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Florida · Miami / Biscayne Bay

Mangrove / gray snapper are the hunt — wait for the next incoming; they will not eat a bad presentation here. Heat is the clock — first light or last light.

North end of the grand-slam stage. Bones and permit on the oceanside flats and ocean banks, baby tarpon and snook in the west-side mangroves. Educated fish, short windows, boat traffic.

  • ⚠ Extreme water temperature. Fish stress quickly — keep them wet, or don't boat them.
  • ⚠ Snook are typically closed to harvest on the SE/Atlantic coast in this window. Verify FWC.
7.7OF 10

Today

high confidence

Morning line

Biscayne 7.7 this morning. 4 mph SE. Clear · 1%. Wind versus the table: +0.3 ft. YOLO day is Monday, August 31. Scores are 1–10, not a bite.

Mail it
-0.20.61.32.02.8LHLHLHLHNOWSun 8 PMMon 8 PMTue 8 PMWed 8 PMThu 8 PM
low slack · 0.64 ftNOAA hourly · ft MLLW

Wind

NOAA

NESW4MPH

From SE · gust 6

Sky

1% rain

Clear

Clear · 1%

A 20% shower chance is not a cancel. A soaker is.

Moon

91% lit

Waxing gibbous

mid range · 91%

Water

NOAA 8723214

Water

90.1°

48°92°

Today’s range 2.0 ft

low slack

0.64 ft MLLW

Wind vs table

Observed − predicted

+0.26 ft

Observed minus predicted. Read the water, not just the printout.

Clock

NOAA 8723214

  • LowTue 1:27 AM · 0.61
  • HighTue 7:36 AM · 2.10
  • LowTue 1:51 PM · 0.29
  • HighTue 8:12 PM · 2.24
  • LowWed 2:14 AM · 0.52

Monthly YOLO day

Monday, August 31 · 9.0

Best remaining dry day this month with a real wind forecast. waning gibbous · mid · tide range ~2.3 ft · wind to 14 mph · Clouds · 45%

Stay or drive · Biscayne vs Key LargoOpen the calendarMorning dispatch

Next two weeks

Pulling the 14-day strip…

Where

  • Cape Florida Channel

    channel gut · public structure · deep

    7.2

    USGS GNIS 279999. The Key Biscayne throat. Current seams, not a wade.

    USGS GNIS 279999

    • — channel gut on a low slack tide is a workable match.
    • — Water is hot — deeper guts, passes, and shade hold oxygen and fish.
    skiffspinfly

  • Stiltsville / Cape Florida edge

    sand dropoff · public structure · mid

    5.5

    Public geography. Tide seams off Key Biscayne. Virginia Key gauge is the clock.

    • — sand dropoff on a low slack tide is a secondary match.
    skiffflyspin

  • West-side mangroves

    mangrove edge · field manual · mid

    5.0

    Baby tarpon and snook. Not the oceanside slam. Outgoing along the roots.

    • — mangrove edge on a low slack tide is a secondary match.
    skiffkayakflyspin

  • Featherbed Bank

    hard flat · public structure · skinny

    4.9

    USGS GNIS 282399. South Biscayne classic. Incoming on the bank. Educated bones. Boat traffic is part of the problem.

    USGS GNIS 282399

    • — hard flat on a low slack tide is a secondary match.
    skiffflyspin

  • Safety Valve

    hard flat · public structure · skinny

    4.9

    USGS GNIS 293633. Oceanside flood. Permit and bones on a clean incoming. Wind from the east dirties it fast.

    USGS GNIS 293633

    • — hard flat on a low slack tide is a secondary match.
    skifffly

When

  • Incoming water

    10.0

    Tue 3:00 AM → Tue 9:00 AM

    Moving water in the right part of the day.

  • Outgoing water

    9.1

    Tue 9:00 AM → Tue 4:00 PM

    Water is moving, but the clock is against you — heat or dark.

