Coastal conditions

Waianae / Leeward Oahu

Harbor · Hawaii · Oahu / Waianae / leeward west

Active coastal or marine alerts

  • High Surf Advisory

    Severity: Minor

    High Surf Advisory issued September 4 at 3:51PM HST until September 5 at 6:00PM HST by NWS Honolulu HI

    Begins Sep 4, 2026, 3:51 PM · Ends Sep 5, 2026, 6:00 PM

    Heed all advice from ocean safety officials. When in doubt, don't go out.

    Official NWS alert

Current Coastal Rating

Poor · 42

Beta

Conditions are poor. Review the details below before heading out.

Scores are model-specific and are not directly comparable across water types.

Should I Go?

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

Consider

Trip conditions may be workable, but important cautions or data limitations remain.

Medium confidence The recommendation is usable, but one or more inputs are regional, proxied, stale, or incomplete.

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

  • Policy HAWAII_PATH2_PROVISIONAL_POLICY_V1. Authority OWNER_AUTHORIZED_PROVISIONAL_PRODUCT_POLICY.
  • Provisional conservative non-empirical Hawaii product-policy. Not accepted Hawaii fishing thresholds. Not PATH1. Not calibrated V1 science.
  • NWS Hawaii SCA / Gale issuance floors are safety anchors, not optimal fishing cuts.
  • Does not inherit Northeast, Mid-Atlantic, Southeast, Gulf, PSW, or PNW numerics or weights.
  • empiricalCalibratedFishingThresholds=false. hawaiiSpecificWeights=false. productionThresholdsAuthorized=false. path1Authorized=false.
  • Missing waves are not calm. Forecast is not an observation. Prediction is not an observation.
  • Offshore wind is not automatically favorable. Wind direction is required evidence with neutral initial score contribution.
  • Exposure Oahu W LEE shelter=OPEN_COAST.
  • Verdict capped at Consider while calibration remains incomplete. Adverse Wait / Do Not Go / Unavailable are not weakened.
  • Reef-shore wave caution 10 ft is the NWS Hawaii SCA combined-seas issuance anchor, not breaking surf-face height. No standalone numeric hard Hs.

About this recommendation

Uses StrikeTracks coastal policy 2026-07.

Recommended window

Saturday · 6:00 AM–9:00 AM HST

Window score

62

Max wind
5 mph
Max gust
15 mph
Daylight
67% of window
Tide state
rising

Watch for

  • An active caution-level alert applies to this destination.

Coastal conditions can change quickly. Review official alerts and current conditions before heading out.

Current Readings

Updated Sep 4, 2026, 9:50 PM

Marine Buoy

Marine Buoy selected

Source

  • NDBC Barbers Point, HI (PacIOOS) buoy
  • 12 mi from destination

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

Water temperature
81.3°F

Updated 1 hr 20 min ago

Significant wave height
5.6 ft

Updated 1 hr 20 min ago

Dominant wave period
11 s

Updated 1 hr 20 min ago

Average wave period
9 s

Updated 1 hr 20 min ago

Past 7 Days

Marine Buoy

Marine Buoy selected

Water temperature

Window Aug 28, 2026, 9:50 PM Sep 4, 2026, 9:50 PM (rolling 168 hours)

Water temperature over the past 7 days. 333 observations · from Aug 28, 2026, 10:00 PM · to Sep 4, 2026, 8:30 PM Range 81.3°F to 82.2°F.

Available observations were broadly steady.

333 observations · from Aug 28, 2026, 10:00 PM · to Sep 4, 2026, 8:30 PM

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

Nearby coastal destinations

  • Hawaii · Oahu leeward dropoff west of Waianae, not the boat harbor · 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

Rising

Next high tide

Sep 4, 2026, 10:40 PM

In 50 min

0.6 ft MLLW

Previous

Low · Sep 4, 2026, 7:29 PM · 0.5 ft MLLW

Following

Low · Sep 5, 2026, 3:48 AM · 0.2 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

No representative tidal-current prediction station is configured 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 pinned 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 documented occurrence. Seasonal Fish Season timing for mahi-mahi is not encoded on this harbor pin. Exact legal seasons are not invented. This is not a North Shore winter-surf identity.

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. Destination month timing is not encoded as a legal season.

  • Mahi-mahi illustration

    Mahi-mahi

    Primary

    Coryphaena hippurus

    Also called Dorado

    No seasonal pulse known

    Leeward pelagic mahi-mahi. Occurrence is documented; destination month timing is not encoded as a legal season.

  • Wahoo illustration

    Wahoo (ono)

    Primary

    Acanthocybium solandri

    Also called Ono

    No seasonal pulse known

    Leeward pelagic ono. Destination month timing is not encoded as a legal season.

  • Giant trevally illustration

    Ulua / papio

    Secondary

    Caranx ignobilis

    Also called Ulua

    No seasonal pulse known

    Harbor and west-shore jacks. Pokai Bay rules are a legal overlay, not the pin name.

Profile guidance — exact seasonal timing is not available 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. Do not use 51201 as local Hs.

Fishery considerations

  • Tide is NOAA 1612340 Honolulu, nearby, not west-coast at-location. Do not stretch geography.
  • Leeward exposure is not North Shore. 51212 is nearby wave. This profile does not score wind.

Regulations

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

Location and Access

Cataloged coastal fishing destination

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.

  • Pin is Waianae Boat Harbor and leeward west-Oahu nearshore/pelagic waters. This is not North Shore and not south-Oahu Kewalo/Waikiki.
  • Current Coastal Rating is a provisional public-Beta rating. The regional methodology is still calibrating and is not formally accepted. The verdict is capped at Consider while calibration and evidence remain limited. Coastal Estimated is unauthorized.
  • Customer Current Coastal Rating is unavailable. HAWAII_TROPICAL_PACIFIC_V1 is a candidate only. PATH1 and PATH2 are not authorized now. Physical readings are not an ordinal rating.