CNRFC - Ensemble Products

*** IMPORTANT *** Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.

Short-Range Products (hourly timestep)

Long-Range Products (daily timestep)

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ALAMEDA CREEK - NILES (NILC1)

Latitude: 37.59º N	Longitude: 121.96º W	Elevation: 86 Feet
Location: Alameda County in California		Bulletin Group: Central Coast		River Group: South Bay

Issuance Time:

Jun 21, 2025 at 12:11 PM PDT

Action/Monitor: N/A

Minor Flood: 9.0 Feet

Moderate Flood: 10.5 Feet

Major Flood: N/A

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Short-Range Peak Exceedance Plot Product Info. Plot Type:

CSV Ensemble Files (Data in kcfs): Forecast Group | NILC1

Cursor readout:

Show:

		Official Forecast (Deterministic)
		Ensemble Mean
		Model Traces

	Hourly Probabilities
		0-5% chance
		5-25% chance
		25-40% chance
		40-60% chance

What information is considered in this forecast?

Verification / Historical Plots
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Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ508)

rest of Tonight: Mostly clear. Lows in the lower 50s. West winds 10 to 20 mph.

Sunday: Sunny. Highs in the 60s to mid 70s. West winds 10 to 20 mph.

Sunday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. West winds 10 to 20 mph.

Monday: Partly cloudy in the morning then becoming sunny. Highs in the 60s to upper 70s. West winds 5 to 15 mph.

Monday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. West winds 10 to 20 mph and becoming 5 to 10 mph after midnight.

Tuesday: Mostly cloudy in the morning then becoming sunny. Highs in the 60s to mid 70s.

Tuesday Night and Wednesday: Partly cloudy. Lows in the mid 50s. Highs in the 60s to upper 70s.

Wednesday Night: Mostly clear. Lows in the mid 50s.

Thursday: Partly cloudy in the morning then becoming sunny. Highs in the 60s to upper 70s.

Thursday Night through Saturday: Mostly clear. Lows in the mid 50s. Highs in the upper 60s to lower 80s.

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