  • Incoming water

    10.0

    Tue 3:00 PM → Tue 10:00 PM

    Water is moving, but the clock is against you — heat or dark.

  • Outgoing water

    10.0

    Tue 9:00 PM → Wed 4:00 AM

    Moving water in the right part of the day.

  • Incoming water

    10.0

    Wed 3:00 AM → Wed 10:00 AM

    Moving water in the right part of the day.

Launch and beach access

County and state ramps near this water. FKNMS no-take is Keys-only, on the legal list.

  • Matheson Hammock Park

    Miami-Dade Parks

    West-side mangrove and basin launch. Baby tarpon and snook water, not the oceanside slam.

    Official source

  • Crandon Marina

    Miami-Dade Parks

    Key Biscayne. Oceanside banks and Stiltsville from here. Park fee.

    Official source

  • Black Point Marina

    Miami-Dade Parks

    South Biscayne. Featherbed and the Safety Valve are the run.

    Official source

Legal water

NOAA FKNMS management zones — Sanctuary Preservation Areas, Ecological Reserves, Research-Only.

No FKNMS polygon in this box. Mainland Florida, Louisiana, Texas, Mexico, and the Bahamas are not Keys sanctuary closures.

Why — and who

  • — Tide is low slack from NOAA.
  • — Observed water is close to the astronomical prediction — the table is telling the truth today.
  • — Water 90.1°F. Heat is the locator: early, late, deeper.
  • — Clear · 1%. Sky is workable.
  • — Wind 4 mph SE. Castable. Sight-fishing is on if the sun is out.
  • — Waxing gibbous moon — mid tide range. Sight water often prefers a moderate range and clean water over a huge spring.

Mangrove / gray snapper

Lutjanus griseus

5.9

Thermal window

90.1°

64°92°

In peak season for this water. Water 90°F is the hot edge for this fish.

Florida: typically 10 in, inside the snapper aggregate. Verify FWC.

Tarpon

Megalops atlanticus

4.1

Thermal window

90.1°

68°94°

Present, not peak. Water 90°F is the hot edge for this fish.

Florida: catch-and-release. Fish over 40 in must stay in the water. One harvest tag/year only for a potential IGFA record.

Permit

Trachinotus falcatus

4.1

Thermal window

90.1°

66°92°

Present, not peak. Water 90°F is the hot edge for this fish.

Florida: hook-and-line. Special Permit Zone (Keys) is tighter than the rest of the state — typically C&R. Verify FWC.

Bonefish

Albula vulpes

2.3

Thermal window

90.1°

64°92°

Off-season here. Water 90°F is the hot edge for this fish.

Florida: catch-and-release only, hook-and-line only.

Snook

Centropomus undecimalis

1.4

Thermal window

90.1°

56°92°

Closed to harvest — still swims, do not keep. Present, not peak. Water 90°F is the hot edge for this fish.

Region matters. SE/Atlantic (Jupiter, Biscayne): typically 28–32 in, 1/day, closed Dec 15–Jan 31 and June 1–Aug 31. Charlotte Harbor / Southwest (Boca Grande): typically 28–33 in, closed Dec 1–end of Feb and May 1–Sep 30. Snook permit required. Verify FWC.

Jack crevalle

Caranx hippos

5.8

Thermal window

90.1°

64°94°

Bycatch and beach noise — not the reason you came. In peak season for this water. Water 90°F is the hot edge for this fish.

Generally unregulated. Still, do not leave a pile.

Great barracuda

Sphyraena barracuda

5.8

Thermal window

90.1°

66°92°

Bycatch and beach noise — not the reason you came. In peak season for this water. Water 90°F is the hot edge for this fish.

Generally unregulated. Ciguatera risk rises with size. Do not keep a big one for the table.

Regs citedFWC saltwater recreational · current FWC regional rules · rolls in 8 days. Snook closures are regional. Boca Grande is not Jupiter. Verify FWC before you keep one.