Halfpoint/Fullpoint Surf Break

Lat Long: 21.29° N 157.66° W

Halfpoint/Fullpoint Surf Forecast and Surf Report

Issued: 7 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Halfpoint/Fullpoint sea temperature is
26.9° C
0.2° 

Halfpoint/Fullpoint surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Halfpoint/Fullpoint surf forecast from 17 Aug 2026:

  • Most powerful swell: Monday 17 Aug, 2AM (local time) - 6ft (1.8m), 8s period, ENE swell with 418 kJ wave energy.

Best Forecast Surf Conditions for Halfpoint/Fullpoint this week:

The most powerful waves expected at Halfpoint/Fullpoint in the next 16 days are 1.8m 8s and forecast to arrive on Monday (Aug 17) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 16s period and expected on Friday (Aug 21) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Mon 17th Aug)6ft (1.8m) 8s

Table - best surf conditions forecast for Halfpoint/Fullpoint over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s get into it. We’re looking at a solid stretch of swell at Halfpoint/Fullpoint, but the wind is going to be a real pain for most of the run. This spot is exposed to the swell, and it loves an ESE direction, but for the next week or so, we’re stuck with a persistent cross-shore or cross-onshore breeze from the ENE. The water temp is sitting about average for this time of year, so nothing weird there.

The first week is a write-off for any decent surf. From Monday the 17th right through to Sunday the 23rd, the wind is just too strong, blowing 12 to 19 mph from the ENE, and the surf quality is poor. There’s a bit of energy in the water, with wave energy values ranging from 155 to 607 (moderate), but the wind is just ruining it. The swell is mostly small, from 1 ft to 5 ft, with short periods, so it’s choppy and lumpy. This is a long, frustrating gap with no real recommendations.

Then we hit the 24th of August, and things start to get bigger, but the wind is still howling at 19 mph from the ENE. The swell builds from 6 ft to 8 ft, and the wave energy jumps up to 835 (strong), but it’s still all cross-shore and lumpy. The surf is still poor. We’re just getting a lot of messy, blown-out swell.

Now, the real standout comes on Thursday the 27th of August. The swell hits 10 ft from the ENE, with a period of 8 seconds, and the wind drops to a moderate 16 mph cross-shore. The wave energy is a massive 1494 to 1707 (very strong). The forecast says the wind and tide are favorable, but here’s the catch: at 10 ft, this break is too big. This is for experts only. The swell is pushing hard, and with a moderate cross-shore wind, it’s going to be a heavy, powerful, and dangerous wave. It’s the best on offer, but only if you’ve got the skills and the nerve. The energy is extreme, and the sets will be long and powerful.

From Friday the 28th through Saturday the 29th, we’re still looking at 10 ft swell, but the wind picks back up to 19 mph, and the quality drops. By Sunday the 30th, the swell has dropped back to 2 ft from the SSW, with a long 16-second period, but the wind is back up to 22 mph, so it’s just a messy, weak leftover.

So, the bottom line: there’s a big, dangerous window of expert-only surf on Thursday the 27th. Everything else is either too small, too windy, or too big for the average surfer. The first week is a total blank. After that, it’s a gamble. But if you’re a seasoned charger, Thursday the 27th is your day.

Rusty.

Short Range Forecast

Light rain (total 4mm), mostly falling on Sun night. Warm (max 27°C on Sun night, min 24°C on Mon night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Sat afternoon, min 25°C on Wed night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
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
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
ENE
8
0.9
S
14
0.8
S
14
1.3
ENE
7
1.3
ENE
7
1.2
ENE
7
1.1
ENE
8
1
E
8
0.8
E
8
0.7
E
8
0.6
SSW
18
0.6
SSW
17
0.9
NE
7
0.9
ENE
7
0.9
NE
7
0.8
SSW
16
1
ENE
6
1.2
ENE
6
0.7
SSW
16
Wave Graph
Metric surfscale
Energy kJ
418
334
260
170
141
147
147
137
100
63
207
200
75
93
69
322
75
127
212
Wind (km/h)
20
E
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
20
ENE
25
NE
25
NE
20
NE
20
NE
15
NE
15
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
Wind State
cross-on
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
High Tide
6:52AM0.50m
5:48PM0.38m
7:56AM0.52m
6:10PM0.31m
9:08AM0.53m
10:20AM0.55m
8:45PM0.20m
11:21AM0.57m
10:59PM0.20m
12:10PM0.60m
00:02AM0.21m
Low Tide
00:11AM0.05m
1:08PM0.25m
00:39AM0.07m
2:59PM0.27m
1:14AM0.09m
2:00AM0.10m
7:38PM0.20m
3:06AM0.11m
7:49PM0.17m
4:20AM0.10m
8:09PM0.14m
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
6:09
6:09
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
6:59
6:58
6:57
6:57
6:55
6:54
 mm
4
Temp °C
27
25
25
25
25
25
25
25
25
25
25
25
25
25
26
26
26
27
26
Feels °C
28
25
24
24
23
23
24
25
25
25
26
25
26
27
28
27
28
27
26
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Halfpoint/Fullpoint Surf forecast

The above surf forecast table for Halfpoint/Fullpoint provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Halfpoint/Fullpoint can be found by selecting the local surf guide option on the grey menu. Our Halfpoint/Fullpoint 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 (Halfpoint/Fullpoint) 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 Halfpoint/Fullpoint 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.

Halfpoint/Fullpoint is 15 km (9 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.

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