Nanakuli Blackrocks Surf Guide

Nanakuli Blackrocks in Oahu is an exposed beach break Offshore winds blow from the east northeast. Most of the surf here comes from groundswells and the best swell direction is from the west southwest. Sometimes crowded. Hazards include - Urchins - Rips / undertow - Rocks - Localism - Sharks.

Nanakuli Blackrocks Spot Info

Type:Rating:Reliability:Todays Sea Temp*:
Beach2rarely breaks
25.1°C*ocean temperature recorded from satellite

Surfing Nanakuli Blackrocks:

The best conditions reported for surf at Nanakuli Blackrocks occur when a West-southwest swell combines with an offshore wind direction from the East-northeast.

What's the best time of year to surf Nanakuli Blackrocks (for consistent clean waves)?

juneBest Season: summer
The best time of year for surfing Nanakuli Blackrocks with consistent clean waves (rideable swell with light / offshore winds) is during Summer  and most often the month of June. Clean surfable waves are typically found 41% of the time in June while 0% of the time it tends to be blown out. For the remaining 59% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.
clean
41%
Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.
blown out
0%
Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).
too small
59%
Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Nanakuli Blackrocks Location Map

Interactive Nanakuli Blackrocks surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Nanakuli Blackrocks is Honolulu International Airport (HNL) in Usa Oahu Isl., 22 km (14 miles) away (directly). The second nearest airport to Nanakuli Blackrocks is Dillingham Airport (HDH), also in Usa Oahu Isl., 25 km (16 miles) away.

  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.
Nanakuli Blackrocks Surf Forecasts:
Todays Surf Summary
Tuesday, 5 May 2026, 04:08 Local Time
Tuesday 05
5AM8AM11AM2PM
Wave (m)
1.1
NW
1.1
NW
1.1
NW
1
NW
Period (s) 12 12 12 11
Wind (km/h)
5
0
5
10
Wind State off glass cross cross-
on

Swell History at Nanakuli Blackrocks

Surf stats for Nanakuli Blackrocks, see the swell variation by month or season on the history page here.

Wind History at Nanakuli Blackrocks

Wind stats for Nanakuli Blackrocks, see the variation in direction and stength by month or season on the history page here.


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