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Official National Weather Service (NWS) point forecast and real-time wind conditions for Guntersville Lake (Alabama). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Flood Watch issued October 8 at 10:42PM CDT until October 11 at 7:00AM CDT by NWS Huntsville AL
Today: High 79°F · Low 59°F
Peak gusts: 17 mph · Lake surface chop expected
Humidity: 68% · Barometer: 30.00 inHg
USGS water monitoring available for Guntersville Lake.
Flood Watch issued October 8 at 10:42PM CDT until October 11 at 7:00AM CDT by NWS Huntsville AL
Poor for boating (44/100), from 4 available inputs. Supporting this: Wind 5 mph from the east. Gusts to 17 mph. Working against it: Active severe alert: Flood Watch. 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 fishing (67/100), from 5 available inputs. Supporting this: Wind 5 mph from the east. 0% chance of precipitation. 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.
Poor for kayaking (47/100), from 5 available inputs. Supporting this: Wind 5 mph from the east. Gusts to 17 mph. Working against it: Active severe alert: Flood Watch. 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. Supporting this: 0% chance of precipitation. Wind 5 mph from the east. Working against it: Active severe alert: Flood Watch. The forecast mentions thunderstorms, which carries a risk penalty. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 10 AM | 72°F | 5 mph | E | ⚡ 17 mph | 0% | Mostly Sunny |
| 11 AM | 75°F | 5 mph | E | ⚡ 18 mph | 0% | Mostly Sunny |
| 12 PM | 76°F | 10 mph | E | ⚡ 20 mph | 0% | Mostly Sunny |
| 1 PM | 77°F | 10 mph | E | ⚡ 20 mph | 0% | Mostly Sunny |
| 2 PM | 78°F | 10 mph | E | ⚡ 21 mph | 0% | Mostly Sunny |
| 3 PM | 79°F | 10 mph | E | ⚡ 21 mph | 0% | Mostly Cloudy |
| 4 PM | 77°F | 10 mph | E | ⚡ 20 mph | 0% | Cloudy |
| 5 PM | 76°F | 10 mph | E | ⚡ 22 mph | 0% | Cloudy |
| 6 PM | 75°F | 10 mph | E | ⚡ 23 mph | 0% | Cloudy |
| 7 PM | 71°F | 10 mph | E | ⚡ 23 mph | 3% | Cloudy |
| 8 PM | 69°F | 15 mph | E | ⚡ 27 mph | 5% | Cloudy |
| 9 PM | 67°F | 15 mph | E | ⚡ 30 mph | 10% | Cloudy |
| 10 PM | 66°F | 15 mph | E | ⚡ 31 mph | 23% | Slight Chance Rain Showers |
| 11 PM | 64°F | 15 mph | E | ⚡ 33 mph | 34% | Chance Rain Showers |
| 12 AM | 63°F | 15 mph | E | ⚡ 35 mph | 49% | Chance Rain Showers |
| 1 AM | 61°F | 15 mph | E | ⚡ 36 mph | 55% | Showers And Thunderstorms Likely |
| 2 AM | 60°F | 20 mph | E | ⚡ 38 mph | 79% | Showers And Thunderstorms |
| 3 AM | 59°F | 20 mph | E | ⚡ 39 mph | 96% | Showers And Thunderstorms |
| 4 AM | 59°F | 20 mph | E | ⚡ 41 mph | 81% | Showers And Thunderstorms |
| 5 AM | 59°F | 20 mph | E | ⚡ 37 mph | 77% | Showers And Thunderstorms |
| 6 AM | 59°F | 20 mph | E | ⚡ 39 mph | 68% | Showers And Thunderstorms Likely |
| 7 AM | 59°F | 20 mph | E | ⚡ 40 mph | 65% | Rain Showers Likely |
| 8 AM | 60°F | 20 mph | E | ⚡ 39 mph | 52% | Chance Rain Showers |
| 9 AM | 62°F | 20 mph | E | ⚡ 40 mph | 87% | Rain Showers |
Mirror-like to gentle rippled water. Optimal conditions for paddleboarding, kayaking, swimming, and beginner water skiing or wakeboarding.
Pleasant breeze with small wavelets. Great for sailing, pleasure cruising, pontoon boats, and trolling for trout and bass.
Moderate waves with whitecaps likely. Requires skilled boat handling; kayaks, canoes, and stand-up paddleboards should stay close to sheltered bays.
Steep waves, cold spray, and hazardous open water. Avoid small craft voyages. Always check official National Weather Service lake wind advisories.
Partly sunny, with a high near 79. East wind 5 to 10 mph, with gusts as high as 25 mph.
A chance of rain showers between 10pm and 1am, then showers and thunderstorms. Cloudy, with a low around 59. East wind 10 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 71. East wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers and thunderstorms. Mostly cloudy, with a low around 60. South wind 10 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
A chance of rain showers before 1pm. Partly sunny, with a high near 72. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Mostly clear, with a low around 57.
Sunny, with a high near 83.
Clear, with a low around 59.
Sunny, with a high near 86.
Clear, with a low around 62.
Sunny, with a high near 86.
Mostly clear, with a low around 62.
Sunny, with a high near 85.
Mostly clear, with a low around 61.
Guntersville Lake currently reports 74°F with wind velocity near 7 mph from the E. Atmospheric forecasts and 24-hour hour-by-hour wind timelines are updated hourly from the National Weather Service gridpoint matching the lake's coordinates.
At Guntersville Lake and surrounding mountain valleys, diurnal heating of the surrounding terrain causes strong thermal pressure differentials known locally as afternoon breezes (such as the Washoe Zephyr at Lake Tahoe). Wind speeds typically peak between 1:00 PM and 5:00 PM before calming near sunset.
For stand-up paddleboarding (SUP), canoeing, and light kayaks, winds under 7 mph (light breeze) offer the safest, glassiest surface conditions. Between 8–14 mph, small wavelets develop, suitable for sailboats and powerboats. Winds exceeding 15 mph create steep whitecaps and rapid drift; winds over 21 mph warrant small craft warnings.
All weather and wind telemetry is fetched directly from the National Weather Service (NOAA - WFO HUN) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Guntersville Lake without artificial smoothing or third-party estimates.
Yes. Live hydrological sensor readings, 30-day elevation histories, full-pool benchmarks, and USGS station provenance are available on our dedicated Guntersville Lake Water Level & Temperature page.
View Guntersville Lake Water Level & Temperature →