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In Puerto Rico, Lago Guayabal is a reservoir used for time on and around the water. The water surface spans about 336 acres, making it a modest body of water. Research-grade observations nearby include Redear Sunfish and Largemouth Bass. If you are planning a trip, Lago Toa Vaca, Lago Cerrillos, and Lago El Guineo are also nearby. Water data on this page comes from a mapped monitoring station near the lake. Below you will find an hourly and 7-day forecast, wind and gust outlook, water readings, fishing conditions, and activity scores for boating, paddling, and swimming. This page combines the live forecast, wind, and conditions for Lago Guayabal so you can plan a visit.
Updated
No active alerts for this lake as of the last check (Oct 11, 1:48 PM AST). Alerts are re-checked automatically; see the official source for updates.
Overall Fair (57/100) across 4 activities. Best right now: Sailing (72/100).
How the score is calculated →Best excellent fishing window, averaging 92/100 across these hours. Wind 7 mph from the east. Dusk hours (19:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 89° | 89° | 87° | 83° | 80° | 78° | 77° | 76° | 76° | 75° | 74° | 74° | 73° | 72° | 72° | 71° | 71° | 74° | 78° | 81° | 84° | 86° | 88° | 88° |
| Wind (kts) | 11 | 10 | 10 | 10 | 10 | 8 | 6 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 8 | 9 | 9 |
| Direction | SE | SE | SE | SE | SE | SE | E | E | E | NE | NE | NE | NE | NE | NE | NE | NE | NE | E | E | E | SE | SE | SE |
| Gusts (kts) | 14 | 13 | 13 | 13 | 11 | 9 | 7 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 9 | 10 | 10 |
| Precip % | 20% | 20% | 10% | 10% | 10% | 2% | 2% | 2% | 1% | 1% | 1% | 20% | 20% | 20% | 9% | 9% | 9% | 4% | 4% | 4% | 7% | 7% | 7% | 60% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 1 PM AST | 89°F | 13 mph SE (135°) | 16 mph | 20% | 40% | Isolated Rain Showers |
| Sun, 2 PM AST | 89°F | 12 mph SE (135°) | 15 mph | 20% | 40% | Isolated Rain Showers |
| Sun, 3 PM AST | 87°F | 12 mph SE (135°) | 15 mph | 10% | 30% | Isolated Rain Showers |
| Sun, 4 PM AST | 83°F | 12 mph ESE (113°) | 15 mph | 10% | 30% | Isolated Rain Showers |
| Sun, 5 PM AST | 80°F | 12 mph ESE (113°) | 13 mph | 10% | 30% | Isolated Rain Showers |
| Sun, 6 PM AST | 78°F | 9 mph ESE (113°) | 10 mph | 2% | 5% | Clear |
| Sun, 7 PM AST | 77°F | 7 mph E (90°) | 8 mph | 2% | 5% | Clear |
| Sun, 8 PM AST | 76°F | 6 mph ENE (68°) | 7 mph | 2% | 5% | Clear |
| Sun, 9 PM AST | 76°F | 5 mph ENE (68°) | 6 mph | 1% | 5% | Clear |
| Sun, 10 PM AST | 75°F | 5 mph NE (45°) | 6 mph | 1% | 5% | Clear |
| Sun, 11 PM AST | 74°F | 5 mph NE (45°) | 6 mph | 1% | 5% | Clear |
| Mon, 12 AM AST | 74°F | 5 mph NE (45°) | 6 mph | 20% | 40% | Isolated Rain Showers |
| Mon, 1 AM AST | 73°F | 5 mph NE (45°) | 6 mph | 20% | 40% | Isolated Rain Showers |
| Mon, 2 AM AST | 72°F | 5 mph NE (45°) | 6 mph | 20% | 40% | Isolated Rain Showers |
| Mon, 3 AM AST | 72°F | 5 mph NE (45°) | 6 mph | 9% | 29% | Isolated Rain Showers |
| Mon, 4 AM AST | 71°F | 5 mph NE (45°) | 6 mph | 9% | 29% | Isolated Rain Showers |
| Mon, 5 AM AST | 71°F | 5 mph NE (45°) | 6 mph | 9% | 29% | Isolated Rain Showers |
| Mon, 6 AM AST | 74°F | 5 mph NE (45°) | 6 mph | 4% | 21% | Sunny |
| Mon, 7 AM AST | 78°F | 5 mph ENE (68°) | 6 mph | 4% | 21% | Sunny |
| Mon, 8 AM AST | 81°F | 6 mph ENE (68°) | 7 mph | 4% | 21% | Sunny |
