Laniakea Reef and Holtons Surf Break

Lat Long: 21.62° N 158.09° W

Laniakea Reef and Holtons Surf Forecast and Surf Report

Issued: 7 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Laniakea Reef and Holtons sea temperature is
26.9°C
0.0° 

Laniakea Reef and Holtons surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Laniakea Reef and Holtons surf forecast from 6 Sep 2026:

  • Best quality surf: Monday 7 Sep, 8PM (local time) - 6ft (1.9m), 15s period, SW swell with offshore winds.
  • Most powerful swell: Tuesday 8 Sep, 2AM (local time) - 8ft (2.5m), 14s period, SW swell with 2,985 kJ wave energy.
  • Next surfable swell (1★+): Monday 7 Sep, 8PM (local time) - 6ft (1.9m), 15s period with SW swell.

Best Forecast Surf Conditions for Laniakea Reef and Holtons this week:

The surf forecast for Laniakea Reef and Holtons over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 8PM. The primary swell is predicted to be 1.9m and 15s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Laniakea Reef and Holtons in the next 16 days are 2.5m 14s and forecast to arrive on Tuesday (Sep 08) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 13s period and expected on Monday (Sep 07) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Mon 7th Sep)6ft (1.9m) 15s
Best Surf 8PM (Mon 7th Sep)6ft (1.9m) 15s
Most Powerful 2AM (Tue 8th Sep)8ft (2.5m) 14s

Table - best surf conditions forecast for Laniakea Reef and Holtons over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s check the shop window for the next stretch. We’re looking at Laniakea Reef and Holtons, and honestly, for the first week and a half, it’s pretty flat and quiet. We’ve got a solid gap of nothing much happening until we get into the second week. The first real action of note doesn’t kick in until Monday, 7th September.

Overall Pattern: The first few days are a total write-off. Saturday the 5th and Sunday the 6th are flat with tiny, poor surf – you’re looking at 1 ft of swell and weak energy (20). The water is a warm 80°, which is spot on for this time of year, nothing unusual. Don’t bother paddling out.

Then on Monday, 7th September, we get a pulse. The swell picks up to 4 ft in the morning from the SW with a 14-second period. That’s a proper groundswell, but it’s a bit messy with a risk of thunderstorms and a fresh cross-off breeze. The energy is moderate (618). By the afternoon, the swell builds to 5 ft, still from the SW, and the period stays long at 14 seconds. The energy jumps a bit (978) but the wind is still cross-off. It’s marginal, but for a reef, those long-period SW swells can get interesting. The morning is the pick, but it’s not a standout.

Tuesday the 8th is the best window in the whole forecast. The morning brings a solid 8 ft swell from the WSW with a 12-second period. That’s a big, powerful swell, and the energy is pumping (1803). That’s into the “strong” category. For a reef break like Laniakea, that’s going to be a heavy, grinding wave. The afternoon drops to 6 ft but still has good energy. The wind is a cross-off, which isn’t clean, but for an 8 ft WSW swell, it’s a serious session. This is the one to circle. It’s a big swell though, likely too big for beginners, and the crowd factor is listed as “sometimes” – so you’ll have company, but it won’t be a circus.

Wednesday the 9th is a bit of a letdown after that. The swell drops to 2 ft in the morning, but the wind turns offshore from the ESE (15 km/h). That’s clean. The swell is small, but the energy is weak (88). Then the afternoon has a 3 ft NW swell with a 10-second period and offshore wind again. Nice, clean lines, but tiny. It’s a rebound day.

From Thursday the 10th through to the 20th, it’s a long, drawn-out slump. Waves stay under 2 ft for day after day, with weak energy. There’s a blip on the 15th of September showing a 2 ft swell from the SW, but a 21-second period? That’s a very long-period groundswell. At a reef break, that could be a weird, roly-poly mess, not a clean wave. The energy is moderate (208), but the size is pathetic. The 16th and 17th show some 4 ft to 5 ft sets from the NE with an 8-second period, but the wind is a cross-off and the quality is poor.

Standout: The Tuesday the 8th of September morning session is the only true standout. Grab that 8 ft WSW swell with the 12-second period at Laniakea Reef. It’s got power, it’s a reef, and it’s the biggest and best wave on offer. Just be ready for the crowd factor.

The Gap: There’s a long, dry gap from the 10th right through to the 20th. The 16th and 17th might offer the smallest of small windows, but it’s not worth getting excited about. That’s a solid ten days of flatness.

Rusty, signing off.

Short Range Forecast

Moderate rain (total 10mm), heaviest on Sun night. Warm (max 27°C on Sun afternoon, min 25°C on Sat morning). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Wed afternoon. Warm (max 29°C on Tue afternoon, min 24°C on Thu night). Wind will be generally light.

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
1
1
4
2
2
1
1
1
0
0
1
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
NNE
10
0.3
NNE
10
0.2
N
11
0.3
N
8
2.2
E
12
1.5
E
12
1.2
SW
14
1.6
SW
14
2.5
SW
14
2.5
WSW
12
1.8
WSW
11
0.9
W
8
0.7
WNW
9
0.9
NW
10
0.7
NW
9
0.6
NW
9
0.6
WNW
9
0.5
SW
16
0.4
NW
8
0.5
SW
15
0.5
SW
15
Wave Graph
Metric surfscale
Energy kJ
20
18
9
11
0
0
597
978
2985
1803
692
116
88
148
86
65
52
129
16
110
109
Wind (km/h)
25
ENE
25
ENE
20
E
20
E
20
E
20
ESE
30
E
25
ESE
25
SE
30
S
20
S
10
SSE
10
ESE
15
ESE
15
ESE
20
E
15
ENE
15
E
15
E
10
E
15
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:00AM0.54m
11:07PM0.17m
11:57AM0.57m
00:11AM0.20m
12:45PM0.58m
1:00AM0.25m
1:27PM0.58m
1:45AM0.30m
2:04PM0.55m
2:26AM0.35m
2:38PM0.52m
3:08AM0.40m
3:10PM0.47m
3:48AM0.44m
Low Tide
5:50PM0.10m
3:08AM0.05m
6:21PM0.07m
4:20AM0.03m
6:49PM0.06m
5:20AM0.02m
7:16PM0.04m
6:14AM0.03m
7:41PM0.04m
7:05AM0.04m
8:06PM0.03m
7:54AM0.07m
8:29PM0.03m
rain showers
part cloud
part cloud
part cloud
part cloud
mod rain
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
6:16
6:16
6:16
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:44
6:43
6:42
6:40
6:39
6:38
 mm
1
6
2
1
3
1
Temp °C
25
26
25
26
27
25
26
27
26
28
29
27
28
28
26
26
27
25
26
27
25
Feels °C
24
25
25
27
27
25
26
27
26
28
30
29
31
30
28
26
28
26
27
28
26
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Laniakea Reef and Holtons Surf forecast

The above surf forecast table for Laniakea Reef and Holtons provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Laniakea Reef and Holtons can be found by selecting the local surf guide option on the grey menu. Our Laniakea Reef and Holtons surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Laniakea Reef and Holtons) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Laniakea Reef and Holtons may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Laniakea Reef and Holtons is 15 km (9 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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