Rio De La Plata At Hwy 2 Near Toa Alta flow report

Puerto Rico, USA USGS #50046000 ↗

As of July 13, 2026, Rio De La Plata At Hwy 2 Near Toa Alta is flowing at 22 cfs with a gage height of 3.30 ft, receding 10% over the past 24 hours. Source: USGS gauge #50046000, refreshed throughout the day.

⚠ Heat Advisory · Heat Advisory issued July 13 at 12:47AM AST until July 13 at 5:00PM AST by NWS San Juan PR
Stale data This gauge hasn’t reported in days (last reading unknown). The readings below may not reflect current conditions.
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Right now · latest observation
Rio De La Plata At Hwy 2 Near Toa Alta
USGS gauge #50046000
22 cfs streamflow
Latest reading from this gauge.
Gage height
3.30ft
Water temp
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% of median
Since yesterday
↓ -10%
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Conditions summary

Rio De La Plata At Hwy 2 Near Toa Alta at a glance

How Rio De La Plata At Hwy 2 Near Toa Alta is running right now, where it sits on the map, and the key gauge stats.

Rio De La Plata At Hwy 2 Near Toa Alta is flowing at 22 cfs, with the water sitting 3.30 ft at the gage. Flow is down 10% since yesterday as the gauge recedes.

This is USGS gauge #50046000 in Puerto Rico. Over the past 10 days the average has been 28 cfs, peaking at 46 cfs.

Over the next 5 days, Rio De La Plata At Hwy 2 Nr Toa Alta is expected to rise from today's 24 cfs, toward roughly 27 cfs by 2026-07-17 (likely range 11-67 cfs) -- running well below the seasonal normal.

For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Puerto Rico flow report.

Rio De La Plata At Hwy 2 Near Toa Alta on the map Open map →
Site IDUSGS 50046000
Last updated2026-07-13
Gage height, ft3.3 ft
Streamflow, ft³/s22.0 ft3/s
Stream water level elevation above Puerto Rico Datum of 2002, feet11.62 ft
Max recorded58,300 cfs
Streamflow outlook

Streamflow Forecast

Powered by PULSE — Snoflo’s Predictive Unified Learning & Simulation Engine, which learns from how this river has answered every past storm, snowmelt, and dry spell to forecast where it’s headed with a precision generic models can’t match.

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Historical context

How does this compare to past years?

Year-over-year overlay, annual peak discharge, the full distribution of daily flows on record, and the gauge's rating curve.

Detailed forecast

Weather Forecast

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day forecast

Daily temperatures, snow, and rain projected over the next two weeks.

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About this location

Rio De La Plata At Hwy 2 Near Toa Alta

The main tributary to this river is the Rio Cibuco, which flows into the Rio de la Plata near the stream gauge. There are no major dams along the river. Seasonal trends show increased flow during the wet season and decreased flow in the dry season. The hydrology of the Rio de la Plata is unique due to its proximity to urban areas and agricultural land, which can contribute to increased pollution and sedimentation. Overall, the Rio de la Plata is an important water resource for Puerto Rico and its surrounding communities.

Regional streamflow

Nearby streamflow levels

Cross-check Rio De La Plata At Hwy 2 Near Toa Alta's discharge against nearby gauges to spot whether the change here is local or regional.

Nearby recreation

Plan a trip

Reservoirs, boat launches, river runs, and fishing spots within driving distance of Rio De La Plata At Hwy 2 Near Toa Alta.

River levels & flood safety

Read the level before you go
A river that's runnable at one flow can be deadly at another. Check current discharge and gage height — like the values shown above — against the flood-stage thresholds, and remember levels can spike fast after rain or a dam release.
Respect cold water
Snowmelt rivers run cold even in summer. Sudden immersion triggers cold-water shock and saps strength within minutes. Wear a PFD, dress for the water temperature (not the air), and never wade or paddle alone.
Watch for swiftwater hazards
Strainers (downed trees), undercut rocks, and low-head dams are the deadliest features on moving water. High, fast, muddy water hides them. If in doubt, scout from shore and portage.
Mind flash floods & releases
Narrow canyons can flood from a storm miles upstream, and dam-controlled reaches can rise without warning. Know the forecast, the release schedule, and your exit before you launch.

Track Rio De La Plata At Hwy 2 Near Toa Alta in the Snoflo app

Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when Rio De La Plata At Hwy 2 Near Toa Alta crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.

FAQ

About Rio De La Plata At Hwy 2 Near Toa Alta

Where does the streamflow data for Rio De La Plata At Hwy 2 Near Toa Alta come from?

Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 50046000. Snoflo refreshes the time series throughout the day. Forecasts come from the NOAA / yr.no feed Snoflo's iOS app uses.

How often is the report updated?

USGS gauges report continuously (typically every 15 minutes). Snoflo pulls fresh values throughout the day — look for the "as of" timestamp on the streamflow hero card.

What's the difference between discharge and gage height?

Discharge (cubic feet per second, or cfs) is the volume of water flowing past the gauge each second. Gage height is how high the water sits at the gauge (feet). They're related by a rating curve specific to each gauge — higher water means more flow, but the exact ratio depends on channel shape.

How is "percent of median" calculated?

Today's discharge is compared to the historical median discharge on this calendar day across the gauge's full record. 100% = right on median; 200% = a very high year; 30% = a drought-level low.

What are flood stages, and is this river safe right now?

Flood stages are NWS-defined gage-height thresholds — Action, Minor, Moderate, Major — marking when nearby roads or floodplains start to be affected. "Safe" depends on your activity and skill: a level that's a fun paddle for an expert can be lethal for a wader. Always check the current level against the thresholds above and the safety links, and when in doubt, stay off the water.

Can I get alerts when Rio De La Plata At Hwy 2 Near Toa Alta rises?

Yes — flow alerts are managed in the Snoflo iOS app. Favorite this gauge, set a streamflow threshold (e.g. "alert me when discharge crosses 5,000 cfs"), and you'll get a push the moment USGS reports the crossing.