Gutters · Fish Hawk

Gutters in Fish Hawk, FL

In Fish Hawk, a 5-minute downpour in a 10-year storm falls at 9.62 inches an hour, and Tampa's normal year brings 49.48 inches. That burst sets how much water your gutters must move. Many gutter systems are sized for gentler rain than that. The sizing, the Florida outlet rule and the effect of leaves and trees all follow from those local rates.

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Updated October 2026

Drone view of a single-story home with a brown-gray shingle roof and box vents under large oak trees, a metal carport roof in the corner and a street behind.

Fish Hawk figures this page uses

Housing units (ACS 5-year): 8,230
Median year homes were built: 2009
Owner-occupied share of occupied homes: 80.1%
Single-family detached share of housing units: 81.3%

Sizing for local rain

How Fish Hawk rain sizes your gutters

Gutter capacity is set by the rainfall rate the roof has to shed, not by how much rain falls in a day. For Fish Hawk, the short burst is the number that counts. The 5-minute, 10-year rate of 9.62 inches an hour rises to 12.8 inches an hour in a 100-year storm.

Close-up of a fine stainless micro-mesh gutter guard over a white gutter at a shingle roof edge, with oak leaves, catkins and raindrops resting on top (illustration)

Illustration: micro mesh guard

The plumbing code sizes horizontal gutters from the flow off the roof surface and gives capacities by width and slope. A half-round 6-inch gutter at 1/8 inch per foot carries about 110 gallons per minute, while a 5-inch one carries 74. By our arithmetic, the 6-inch size carries about 49 percent more, which matters on a larger roof plane.

Downspouts are sized the same way. A 2 1/2 by 3 inch downspout moves about 92 gallons per minute, and a 3 by 4 1/4 inch or 4-inch round downspout moves about 192. Steep roof pitches raise the design area, and a wall that sheds rain onto the roof adds half its area to the calculation. Ask your installer to show the numbers for your roof.

Keep water off the foundation

Downspout discharge and where the water goes

Florida code calls for gutters with downspouts on buildings with eaves under 6 inches of horizontal projection, with exceptions for gable end rakes and for a roof above another roof. The outlet has to land clear of the house, with a Fish Hawk lot's drainage carrying the water away from the slab.

Fish Hawk homes are mostly single-family detached houses on owner-occupied lots, so the downspout outlet is usually the owner's job to check. Many of these homes were built around 2009, which suggests the gutter layout was set for the original plan. If a downspout dumps near the slab, check its outlet first.

Check that each outlet lands clear of the wall.
Look for splash or pooling at the slab after a heavy rain.
Confirm the community's drainage rules with the homeowner association or CDD before you change grading.

Keep the system open

Leaves, pine needles and cleaning schedule

Live oaks shed leaves and fruit that collect in Fish Hawk gutters as a steady litter problem. Pollen in Florida peaks in March and April, and oaks and pines are major producers. Pine needles fall most in September through November, so the autumn peak is the one to plan for.

Under oaks and pines, a sensible rhythm is after the spring leaf drop, before the June through September storm season, and after the autumn needle peak. Cleaning more often suits a heavy canopy. Blocked runs in Fish Hawk can soak fascia and the slab edge, so the schedule is worth keeping.

Rain on your roof

Roof area (square feet)Rain (inches)

Preset: 6.26 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Fish Hawk).

7,800 gallons run off that roof, all of it toward the gutters and downspouts.

Math: square feet × inches × 0.623 gallons.

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Questions

Gutters in Fish Hawk: questions

How big should my gutters be for Fish Hawk rain?

Start with the 5-minute, 10-year rate of 9.62 inches an hour in Fish Hawk. That short burst sets the flow the gutters must carry. A half-round 6-inch gutter at 1/8 inch per foot carries about 110 gallons per minute, while a 5-inch carries 74. Ask your installer to size the system from the roof area and pitch, and to show the gallons per minute each size carries.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Fish Hawk 2020 Census internal point (27.8493, -82.2151), read Oct 5, 2026

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How far from the wall must a downspout discharge?

The Florida Building Code requires each downspout to discharge at least 1 foot from the sidewall. That clearance applies to Fish Hawk homes, where a 10-year storm can drop 6.26 inches in 24 hours. The distance can come from underground piping, tail extensions or splash blocks. Check this after a heavy rain, when water shows where it lands. If the outlet sits near the slab, correct it before water reaches the foundation.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Fish Hawk 2020 Census internal point (27.8493, -82.2151), read Oct 5, 2026

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How often should I clean gutters under oaks and pines?

In Fish Hawk, clean them after the spring oak leaf drop, before the June through September storm season, and after the autumn pine-needle peak from September through November. About 61 percent of Tampa's 49.48 inches of yearly rain falls June through September, so clear gutters before that stretch. A heavy canopy means cleaning more often. Plan on at least two cleanings a year.

Source: NOAA NCEI U.S. Climate Normals 1991-2020, station USW00012842 TAMPA INTL AP, read Oct 5, 2026

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Do I need gutters on a Fish Hawk home?

Florida code asks for gutters with downspouts where eaves project less than 6 inches, with exceptions at gable end rakes and on a roof above another roof. Many Fish Hawk homes were built around 2009, so check the existing layout against that rule. Confirm any change with the Hillsborough County building office.

Source: 2023 Florida Building Code, Residential, 8th ed., R318.5 (UpCodes viewer, unofficial transcription); FBC-Building 1503.7, read Oct 5, 2026

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