TideAhead
FloridaNOAA 8723571

Main Key, Barnes Sound Tides & Coastal Conditions

Official tide predictions, weather observations and forecasts, marine-grid context, astronomy, and jurisdiction-specific rules for this NOAA station.

Partial official dataUpdated 4:21 AM UTC

Current Conditions

Tide predictions are relative to MLLW. NWS point and marine-grid forecasts can differ at exposed shorelines.

Derived tide now
0.5ft
rising · Between official extrema · Station 8723571
Next low tide
11:20 AM
Thu, Sep 240.2 ft
Next high tide
4:36 PM
Thu, Sep 240.5 ft
Current Weather
—

Official weather unavailable

Unavailable

Tide Forecast
NOAA Main Key, Barnes Sound · Station 8723571 · MLLW datum · local time
Subordinate station · NOAA reference station 8723178
currentDerived continuous curve
NOAA provides official high/low predictions for this subordinate station. The dashed curve and tide-now height are bounded half-cosine estimates between adjacent official extrema; no values are extrapolated beyond them.
-1 ft-0.3 ft0.5 ft1.3 ft2 ft0.2 ft0.5 ft0.2 ft0.5 ft0.2 ft0.6 ft0.2 ft0.6 ftThu, Sep 243:57 AMThu, Sep 243:50 PMFri, Sep 253:44 AMFri, Sep 253:40 PMSat, Sep 263:36 AM
Dots are official NOAA high/low predictions. The dashed line is a bounded half-cosine estimate between adjacent extrema; it is not an official six-minute NOAA prediction and is never extrapolated beyond those points. Times are shown in the place's local timezone.

Weather, Light & Marine

Conditions that affect shoreline access, small craft, fishing and surf.

Air

TemperatureUnavailable

HumidityUnavailable

PressureUnavailable

Wind

SustainedUnavailable

GustsUnavailable

Rain chanceUnavailable

Marine

Wave heightUnavailable

DirectionUnavailable

WaterUnavailable
Sun & Moon

SunriseUnavailable

SunsetUnavailable

MoonUnavailable

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Hourly forecast unavailable. Check the National Weather Service before making weather-sensitive plans.

Fishing, Crabbing & Surfing Analysis

These scores use the available tide, wind, and marine data. They do not predict catches, report local activity, or replace safety notices.

A planning score is unavailable because the required current official tide, weather, or marine inputs are incomplete.

Florida Fish and Wildlife Conservation Commission fishing rulesFlorida · state or territoryNOAA Fisheries federal recreational fishing resourcesU.S. federal waters · federalNational Weather Service rip-current safetyUnited States · safety
Nearby NOAA Tide Stations
Official station locations from the national NOAA CO-OPS tide-prediction catalog.

Manatee Creek, Manatee Bay, Barnes Sound

NOAA 8723575 · FL

1.9 mi

Little Card Sound bridge

NOAA 8723534 · FL

3.8 mi

Cormorant Point, Key Largo, Card Sound

NOAA 8723532 · FL

5.1 mi

Garden Cove, Key Largo

NOAA 8723622 · FL

5.2 mi

Largo Sound, Key Largo

NOAA 8723651 · FL

6.9 mi

Wednesday Point, Key Largo, Card Sound

NOAA 8723518 · FL

8.0 mi

Sources And Confidence

NOAA CO-OPS official high/low tide predictions at Main Key, Barnes Soundofficial-forecast

Fetched Thu, Sep 24 at 4:21 AM

Not for navigation. Conditions can change faster than source update intervals. Always check local warnings, closures and on-site conditions.