TideAhead
FloridaNOAA 8724172

Johnson Keys, north end Tides & Coastal Conditions

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

All official layers availableUpdated 12:21 AM EDT

Current Conditions

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

Derived tide now
2.2ft
rising · Between official extrema · Station 8724172
Next high tide
12:44 AM
Thu, Sep 242.2 ft
Next low tide
6:45 AM
Thu, Sep 241.2 ft
Current Weather
81°F

Clear

Observed

ENE 3 mph

Observed
Tide Forecast
NOAA Johnson Keys, north end · Station 8724172 · MLLW datum · local time
Subordinate station · NOAA reference station 8724580
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 ft0.3 ft1.5 ft2.8 ft4 ft2.2 ft1.2 ft2.9 ft0.9 ft2.5 ft1.0 ft2.9 ft0.9 ftThu, Sep 2412:12 AMThu, Sep 2412:03 PMThu, Sep 2411:58 PMFri, Sep 2511:52 AMFri, Sep 2511:49 PM
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

Temperature81°FObserved

Humidity89%Observed

PressureUnavailable

Wind

SustainedENE 3 mphObserved

Gusts7 mphModel

Rain chance46%Model

Marine

Wave height0.0 ftModel

DirectionCalm / No DirectionModel

Water85.3°FObservedNOAA Vaca Key, Florida Bay · 14.1 mi Away
Sun & Moon

Sunrise7:15 AM

Sunset7:19 PM

MoonWaxing Gibbous

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Thu, Sep 24, 202612:00 AMChance Showers And Thunderstorms82°FSE 5 mph7 mph46%
Thu, Sep 24, 20261:00 AMChance Showers And Thunderstorms82°FSE 5 mph7 mph46%
Thu, Sep 24, 20262:00 AMChance Showers And Thunderstorms82°FS 5 mph6 mph46%
Thu, Sep 24, 20263:00 AMChance Showers And Thunderstorms82°FS 5 mph6 mph46%
Thu, Sep 24, 20264:00 AMChance Showers And Thunderstorms82°FS 5 mph6 mph46%
Thu, Sep 24, 20265:00 AMChance Showers And Thunderstorms82°FNW 5 mph6 mph46%
Thu, Sep 24, 20266:00 AMChance Showers And Thunderstorms81°FNW 5 mph6 mph46%
Thu, Sep 24, 20267:00 AMChance Showers And Thunderstorms82°FNW 5 mph6 mph46%
Thu, Sep 24, 20268:00 AMSlight Chance Showers And Thunderstorms82°FN 5 mph8 mph22%
Thu, Sep 24, 20269:00 AMSlight Chance Showers And Thunderstorms82°FN 5 mph8 mph22%
Thu, Sep 24, 202610:00 AMSlight Chance Showers And Thunderstorms83°FN 5 mph8 mph22%
Thu, Sep 24, 202611:00 AMSlight Chance Showers And Thunderstorms84°FN 5 mph6 mph22%

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.

78/100 · Good
Fishing
Environmental planning guidance, not a catch guarantee.

Best planning window

2 hours around the next tide change

  • Manageable wind3 mph sustained wind
  • Moving waterA rising tide can improve nearshore feeding activity
83/100 · Very good
Crabbing
Conditions are secondary to seasons, closures and safety.

Best planning window

Near slack water, if the marine area is open

  • Regulations requiredConfirm the marine area is open before setting gear
  • Calm surface3 mph wind favors safer gear handling
  • Moderate tidal exchange1.9 ft range in the next cycle
23/100 · Poor
Surfing
Offshore model guidance with nearshore uncertainty.

Best planning window

Compare swell direction, local wind and tide before leaving

  • Limited swell0.0 ft NWS forecast waves
  • Wave period not publishedThe surf score uses available NWS wave height and local wind only
  • Nearshore uncertaintyOffshore model conditions are not the same as breaking-wave height at this beach
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.

Little Pine Key, north end

NOAA 8724177 · FL

1.2 mi

Water Key, west end, Big Spanish Channel

NOAA 8724189 · FL

2.2 mi

Johnson Keys, south end

NOAA 8724153 · FL

2.2 mi

Crawl Key, Big Spanish Channel

NOAA 8724199 · FL

2.3 mi

Horseshoe Keys, south end

NOAA 8724139 · FL

2.5 mi

Little Spanish Key, Spanish Banks

NOAA 8724209 · FL

2.9 mi

Sources And Confidence

NOAA CO-OPS official high/low tide predictions at Johnson Keys, north endofficial-forecast

Fetched Thu, Sep 24 at 12:21 AM

National Weather Service observation and hourly forecastofficial-forecast

Fetched Thu, Sep 24 at 12:21 AM

National Weather Service coastal marine gridofficial-forecast

Fetched Thu, Sep 24 at 12:21 AM

NOAA CO-OPS water temperature at Vaca Key, Florida Bayobserved

Fetched Thu, Sep 24 at 12:21 AM

U.S. Naval Observatory astronomical applicationsofficial-calculation

Fetched Thu, Sep 24 at 12:21 AM

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