| Mon, 9 AM AST | 84°F | 7 mph E (90°) | 8 mph | 7% | 27% | Isolated Rain Showers |
| Mon, 10 AM AST | 86°F | 9 mph ESE (113°) | 10 mph | 7% | 27% | Isolated Rain Showers |
| Mon, 11 AM AST | 88°F | 10 mph ESE (113°) | 12 mph | 7% | 27% | Isolated Rain Showers |
| Mon, 12 PM AST | 88°F | 10 mph ESE (113°) | 12 mph | 60% | 80% | Chance Showers And Thunderstorms |
| Mon, 1 PM AST | 89°F | 10 mph ESE (113°) | 12 mph | 60% | 80% | Chance Showers And Thunderstorms |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | This Afternoon October 11, 2026 | Tonight October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 | Saturday Night October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 89° | 71° | 89° | 71° | 89° | 73° | 90° | 72° | 90° | 72° | 90° | 72° | 90° | 70° |
| Wind | SE 13 mph | ENE 5 to 9 mph | E 5 to 10 mph | NE 2 to 7 mph | ENE 3 to 9 mph | ENE 2 to 6 mph | ENE 5 to 14 mph | NE 3 to 8 mph | E 3 to 8 mph | NE 3 to 7 mph | E 3 to 9 mph | ENE 2 to 8 mph | E 3 to 9 mph | ENE 7 mph |
| Gusts | 16 mph | 10 mph | 12 mph | 8 mph | 10 mph | 7 mph | 18 mph | 9 mph | 9 mph | 8 mph | 10 mph | 9 mph | 10 mph | 8 mph |
| Precip % | 20% | 20% | 70% | 10% | 50% | 9% | 60% | 9% | 60% | 5% | 50% | 2% | 50% | 2% |
| Forecast |
Poor for fishing (50/100), from 5 available inputs. Supporting this: Wind 13 mph from the southeast. Sky is mostly cloudy (40% cloud cover). The forecast mentions thunderstorms, which carries a risk penalty. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Fair for boating (57/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 13 mph from the southeast. The forecast mentions thunderstorms, which carries a risk penalty. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Fair for sailing (72/100), from 4 available inputs. Supporting this: Wind 13 mph from the SE is in the preferred sailing range. Gusts are within 3 mph of sustained wind, so the breeze is steady. The forecast mentions thunderstorms, which carries a risk penalty. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Fair for kayaking (56/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 13 mph from the southeast. The forecast mentions thunderstorms, which carries a risk penalty. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of PR Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Offering scenic water views and diverse outdoor activities, Lago Guayabal is a premier destination in PR for boaters, anglers, and nature enthusiasts. Its waters support healthy gamefish populations alongside seasonal paddlecraft exploration. Review local launch regulations and safety guidelines before putting in for the day.
Valid state fishing license issued by PR wildlife conservation authorities is required for all sport angling. Check local daily bag limits.
Current motorized watercraft registration mandatory. Practice Clean, Drain & Dry protocols: drain all livewells and inspect props before launching. Life jackets required for all passengers.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
Low-wake cruising, electric-troll fishing craft, and quiet-water exploration. Target gamefish include Redear Sunfish, Largemouth Bass. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
NWS API Web Service · License: U.S. Government work · Attribution: Data provided by the National Weather Service (api.weather.gov)
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Lago Guayabal is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 1:48 PM AST