TideAhead
AlaskaNOAA 9455920

ANCHORAGE, Knik Arm 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 10:40 PM AKDT

Current Conditions

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

Estimated tide now
28.1ft
rising · Station 9455920
Next high tide
11:49 PM
Tue, Aug 430.1 ft
Next low tide
6:51 AM
Wed, Aug 52.2 ft
Current Weather
61°F

Cloudy

Observed

N 0 mph

Observed
Tide Forecast
NOAA Station 9455920 · MLLW datum · local time
currentOfficial NOAA curve
1 ft8.8 ft16.5 ft24.3 ft32 ft30.1 ft2.2 ft25.8 ft5.0 ft29.2 ft2.5 ft24.3 ft7.7 ftTue, Aug 410:30 PMWed, Aug 510:30 AMWed, Aug 510:30 PMThu, Aug 610:30 AMThu, Aug 610:30 PM
Official NOAA predicted heights relative to MLLW. Times are shown in the place's local timezone.

Weather, Light & Marine

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

Air

Temperature61°FObserved

Humidity82%Observed

Pressure1018 mbObserved

Wind

SustainedN 0 mphObserved

Gusts8 mphModel

Rain chance29%Model

Marine

Wave height2.0 ftModel

DirectionNot Published by NWS

WaterUnavailable
Sun & Moon

Sunrise5:40 AM

Sunset10:29 PM

MoonWaning Gibbous

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Tue, Aug 4, 202610:00 PMChance Light Rain58°FN 5 mph8 mph29%
Tue, Aug 4, 202611:00 PMChance Light Rain58°FN 5 mph8 mph29%
Wed, Aug 5, 202612:00 AMChance Light Rain57°FN 5 mph8 mph29%
Wed, Aug 5, 20261:00 AMChance Light Rain57°FN 5 mph6 mph27%
Wed, Aug 5, 20262:00 AMChance Light Rain57°FN 5 mph6 mph27%
Wed, Aug 5, 20263:00 AMChance Light Rain56°FN 5 mph6 mph27%
Wed, Aug 5, 20264:00 AMChance Light Rain56°FN 5 mph7 mph30%
Wed, Aug 5, 20265:00 AMChance Light Rain56°FN 5 mph7 mph30%
Wed, Aug 5, 20266:00 AMChance Light Rain56°FN 5 mph7 mph30%
Wed, Aug 5, 20267:00 AMChance Light Rain56°FN 5 mph6 mph30%
Wed, Aug 5, 20268:00 AMChance Light Rain57°FN 5 mph6 mph30%
Wed, Aug 5, 20269:00 AMChance Light Rain58°FN 5 mph6 mph30%

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.

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

Best planning window

2 hours around the next tide change

  • Manageable wind0 mph sustained wind
  • Moving waterA rising tide can improve nearshore feeding activity
71/100 · 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
  • Calm surface0 mph wind favors safer gear handling
  • Large tidal exchange29.4 ft can increase current around gear
35/100 · Poor
Surfing
Offshore model guidance with nearshore uncertainty.

Best planning window

Compare swell direction, local wind and tide before leaving

  • 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
Alaska Department of Fish and Game fishing rulesAlaska · 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.

Port MacKenzie

NOAA 9455934 · AK

2.3 mi

Goose Creek, Knik Arm, Cook Inlet

NOAA 9455963 · AK

10.9 mi

Fire Island

NOAA 9455912 · AK

11.6 mi

Point Possession

NOAA 9455866 · AK

22.3 mi

North Foreland

NOAA 9455869 · AK

44.5 mi

Whittier, Passage Canal

NOAA 9454949 · AK

51.9 mi

Sources And Confidence

NOAA CO-OPS tide predictionsofficial-forecast

Fetched Tue, Aug 4 at 10:40 PM

National Weather Service observation and hourly forecastofficial-forecast

Fetched Tue, Aug 4 at 10:40 PM

National Weather Service coastal marine gridofficial-forecast

Fetched Tue, Aug 4 at 10:40 PM

U.S. Naval Observatory astronomical applicationsofficial-calculation

Fetched Tue, Aug 4 at 10:41 PM

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