TideAhead
AlaskaNOAA 9455437

Port Graham 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 12:36 AM AKDT

Current Conditions

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

Derived tide now
2.1ft
falling · Between official extrema · Station 9455437
Next low tide
1:12 AM
Wed, Aug 51.8 ft
Next high tide
7:28 AM
Wed, Aug 513.3 ft
Current Weather
55°F

Cloudy

Observed

S 11 mph

Observed
Tide Forecast
NOAA Station 9455437 · MLLW datum · local time
Subordinate station · NOAA reference station 9455500
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.
0 ft4.5 ft9 ft13.5 ft18 ft1.8 ft13.3 ft3.8 ft16.3 ft2.2 ft12.0 ft5.6 ft15.8 ftWed, Aug 512:33 AMWed, Aug 512:28 PMThu, Aug 612:22 AMThu, Aug 612:15 PMFri, Aug 712:07 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

Temperature55°FObserved

Humidity94%Observed

Pressure1018 mbObserved

Wind

SustainedS 11 mphObserved

Gusts16 mphModel

Rain chance82%Model

Marine

Wave height0.0 ftModel

DirectionCalm / No DirectionModel

Water50°FObservedNOAA Seldovia · 7.3 mi Away
Sun & Moon

Sunrise6:02 AM

Sunset10:23 PM

MoonWaning Gibbous

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Wed, Aug 5, 202612:00 AMLight Rain54°FSE 15 mph16 mph82%
Wed, Aug 5, 20261:00 AMLight Rain53°FSE 15 mph15 mph76%
Wed, Aug 5, 20262:00 AMLight Rain53°FSE 15 mph15 mph76%
Wed, Aug 5, 20263:00 AMLight Rain53°FSE 15 mph15 mph76%
Wed, Aug 5, 20264:00 AMLight Rain Likely52°FSE 15 mph15 mph72%
Wed, Aug 5, 20265:00 AMLight Rain Likely52°FSE 15 mph15 mph72%
Wed, Aug 5, 20266:00 AMLight Rain Likely52°FSE 15 mph15 mph72%
Wed, Aug 5, 20267:00 AMLight Rain Likely52°FSE 15 mph15 mph74%
Wed, Aug 5, 20268:00 AMLight Rain Likely53°FSE 15 mph15 mph74%
Wed, Aug 5, 20269:00 AMLight Rain Likely54°FSE 15 mph15 mph74%
Wed, Aug 5, 202610:00 AMLight Rain Likely55°FSE 15 mph15 mph67%
Wed, Aug 5, 202611:00 AMLight Rain Likely55°FSE 15 mph15 mph67%

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.

58/100 · Fair
Fishing
Environmental planning guidance, not a catch guarantee.

Best planning window

2 hours around the next tide change

  • Moderate wind11 mph sustained wind
  • Falling tideConditions vary by species and shoreline structure
57/100 · Fair
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
  • Large tidal exchange15.8 ft can increase current around gear
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
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.

SELDOVIA, Kachemak Bay

NOAA 9455500 · AK

7.3 mi

Port Chatham

NOAA 9455428 · AK

10.1 mi

Kasitsna Bay, Kachemak Bay

NOAA 9455517 · AK

12.3 mi

Picnic Harbor, Rocky Bay

NOAA 9455399 · AK

15.8 mi

Tutka Bay,Kachemak Bay

NOAA 9455506 · AK

17.5 mi

Sadie Cove, Kachemak Bay

NOAA 9455514 · AK

18.9 mi

Sources And Confidence

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

Fetched Wed, Aug 5 at 12:36 AM

National Weather Service observation and hourly forecastofficial-forecast

Fetched Wed, Aug 5 at 12:36 AM

National Weather Service coastal marine gridofficial-forecast

Fetched Wed, Aug 5 at 12:36 AM

NOAA CO-OPS water temperature at Seldoviaobserved

Fetched Wed, Aug 5 at 12:36 AM

U.S. Naval Observatory astronomical applicationsofficial-calculation

Fetched Wed, Aug 5 at 12:36 AM

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