Coastal conditions

Waikiki / Diamond Head

Shore · Hawaii · Oahu / Waikiki / Diamond Head reef shore

Location Snapshot

Waikiki / Diamond Head is a south Oahu shore fishery built around reef flats, channels, sandy pockets, and exposed reef edges rather than harbor water. Bonefish and giant trevally are principal gamefish targets, with a broader reef-fish community adding nearshore variety.

Active coastal or marine alerts

  • Small Craft Advisory

    Severity: Minor

    Small Craft Advisory issued October 19 at 8:37PM HST until October 20 at 6:00PM HST by NWS Honolulu HI

    Begins Oct 19, 2026, 8:37 PM · Ends Oct 20, 2026, 6:00 PM

    Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.

    Official NWS alert

Current Coastal Rating

Poor · 30

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.

  • 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.

Recommended window

Tuesday · 4:00 AM–7:00 AM HST

Window score

30

Max wind
14 mph
Max gust
35 mph
Daylight
0% of window
Tide state
near low

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 Oct 20, 2026, 1:40 AM

NOAA Station selected

No sufficiently recent observations are available for this source.

Past 7 Days

NOAA Station selected

Water level

Window Oct 13, 2026, 1:40 AM – Oct 20, 2026, 1:40 AM (rolling 168 hours)

Water level over the past 7 days. 1661 observations · from Oct 13, 2026, 1:42 AM · to Oct 19, 2026, 11:42 PM Range 0.3 ft MLLW to 2.3 ft MLLW.

Readings decreased over the available period.

1661 observations · from Oct 13, 2026, 1:42 AM · to Oct 19, 2026, 11:42 PM

  • NOAA CO-OPS · Honolulu · Station 1612340
  • Nearby marine station
  • Approximately 3.4 mi from destination
  • Observation type: observed
  • Unit: ft
  • Datum: MLLW

Nearby coastal destinations

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

    Approximately 2.8 miles away

  • Hawaii · Oahu / Kaneohe Bay flats · Bay

    Approximately 12 miles away

  • Hawaii · Oahu / Waianae / leeward west · Harbor

    Approximately 26.9 miles away

Predicted Tides

Predicted

Falling

Next low tide

Oct 20, 2026, 5:17 AM

In 3 hr 37 min

0.6 ft MLLW

Previous

High · Oct 20, 2026, 12:39 AM · 0.9 ft MLLW

Following

High · Oct 20, 2026, 12:10 PM · 1.8 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

Waikiki / Diamond Head reef-shore fishery

A south-Oahu public reef and shore fishery from Ala Wai / Waikiki to Diamond Head. Primary targets are ulua/papio and reef fishes under DAR size and bag rules. Hanauma Bay MLCD is excluded and is not part of this location. Distinct from Kewalo charter water.

Fishery type
  • Reef
  • Shore
Fishing modes
  • Shore
  • Wade
Habitat and structure
Public reef and rocky shore from Waikiki toward Diamond Head · Nearshore reef edges and channels · Not Hanauma Bay no-take water

Static seasonal guidance · Last reviewed Aug 31, 2026

Not a live bite forecast.

Fishery Targets

Ulua/papio are year-round DAR-managed reef targets.

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

  • Giant trevally illustration

    Ulua / papio

    Primary

    Caranx ignobilis

    Also called Ulua

    No seasonal pulse known

    South-shore reef and rocky point jack fishery. DAR size/bag apply. Harvest dates follow the current regulations.

  • Bonefish illustration

    Bonefish (oio)

    Secondary

    Albula vulpes

    No seasonal pulse known

    Occasional south-shore flats/edge fishing. Kaneohe Bay remains the primary oio.

Seasonal timing is not defined for every target.

Access, Safety and Regulations

Access

Public shore access. Confirm DAR marine license and any beach-park rules. Hanauma Bay MLCD is excluded. Kewalo docks belong to honolulu-kewalo.

Primary hazards

Reef cuts, shorebreak, and crowded swimming areas. Do not enter Hanauma no-take water.

Fishery considerations

  • Tide is NOAA 1612340 Honolulu, nearby harbor tide. 51211 is nearby south-shore energy.
  • South-shore swell and trades.

Regulations

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

Location and Access

Shore · 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 public reef/shore from Ala Wai / Waikiki to Diamond Head fishing waters. This is not Kewalo Basin docks and not Hanauma Bay.
  • Hanauma Bay MLCD (Palea Point to Paioluolu Point no-take) is excluded. Maunalua Bay FMA is a legal overlay, not this pin name.