TideAhead
South CarolinaNOAA 8665726

Fort Johnson 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 3:38 AM EDT

Current Conditions

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

Derived tide now
2.8ft
falling · Between official extrema · Station 8665726
Next low tide
7:09 AM
Wed, Aug 50.1 ft
Next high tide
1:20 PM
Wed, Aug 55.5 ft
Current Weather
84°F

Mostly Cloudy

Observed

SSW 10 mph

Observed
Tide Forecast
NOAA Station 8665726 · MLLW datum · local time
Subordinate station · NOAA reference station 8665530
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 ft1 ft3 ft5 ft7 ft0.1 ft5.5 ft0.9 ft4.7 ft0.1 ft5.6 ft0.9 ft4.6 ftWed, Aug 53:14 AMWed, Aug 53:08 PMThu, Aug 62:59 AMThu, Aug 62:58 PMFri, Aug 72:51 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

Temperature84°FObserved

Humidity79%Observed

Pressure1017 mbObserved

Wind

SustainedSSW 10 mphObserved

Gusts15 mphModel

Rain chance62%Model

Marine

Wave height0.0 ftModel

DirectionCalm / No DirectionModel

Water85.6°FObservedNOAA Charleston · 2.5 mi Away
Sun & Moon

Sunrise6:36 AM

Sunset8:14 PM

MoonWaning Gibbous

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Wed, Aug 5, 20263:00 AMShowers And Thunderstorms Likely81°FS 8 mph15 mph62%
Wed, Aug 5, 20264:00 AMShowers And Thunderstorms81°FS 8 mph15 mph75%
Wed, Aug 5, 20265:00 AMShowers And Thunderstorms80°FSW 8 mph14 mph86%
Wed, Aug 5, 20266:00 AMShowers And Thunderstorms80°FSW 7 mph13 mph87%
Wed, Aug 5, 20267:00 AMShowers And Thunderstorms79°FSW 7 mph13 mph88%
Wed, Aug 5, 20268:00 AMShowers And Thunderstorms80°FS 6 mph13 mph88%
Wed, Aug 5, 20269:00 AMShowers And Thunderstorms81°FSW 7 mph13 mph81%
Wed, Aug 5, 202610:00 AMShowers And Thunderstorms82°FS 8 mph14 mph76%
Wed, Aug 5, 202611:00 AMShowers And Thunderstorms Likely82°FS 9 mph15 mph71%
Wed, Aug 5, 202612:00 PMChance Showers And Thunderstorms83°FS 9 mph15 mph42%
Wed, Aug 5, 20261:00 PMChance Showers And Thunderstorms83°FS 10 mph16 mph27%
Wed, Aug 5, 20262:00 PMSlight Chance Showers And Thunderstorms84°FS 12 mph17 mph16%

Fishing, Crabbing & Surfing Analysis

Transparent environmental scores based on tide, wind and marine conditions. These are not user reports, catch guarantees or substitutes for official closures and safety guidance.

70/100 · Good
Fishing
Environmental planning guidance, not a catch guarantee.

Best planning window

2 hours around the next tide change

  • Manageable wind10 mph sustained wind
  • Falling tideConditions vary by species and shoreline structure
69/100 · 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
  • Moderate tidal exchange5.2 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
South Carolina Department of Natural Resources fishing rulesSouth Carolina · 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.

Fort Sumter

NOAA 8665728 · SC

1.3 mi

CHARLESTON (Customhouse Wharf)

NOAA 8665530 · SC

2.5 mi

The Cove, Fort Moultrie

NOAA 8665637 · SC

2.5 mi

James Island Creek, 1 mi. above ent.

NOAA 8665775 · SC

2.9 mi

Shem Creek

NOAA 8665426 · SC

3.0 mi

Ben Sawyer Bridge, ICWW

NOAA 8665567 · SC

3.6 mi

Sources And Confidence

NOAA CO-OPS official high/low tide predictionsofficial-forecast

Fetched Wed, Aug 5 at 3:38 AM

National Weather Service observation and hourly forecastofficial-forecast

Fetched Wed, Aug 5 at 3:38 AM

National Weather Service coastal marine gridofficial-forecast

Fetched Wed, Aug 5 at 3:38 AM

NOAA CO-OPS water temperature at Charlestonobserved

Fetched Wed, Aug 5 at 3:38 AM

U.S. Naval Observatory astronomical applicationsofficial-calculation

Fetched Wed, Aug 5 at 3:38 AM

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