Coastal conditions

Waianae / Leeward Oahu

Harbor · Hawaii · Oahu / Waianae / leeward west

Location Snapshot

Waianae / Leeward Oahu is a west Oahu harbor-and-nearshore fishery shaped by volcanic coast, reefs, protected harbor water, and a rapid drop toward deeper lee-side water. Giant trevally and other reef-associated gamefish define the nearshore opportunity, distinct from the separate Oahu leeward offshore grounds.

Current Coastal Rating

Unavailable

Beta

A trip-condition rating is not available right now.

Should I Go?

Trip conditions only. Target-species activity and seasonal fishery patterns are not yet included.

Not Enough Data

There is not enough reliable information to produce a trip-conditions recommendation right now.

Low confidence — Important source checks or coastal inputs were unavailable.

Evaluates trip conditions using weather, tides, currents, waves, daylight, and active alerts.

  • This coastal rating is in public beta.
  • Missing waves are not calm. Forecast is not an observation. Prediction is not an observation.
  • Because this rating is in public beta, recommendations are capped at Consider when evidence is limited.
  • The Hawaii 10 ft combined-seas figure is a weather warning, not the height of a breaking wave.

Why

  • Wave observations may be stale for the evaluated window.

Current Readings

Updated Oct 19, 2026, 11:57 PM

Marine Buoy

Marine Buoy selected

No sufficiently recent observations are available for this source.

Past 7 Days

Marine Buoy

Marine Buoy selected

Water temperature

Window Oct 12, 2026, 11:57 PM – Oct 19, 2026, 11:57 PM (rolling 168 hours)

Water temperature over the past 7 days. 333 observations · from Oct 13, 2026, 12:00 AM · to Oct 19, 2026, 10:00 PM Range 81.1°F to 83.1°F.

Available observations were broadly steady.

333 observations · from Oct 13, 2026, 12:00 AM · to Oct 19, 2026, 10:00 PM

  • NDBC · Barbers Point, HI (PacIOOS) · Station 51212
  • Nearby marine station
  • Approximately 12 mi from destination
  • Observation type: observed
  • Unit: °F

Regional buoy measurements may differ from protected harbor conditions at this destination. Significant wave height is not shoreline surf or breaker height.

Nearby coastal destinations

  • Hawaii · Oahu leeward dropoff west of Waianae · Offshore

    Approximately 5.4 miles away

  • Hawaii · Oahu / Honolulu Harbor / Kewalo Basin · Harbor

    Approximately 24.2 miles away

  • Hawaii · Oahu / Kaneohe Bay flats · Bay

    Approximately 24.8 miles away

Predicted Tides

Predicted

Near high tide

Next high tide

Oct 20, 2026, 12:39 AM

In 41 min

0.9 ft MLLW

Previous

Low · Oct 19, 2026, 6:45 PM · 0.3 ft MLLW

Following

Low · Oct 20, 2026, 5:17 AM · 0.6 ft MLLW

Tide prediction proxy

Honolulu · NOAA 1612340

This nearby station is used for tide timing. Predicted height does not represent exact water depth or exposed-flat conditions at this destination.

Predicted Tidal Current

Predicted

Tidal-current predictions are not available for this destination.

Tidal-current timing can differ from high and low tide timing.

Fishery Profile

Fishery Overview

Waianae / Leeward Oahu fishery

A leeward west-Oahu pelagic and harbor fishery at Waianae Boat Harbor. Distinct from south-Oahu Kewalo/Waikiki and from North Shore. NDBC 51201 Waimea is not Waianae-local.

Fishery type
  • Pelagic charter harbor
Fishing modes
  • Inshore boat
  • Shore
Habitat and structure
Waianae Boat Harbor and leeward west-Oahu nearshore · Leeward dropoff used by the west-side fleet · Not North Shore and not Kewalo Basin

Static seasonal guidance · Last reviewed Sep 3, 2026

Not a live bite forecast.

Fishery Targets

Leeward pelagic targets are the fishery.

Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency and editorial sources. About fish illustrations

  • Yellowfin tuna illustration

    Yellowfin tuna (ahi)

    Primary

    Thunnus albacares

    Also called Ahi

    No seasonal pulse known

    Leeward Oahu pelagic ahi. Harvest dates follow the current regulations.

  • Mahi-mahi illustration

    Mahi-mahi

    Primary

    Coryphaena hippurus

    Also called Dorado

    No seasonal pulse known

    Leeward pelagic mahi-mahi. Harvest dates follow the current regulations.

  • Wahoo illustration

    Wahoo (ono)

    Primary

    Acanthocybium solandri

    Also called Ono

    No seasonal pulse known

    Leeward pelagic ono. Harvest dates follow the current regulations.

  • Giant trevally illustration

    Ulua / papio

    Secondary

    Caranx ignobilis

    Also called Ulua

    No seasonal pulse known

    Harbor and west-shore jacks.

Seasonal timing is not defined for every target.

Access, Safety and Regulations

Access

Public harbor at Waianae. Nonresident marine license required. Distinct from honolulu-kewalo and waikiki-diamond-head.

Primary hazards

Harbor traffic, heat, and open leeward water.

Fishery considerations

  • Tide is NOAA 1612340 Honolulu, nearby. It does not represent the west coast.
  • Leeward exposure is not North Shore. 51212 is nearby wave.

Regulations

Size limits, seasons, and possession rules change. Verify the current official regulations before fishing.

Location and Access

Harbor · Hawaii

Loading map…

The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.

Data Sources

Planning limitation

Coastal conditions can vary over short distances. Predictions and remote observations are planning information, not guarantees of access or safety.

  • This location is Waianae Boat Harbor and leeward west-Oahu nearshore/pelagic waters. This is not North Shore and not south-Oahu Kewalo/Waikiki.