Surf Forecasts:
Halfpoint/Fullpoint surf forecast from 15 Jul 2026:
- Most powerful swell: Sunday 19 Jul, 2AM (local time) - 6ft (1.8m), 8s period, ENE swell with 375 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 Sunday (Jul 19) 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 15s period and expected on Wednesday (Jul 15) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Sun 19th Jul) | 6ft (1.8m) 8s |
Table - best surf conditions forecast for Halfpoint/Fullpoint over the next 16 days.
The Lowdown
Alright, let's switch to the imperial tape. Rusty here, and we're looking at the 16-day for Halfpoint/Fullpoint. It's a bleak start, and the wind is our enemy. That persistent ENE breeze is going to tear the surface apart (moderate to fresh cross-shore and cross-onshore). The water is 79°F, which is exactly what you'd expect for July.
The first week is a write-off. Starting Wednesday the 15th, we've got tiny, chopped-up slop. The swell energy is weak, sitting at 118 (Wednesday morning) and 64 (Wednesday afternoon). The swell might creep up to 5 ft on Sunday the 19th, but with a fresh cross-shore wind, it's going to be a lumpy mess. No point in paddling out.
The second week is a slow burn. The wind stays cross-shore, but the swell energy starts building. By the 24th of July, we get a flicker of a 'marginal' rating. The swell is from the SSW with a very long period of 18 seconds (very long period groundswell), and the combined energy is strong at 712. The problem is that the wind is still a moderate cross-shore. For a beach break, a long period groundswell can just break straight and be a pain.
The only real standout is Sunday the 26th and Monday the 27th of July. The swell goes east, with a nice 4 ft to 4 ft range and a 14-to-16 second period. The combined energy spikes to 1359 (Sunday afternoon) – that's a proper pulse of power. The wind is still a moderate cross-shore, so it won't be perfect, but it's the best we've got this far out. It's a promising but less certain call. If you can get a window with a lighter breeze, that's your session.
Rusty.
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 25°C on Wed morning, min 24°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummarySome drizzle, heaviest during Sat morning. Warm (max 25°C on Sat morning, min 24°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NE 7 | ENE 7 | SSW 16 | SSW 16 | SSW 17 | ENE 6 | ENE 6 | SSW 16 | SSW 14 | SSW 13 | SSW 14 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 14 | S 16 | S 15 | S 14 | S 14 | S 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 118 | 64 | 314 | 175 | 195 | 145 | 103 | 196 | 149 | 141 | 210 | 375 | 314 | 298 | 167 | 142 | 321 | 271 | 329 | 302 | 273 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross-on | cross | cross-on | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-on |
High Tide | 4:19PM0.78m | 4:35AM0.27m | 4:58PM0.72m | 5:33AM0.31m | 5:35PM0.64m | 6:37AM0.35m | 6:10PM0.55m | 7:46AM0.40m | 6:42PM0.45m | 8:59AM0.45m | 7:13PM0.37m | 10:08AM0.51m | 7:46PM0.29m | ||||||||
Low Tide | 9:12AM-0.05m | 11:45PM0.02m | 10:02AM0.01m | 00:20AM0.02m | 10:55AM0.08m | 00:53AM0.03m | 11:55AM0.16m | 1:26AM0.03m | 1:10PM0.23m | 1:58AM0.03m | 2:57PM0.28m | 2:33AM0.04m | 5:25PM0.28m | 3:12AM0.05m | |||||||
 | |  | | | | | |  |  | |  |  | | | | | | | | | |
 | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:14 | — | — | 7:14 | — | — | 7:14 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 26 | 25 | 24 | 25 | 23 | 24 | 23 | 23 | 22 | 23 | 24 | 24 | 22 | 21 | 23 | 24 | 23 | 23 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | NE 7 | ENE 7 | SSW 16 | W 14 | W 14 | ENE 6 | W 14 | SSW 16 | SSW 14 | SSW 13 | SSW 14 | S 12 | SSW 12 | S 13 | SSW 12 | S 14 | S 16 | ENE 7 | S 14 | S 14 | ENE 7 |
| kJ | 118 | 64 | 314 | 203 | 203 | 145 | 144 | 196 | 147 | 141 | 210 | 112 | 87 | 85 | 45 | 142 | 321 | 111 | 329 | 302 | 131 |
Swell 2 Height (m) Direction Period (s) | W 15 | W 15 | W 15 | SSW 16 | SSW 13 | SW 14 | SW 16 | W 14 | W 13 | WNW 13 | NNE 7 | W 12 | S 19 | S 18 | S 18 | S 16 | SW 18 | S 15 | E 13 | E 12 | S 13 |
| kJ | 221 | 215 | 212 | 175 | 113 | 211 | 125 | 98 | 90 | 57 | 19 | 28 | 66 | 106 | 97 | 135 | 81 | 271 | 123 | 109 | 273 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 14 | NNE 8 | SSW 13 | SSW 17 | W 14 | NNE 7 | SSW 12 | SW 15 | NNE 7 | WNW 13 | S 20 | W 12 | W 12 | NNE 8 | NNE 8 | E 16 | E 14 | SW 17 | E 7 | E 12 |
| kJ | 162 | 206 | 47 | 113 | 195 | 148 | 20 | 55 | 58 | 17 | 56 | 32 | 25 | 25 | 24 | 23 | 46 | 103 | 73 | 17 | 102 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 7 | NE 7 | ENE 6 | — | ENE 6 | ENE 7 | ENE 6 | ENE 6 | E 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | NE 7 | ENE 7 | NE 7 | — |
| kJ | — | — | 68 | 109 | 82 | — | 103 | 150 | 149 | 119 | 123 | 375 | 314 | 298 | 167 | 121 | 150 | 79 | 117 | 106 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 41 | 48 | 50 | 49 | 48 | 48 | 49 | 20 | 48 | 55 | 48 | 48 | 48 | 17 | 17 | 48 | 17 | 48 | 55 | 48 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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