TideAhead
AlaskaNOAA 9455428

Port Chatham 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 8:21 PM AKDT

Current Conditions

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

Derived tide now
4.7ft
rising · Between official extrema · Station 9455428
Next high tide
1:06 AM
Thu, Sep 2413.2 ft
Next low tide
7:18 AM
Thu, Sep 240.6 ft
Current Weather
43°F

Clear

Observed

N 0 mph

Observed
Tide Forecast
NOAA Port Chatham · Station 9455428 · 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.
-2 ft2.5 ft7 ft11.5 ft16 ft13.2 ft0.6 ft13.8 ft1.7 ft14.2 ft-0.2 ft14.9 ft0.0 ftWed, Sep 237:54 PMThu, Sep 247:54 AMThu, Sep 247:45 PMFri, Sep 257:43 AMFri, Sep 257:40 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

Temperature43°FObserved

Humidity93%Observed

Pressure1011 mbObserved

Wind

SustainedN 0 mphObserved

Gusts9 mphModel

Rain chance1%Model

Marine

Wave height0.0 ftModel

DirectionCalm / No DirectionModel

Water50.2°FObservedNOAA Seldovia · 15.7 mi Away
Sun & Moon

Sunrise7:54 AM

Sunset8:02 PM

MoonWaxing Gibbous

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Wed, Sep 23, 20268:00 PMMostly Clear50°FN 5 mph9 mph1%
Wed, Sep 23, 20269:00 PMMostly Clear48°FN 5 mph9 mph1%
Wed, Sep 23, 202610:00 PMClear47°FN 5 mph7 mph0%
Wed, Sep 23, 202611:00 PMClear46°FN 5 mph7 mph0%
Thu, Sep 24, 202612:00 AMClear45°FN 5 mph7 mph0%
Thu, Sep 24, 20261:00 AMMostly Clear44°F 0 mph6 mph1%
Thu, Sep 24, 20262:00 AMMostly Clear44°F 0 mph6 mph1%
Thu, Sep 24, 20263:00 AMMostly Clear43°F 0 mph6 mph1%
Thu, Sep 24, 20264:00 AMPartly Cloudy43°FE 5 mph8 mph5%
Thu, Sep 24, 20265:00 AMPartly Cloudy42°FE 5 mph8 mph5%
Thu, Sep 24, 20266:00 AMMostly Sunny42°FE 5 mph8 mph5%
Thu, Sep 24, 20267:00 AMChance Light Rain42°FE 15 mph20 mph26%

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.

84/100 · Very good
Fishing
Environmental planning guidance, not a catch guarantee.

Best planning window

2 hours around the next tide change

  • Manageable wind0 mph sustained wind
  • Mostly dry1% precipitation chance
  • 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 exchange11.2 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.

Port Graham

NOAA 9455437 · AK

10.1 mi

Picnic Harbor, Rocky Bay

NOAA 9455399 · AK

11.3 mi

SELDOVIA, Kachemak Bay

NOAA 9455500 · AK

15.7 mi

Kasitsna Bay, Kachemak Bay

NOAA 9455517 · AK

18.5 mi

Tutka Bay,Kachemak Bay

NOAA 9455506 · AK

20.0 mi

Sadie Cove, Kachemak Bay

NOAA 9455514 · AK

23.0 mi

Sources And Confidence

NOAA CO-OPS official high/low tide predictions at Port Chathamofficial-forecast

Fetched Wed, Sep 23 at 8:21 PM

National Weather Service observation and hourly forecastofficial-forecast

Fetched Wed, Sep 23 at 8:21 PM

National Weather Service coastal marine gridofficial-forecast

Fetched Wed, Sep 23 at 8:21 PM

NOAA CO-OPS water temperature at Seldoviaobserved

Fetched Wed, Sep 23 at 8:21 PM

U.S. Naval Observatory astronomical applicationsofficial-calculation

Fetched Wed, Sep 23 at 8:21 PM

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