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
Fair · 71
Beta
Conditions are mixed. 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 · 3:00 PM–6:00 PM HST
Window score
71
Max wind
11 mph
Max gust
31 mph
Daylight
100% of window
Tide state
falling
Wave height
2.6 ft
Why
Strong daylight coverage supports the evaluated window.
Watch for
Predicted gusts are elevated for this trip mode.
Coastal conditions can change quickly. Review official alerts and current conditions before heading out.
Current Readings
Updated Oct 20, 2026, 3:19 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
81.1°F
Updated 49 min ago
Significant wave height
2.6 ft
Updated 49 min ago
Dominant wave period
15 s
Updated 49 min ago
Average wave period
6 s
Updated 49 min ago
Past 7 Days
Marine Buoy
Marine Buoy selected
Water temperature
Window Oct 13, 2026, 3:19 PM – Oct 20, 2026, 3:19 PM (rolling 168 hours)
Water temperature over the past 7 days. 335 observations · from Oct 13, 2026, 3:30 PM · to Oct 20, 2026, 2:30 PM Range 81.1°F to 83.1°F.
Available observations were broadly steady.
335 observations · from Oct 13, 2026, 3:30 PM · to Oct 20, 2026, 2:30 PM
NDBC · Barbers Point, HI (PacIOOS) · Station 51212
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 (ahi)
Primary
Thunnus albacares
Also called Ahi
No seasonal pulse known
Leeward Oahu pelagic ahi. Harvest dates follow the current regulations.
Mahi-mahi
Primary
Coryphaena hippurus
Also called Dorado
No seasonal pulse known
Leeward pelagic mahi-mahi. Harvest dates follow the current regulations.
Wahoo (ono)
Primary
Acanthocybium solandri
Also called Ono
No seasonal pulse known
Leeward pelagic ono. Harvest dates follow the current regulations.
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.
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.