Surf Forecasts:
Halfpoint/Fullpoint surf forecast from 11 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 8PM (local time) - 8ft (2.5m), 11s period, ENE swell with 1,615 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 2.5m 11s and forecast to arrive on Sunday (Aug 16) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 12s period and expected on Thursday (Aug 13) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sun 16th Aug) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Halfpoint/Fullpoint over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's cut through the noise and look at what we've got for Halfpoint/Fullpoint. Straight up, this is a rough stretch ahead. The place is exposed to the swell, and it's a fairly consistent setup, but the wind gods are not playing nice for a long, long time.
We kick off on Tuesday the 11th with a cross-on breeze at 19 mph, lumping up some weak 5 ft swell from the ENE. The combined wave energy is a weak 425. Afternoon doesn't get any better—cross-shore wind and a weird mix of tiny 3 ft SSW groundswell. The water temp? Eh, nothing special to report, about average for the time of year. We're in for a solid week of this. From Wednesday the 12th right through to the end of Saturday the 15th, it's the same story: strong breezes (25 mph), messy cross-shore chop, and poor surf. The swell bumps up a bit, hitting 8 ft on Sunday the 16th with a clean cross-offshore wind, but it's coming with 28-31 mph winds and only a score of '1'—it's a no-go for any kind of paddling, maybe more of a kiting day with that kind of power. The energy jumps to a solid 1677 that morning.
The pattern drags on through the 17th with onshore winds and then into the start of the following week. Monday the 18th morning gives us a glimmer: a clean, light onshore breeze (6 mph) with 6 ft swell from the NE. The combined energy is 603. It's still rated as marginal, but it's the cleanest window we see for a while. That's your best bet, and it's a pretty average look. After that, we're back to cross-shore lumps and bumps. The 19th and 20th see the swell dropping right off to tiny 2 ft but with a long 18-second period from the SSW—the energy picks up on the 20th to 543. Still, the wind is junk. By the 23rd and 24th, the swell tries to push back up around 7 ft, but the wind stays messy.
Honestly, if you're desperate for a paddle, that Monday morning (18th of August) is the only spot in the whole 16-day window that doesn't look like a total battle. The rest is a poor run of luck.
Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Mon night, min 25°C on Tue night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sun morning. Warm (max 26°C on Thu night, min 25°C on Thu night). Mainly strong winds. | ||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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) | ENE 7 | ENE 7 | SSW 14 | S 20 | S 18 | S 18 | S 16 | S 16 | S 15 | S 15 | S 14 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 11 | ENE 11 | ENE 11 | ENE 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 186 | 203 | 269 | 276 | 509 | 498 | 520 | 501 | 662 | 537 | 416 | 395 | 589 | 603 | 764 | 1485 | 1429 | 1503 | 1576 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross |
High Tide | 1:52AM0.27m | 2:36PM0.79m | 2:40AM0.31m | 3:14PM0.76m | 3:27AM0.36m | 3:49PM0.71m | 4:15AM0.41m | 4:22PM0.64m | 5:04AM0.45m | 4:53PM0.55m | 5:55AM0.48m | 5:21PM0.47m | |||||||
Low Tide | 9:21PM0.06m | 7:31AM-0.04m | 9:52PM0.05m | 8:22AM-0.02m | 10:21PM0.04m | 9:11AM0.01m | 10:50PM0.04m | 10:01AM0.07m | 11:17PM0.04m | 10:54AM0.13m | 11:44PM0.05m | 11:53AM0.20m | 00:11AM0.05m | ||||||
 |  | | | | | | | | | | | |  | |  |  |  |  | |
 | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 7:04 | — | 7:02 | — | — | 7:02 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 44 |
Temp °C | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 |
Feels °C | 25 | 25 | 24 | 23 | 24 | 23 | 24 | 24 | 23 | 24 | 23 | 22 | 23 | 23 | 23 | 22 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 18 | S 18 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 |
| kJ | 186 | 165 | 269 | 243 | 509 | 498 | 520 | 501 | 662 | 537 | 416 | 333 | 306 | 222 | 168 | 222 | 116 | 160 | 188 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSW 11 | SSE 9 | S 20 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | W 12 | W 11 | W 12 | W 12 | W 11 | W 11 | E 11 | S 18 | S 16 | S 16 | S 16 |
| kJ | 17 | 41 | 16 | 276 | 218 | 218 | 170 | 150 | 11 | 10 | 11 | 11 | 9 | 9 | 91 | 56 | 132 | 127 | 81 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSE 9 | S 21 | SSE 8 | W 13 | W 12 | W 12 | W 12 | SW 19 | SW 18 | SW 18 | SSW 18 | SSW 17 | NNW 9 | W 13 | W 13 | W 12 | W 12 | W 11 |
| kJ | 23 | 16 | 79 | 14 | 30 | 25 | 25 | 11 | 14 | 13 | 12 | 30 | 29 | 8 | 30 | 30 | 25 | 25 | 22 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | E 7 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 11 | ENE 11 | ENE 11 | ENE 11 |
| kJ | 186 | 203 | 156 | 191 | 182 | 172 | 270 | 225 | 268 | 326 | 403 | 395 | 589 | 603 | 764 | 1485 | 1429 | 1503 | 1576 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 17 | 48 | 49 | 48 | 48 | 50 | 48 | 50 | 60 | 49 | 56 | 110 | 49 | 111 | 217 | 48 | 217 | 217 | 130 |
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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