

86°

85°

80°

73°

68°

65°

63°

61°

60°

59°

58°

57°

56°

60°

66°

71°

77°

82°

87°

91°

90°

86°

83°

80°

76°

69°

63°

60°

58°

57°

55°

54°

53°

52°

55°

60°

65°

69°

73°

77°

79°

77°

74°

71°

69°

67°

62°

56°

55°

53°

52°

51°

54°

57°

62°

68°

74°

80°

WIND

mph · gust · dir

10mph W

G 12 mph

G12

G11

WSW

G10

WSW

G11

WSW

G10

WSW

G10

G13

G16

G18

WSW

G17

G22

G18

G13

G12

G15

G14

WSW

G13

WSW

G10

WSW

G10

WSW

SSW

SSE

WSW

G10

G11

WNW

G11

G10

WSW

SSW

SSE

WSW

G10

G11

G10

WSW

SSW

WSW

WNW

WSW

SSW

SSE

SSW

WSW

PRECIP

chance %

CLOUDS

cover %

100%

overcast

100%

53%

14%

100%

22%

50%

45%

76%

100%

67%

73%

53%

28%

12%

45%

51%

41%

21%

78%

30%

23%

12%

41%

98%

13%

10%

35%

PRESSURE

hPa · trend

1001

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Moderate

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:56 AM

SUNSET

08:29 PM

14H 33M OF DAYLIGHT

MOON PHASE

Waning Crescent

4% illuminated

Station Location

37.5405, -121.8563

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC

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