Alaska's Digital Tidebook | AlaskaTides.app

⚠️

NWLON PRIMARY TSUNAMI SENSOR ARCTIC Harmonic Subordinate Historical BUOY

NOW

12 AM4812 PM4812

Crossing Windows ( )

No crossings at this level today.

NOAA CO-OPS — fetched at …

Today's Tides

NOW

Loading tide data…

NOAA CO-OPS — predictions as of …

Station

Region

Phase

Datum

MLLW

7-Day Forecast

7-day NOAA CO-OPS — generated when this page loaded.

Coastal Conditions

Water Temp

—

FAHRENHEIT · Surface

Data when available

Visibility

—

NAUTICAL MILES

Check forecast

Wind

—

KNOTS

Check NOAA

Pressure

—

MILLIBARS

When available

Wave Height

—

FEET

Marine forecast

Datum Ref

MLLW

Mean Lower Low Water — all heights above this reference

Chart depth + water level = actual depth

NOAA datums for this station

Status

Live Observation

Updated

Source

Moon Phase

🌔

—

Phase · Rise/set in almanac

Tides vary with moon phase

Sun & Daylight

Rise 8:02 AM

11H 18M DAYLIGHT

Set 7:20 PM

Coastal Intel

Tidal Range

19.0ft

Kachemak Bay is one of Alaska's largest tidal ranges

Slack Water

—

Best window for clamming & diving

Best Passage Today

Beach Access / Clamming

Clam Gulch

OPEN

Low: 2:59 PM (-0.4 ft)

Mud Bay

~OPEN

Partial access 2–4 PM

Nearby Stations