Halfpoint/Fullpoint Surf Break

Lat Long: 21.29° N 157.66° W

Halfpoint/Fullpoint Surf Forecast and Surf Report

Issued: 7 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Halfpoint/Fullpoint sea temperature is
27.0° C
0.4° 

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 13 Aug 2026:

  • Most powerful swell: Sunday 16 Aug, 2AM (local time) - 13ft (4.0m), 9s period, E swell with 2,997 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 4.0m 9s and forecast to arrive on Sunday (Aug 16) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 6s period and expected on Wednesday (Aug 19) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Sun 16th Aug)13ft (4.0m) 9s

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


The Lowdown

Right then, let’s have a look at what’s on offer for Halfpoint/Fullpoint over the next couple of weeks. I won’t lie to you, it’s a pretty grim stretch of days ahead. The wind is our enemy here, and it’s gonna be howling from the ENE or NE for almost the entire period, which is cross-shore or cross-onshore at this spot. That’s going to leave things lumpy, choppy, and messy, with no real chance of a clean wave. These conditions are labelled as poor surf throughout the whole forecast, so honestly, there’s nothing to get excited about.

From the very start on Thursday the 13th of August, we’ve got a 22 mph cross-wind messing up a 3 ft S swell. The wave energy is moderate (847 to 969), but it doesn’t matter because the wind is just ruining it. The water temp is about average for the time of year, so no surprises there.

Friday the 14th sees the swell bump up to 7 ft from the ENE, but the period is a short 8 seconds, and the wind is still strong cross-shore at 25 mph. The energy picks up into the strong range (1059), but it’s still a write-off. Things actually get worse into Saturday the 15th with near gale force winds at 31 mph whipping up a 12 ft E swell. That’s for experts only if it was clean, but it’s not – the combined wave energy is very strong (2281) but the surf is completely blown out.

There’s a bit of a drop in swell size around Tuesday the 18th, with 4 ft to 5 ft ENE windswell, but the wind stays fresh and cross-onshore. The energy drops to moderate (323), but the quality is still poor. Even when the swell goes teeny tiny, like 1 ft to 2 ft from the SSW around the 19th and 20th, with a long period groundswell (16-18 seconds), the wind is still cross and moderate to fresh, making it unsurfable. The longer period would normally make for better shaped waves, but the direction (SSW) might not match the optimum ESE for this spot, and the wind kills the chance anyway.

We get a run of very weak energy (in the 100s) around the 21st and 22nd of August, with 3 ft or less of NE/ENE swell. The wind eases slightly to moderate, but it’s still cross or cross-onshore, so still poor. By Sunday the 23rd, the swell jumps back up to 5 ft from the E with a short 7-second period, and the wind is back up to 22 mph cross-shore – messy again. The final few days through to the 28th of August are more of the same: poor surf, onshore or cross wind, and all with fresh breezes.

To be blunt, I have to call it for what it is. There is not a single standout session in this entire 16-day window. The wind just doesn’t let up, and the swell direction (almost always ENE or S) is not optimum for Halfpoint/Fullpoint, which prefers an ESE direction. The consistent ENE wind keeps the sea in a constant state of wind-chop. Even when the swell has a long period and bigger size, the wind destroys the surface. This stretch is looking like a complete blank for the surfer – nothing worth paddling out for.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Thu morning, min 25°C on Thu night). Winds increasing (fresh winds from the NE on Thu morning, near gales from the ENE by Sat morning).

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Sun night. Warm (max 26°C on Sun morning, min 25°C on Sun morning). Mainly strong winds.

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
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
0
0
0
0
0
0
0
0
0
0
0
0
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
S
16
1.2
S
15
2.2
E
8
2.3
ENE
8
2
ENE
8
3
ENE
8
3.5
E
9
3.5
E
9
4
E
9
3
ENE
9
2.4
ENE
8
1.9
ENE
8
1.7
ENE
7
0.8
S
14
1.3
ENE
7
1.2
ENE
8
1.2
ENE
8
1.2
ENE
8
1.1
ENE
8
1.1
ENE
8
0.7
E
8
Wave Graph
Metric surfscale
Energy kJ
501
662
551
589
464
1072
1708
2184
2997
1274
763
416
302
260
170
169
155
159
167
149
63
Wind (km/h)
40
ENE
40
ENE
40
ENE
40
ENE
40
NE
45
ENE
55
ENE
50
ENE
50
ENE
50
ENE
35
ENE
25
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
NE
25
ENE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross
High Tide
3:49PM0.71m
4:15AM0.41m
4:22PM0.64m
5:04AM0.45m
4:53PM0.55m
5:55AM0.48m
5:21PM0.47m
6:52AM0.50m
5:48PM0.38m
7:56AM0.52m
6:10PM0.31m
9:08AM0.53m
Low Tide
9:11AM0.01m
10:50PM0.04m
10:01AM0.07m
11:17PM0.04m
10:54AM0.13m
11:44PM0.05m
11:53AM0.20m
00:11AM0.05m
1:08PM0.25m
00:39AM0.07m
2:59PM0.27m
1:14AM0.09m
2:00AM0.10m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:09
6:09
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
7:00
6:59
6:58
6:57
 mm
1
2
7
Temp °C
26
26
25
25
26
26
26
26
26
26
26
26
25
25
25
25
26
25
25
25
25
Feels °C
23
23
22
21
23
23
21
21
21
22
24
26
22
22
22
23
24
23
24
24
24
  • 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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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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