River Forecasts

River Forecast Guidance products are issued jointly with the California Department of Water Resources. These products are for guidance purposes only. Select WFO Products for OFFICIAL public issuances of hydrologic watches, warnings, statements, and advisories.

CNRFC River and Reservoir Forecasts - Interactive Map Interface

River and reservoir forecasts available across the California Nevada River Forecast Center area of responsibility on an interactive map display. These forecasts are updated daily, with more frequent updates during the winter season and high water events. Also, KML files are available for download and use in Google™ Earth.

    Deterministic 5-Day Forecasts - Interactive Map Interface

River Guidance Forecast Group Issuance and Next Update Times  (Select Forecast Group for Specified Text RVF)
FG ID	Forecast Bulletin Group			Issuance Time	Next Update Time
SE	North Coast	[ Alternate Link ]		Jan 08 2026 at 1:32 PM PST	Jan 09 2026 at 9:00 AM PST
RN	Russian Napa	[ Alternate Link ]		Jan 08 2026 at 1:44 PM PST	Jan 09 2026 at 9:00 AM PST
USA	Upper Sacramento	[ Alternate Link ]		Jan 08 2026 at 1:36 PM PST	Jan 09 2026 at 9:00 AM PST
LSC	Lower Sacramento	[ Alternate Link ]		Jan 08 2026 at 1:43 PM PST	Jan 09 2026 at 9:00 AM PST
SJ	San Joaquin	[ Alternate Link ]		Jan 08 2026 at 2:06 PM PST	Jan 09 2026 at 9:00 AM PST
CC	Central Coast	[ Alternate Link ]		Jan 08 2026 at 1:44 PM PST	Jan 09 2026 at 9:00 AM PST
SCA	Southern California	[ Alternate Link ]		Jan 08 2026 at 1:47 PM PST	Jan 09 2026 at 9:00 AM PST
ES	Eastern Sierra	[ Alternate Link ]		Jan 08 2026 at 1:54 PM PST	Jan 09 2026 at 9:00 AM PST
HBT	Humboldt	[ Alternate Link ]		Jan 08 2026 at 1:54 PM PST	Jan 09 2026 at 9:00 AM PST
SAC	Sacramento Delta (Tides)	[ Alternate Link ]		Jan 08 2026 at 6:06 AM PST	Jan 09 2026 at 9:00 AM PST
** NOTE 1 **  The Klamath and North Coast Forecast Group river guidance points are included in the North Coast Bulletin Group.
** NOTE 2 **  The Feather Yuba, American, and Cache Putah Forecast Group river guidance points are included in the Lower Sacramento River Bulletin Group.
** NOTE 3 **  The Delta Region, Upper and Lower San Joaquin, and Tulare Forecast Group river guidance points are combined in the San Joaquin River Bulletin Group.
** NOTE 4 **  The Salinas Pajaro and South Bay Forecast Group river guidance points are included in the Central Coast Bulletin Group.
** NOTE 5 **  The Southern California and San Diego/Inland Forecast Group river guidance points are included in the Southern California Bulletin Group.

Tide Tables

Official annual NOAA tide tables are produced by the Center for Operational Oceanographic Products and Services.  Please use the links below to navigate to the NOAA tide tables and to view real-time data from the CA Department of Water Resources.

NOAA Tide Predictions Home  For annual tide tables, navigate to your desired location and then use the button on the right side of the page.
NOAA Tide Predictions Map
NOAA Tide Predictions Users Guide
NOAA Vertical Datum Transformation Tools (download and online versions)

Quick Links to Selected Annual Tide Tables:
    Location: San Francisco (Golden Gate Bridge) Rio Vista Antioch Mallard Island Venice Island Sacramento (I Street Bridge) Three-Mile Slough Stockton (Rough & Ready Island) Go

Historical Graphical River Forecasts

Verification graphics of the CNRFC River Guidance "Flood Forecast Points" are available. To create your graphic, either:

• go directly to the Historical Graphical River Forecast Interface, or
• select a location from the map at the top of this page, and use the date selector on the particular graphical river forecast.

CNRFC/National Water Model Verification Graphics

Verification graphics for various lead times comparing CNRFC and National Water Model forecasts are available here.