Surf Forecasts:
Waiehu beach park surf forecast from 12 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 5PM (local time) - 6.5ft (2.0m), 10s period, E swell with 816 kJ wave energy.
Best Forecast Surf Conditions for Waiehu beach park this week:
The most powerful waves expected at Waiehu beach park in the next 16 days are 2.0m 10s and forecast to arrive on Thursday (Sep 17) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 18s period and expected on Wednesday (Sep 16) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Thu 17th Sep) | 6.5ft (2.0m) 10s |
Table - best surf conditions forecast for Waiehu beach park over the next 16 days.
The Lowdown
Alright folks, Rusty here. Gotta be straight with you – it’s a tough stretch ahead. We’re looking at a solid run of onshore wind, and that’s going to chop up just about everything on offer.
Let’s talk about Waiehu Beach Park, a reef and point set-up that usually loves a good NNE swell. The water temp is sitting right on 80°, which is bang on average for this time of year – nothing weird there. The trouble is the wind. For the next two weeks, it’s blowing from the ENE, which is a cross-on shore for this spot. That means small, messy, weak surf. From Friday the 11th right through to the 24th of September, every session is marked as "poor surf conditions." We're looking at swell heights hovering between 2 ft and 7 ft, but with that onshore breeze and periods mostly in the 6 to 10 second range, it’s just not gonna form up. The wave energy stays low to moderate, mostly in the 100 to 800 range – nothing to get excited about. By the 17th and 18th, the swell bumps up a bit (around 7 ft) and the energy jumps to 787 and 820, but it’s still cross-on and choppy. This is one of those times where the setup looks more interesting for kite surfing than paddle surfing.
Now, hang in there, because there is a light at the end of the tunnel. Around Friday the 25th of September, things start to shift. We get a pulse of longer-period groundswell – 14 to 15 seconds – coming from the NNW. Swell size is around 3 ft to 5 ft, but that period is key. The combined energy on the 26th hits 1144, which is strong. The wind finally eases, becoming light cross-shore winds. The break could be a bit inconsistent, but those longer gaps between sets make paddling out easier. It’s still a bit of a gamble – the ratings are marginal – but this is hands down the best shot we’ve got in the whole 16-day window. It’s a long-range standout, so stay hopeful but not certain.
So, if you’re desperate for a wave, you might have to wait until the very end of the month. The first real decent window looks like Friday the 25th, but the better bet is Saturday the 26th of September. Keep an eye on that NNW swell and pray the wind holds light.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Wed morning, min 25°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
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) | ENE 11 | ENE 10 | ENE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 8 | NE 8 | NNE 8 | E 12 | E 6 | ENE 7 | E 6 | ENE 8 | ENE 8 | ENE 10 | E 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 308 | 167 | 128 | 99 | 99 | 99 | 99 | 99 | 70 | 69 | 41 | 71 | 88 | 148 | 160 | 336 | 298 | 787 | 816 | 696 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:37PM0.77m | 3:02AM0.68m | 2:57PM0.71m | 3:41AM0.70m | 3:14PM0.64m | 4:21AM0.69m | 3:27PM0.58m | 5:04AM0.66m | 3:32PM0.52m | 5:57AM0.62m | 3:16PM0.48m | 7:25AM0.57m | ||||||||
Low Tide | 8:55PM0.08m | 8:58AM0.13m | 9:16PM0.05m | 9:35AM0.21m | 9:36PM0.04m | 10:13AM0.29m | 9:58PM0.04m | 10:54AM0.36m | 10:19PM0.06m | 11:48AM0.43m | 10:43PM0.10m | 11:13PM0.14m | ||||||||
 |  | | | | | | | | |  | | | | |  | | | | | |
 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 26 | 27 | 27 | 26 |
Feels °C | 27 | 26 | 28 | 27 | 26 | 27 | 27 | 26 | 27 | 28 | 27 | 29 | 28 | 28 | 29 | 29 | 27 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | ENE 10 | NE 8 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 8 | NE 8 | NNE 8 | NNE 8 | NNE 8 | E 11 | NNE 7 | SW 18 | E 10 | SW 16 | WSW 16 | SW 17 |
| kJ | 37 | 167 | 74 | 99 | 99 | 99 | 99 | 99 | 70 | 69 | 41 | 40 | 37 | 84 | 18 | 79 | 136 | 66 | 25 | 77 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NNE 8 | WSW 16 | ENE 9 | ENE 9 | SW 16 | WNW 13 | ENE 8 | NW 12 | WSW 22 | E 13 | E 12 | E 11 | WSW 19 | WSW 18 | NNE 9 | WSW 17 | W 10 | SW 20 | W 9 |
| kJ | 13 | 50 | 25 | 68 | 46 | 9 | 17 | 7 | 6 | 45 | 30 | 71 | 61 | 73 | 61 | 16 | 59 | 2 | 15 | 2 |
Swell 3 Height (m) Direction Period (s) | WSW 17 | WSW 17 | WNW 9 | NW 9 | NW 15 | W 11 | W 11 | SE 8 | SW 14 | E 14 | NNE 10 | WSW 20 | WSW 19 | NW 10 | NW 9 | NW 9 | N 9 | — | NW 10 | — |
| kJ | 27 | 28 | 8 | 3 | 8 | 2 | 2 | 3 | 8 | 16 | 10 | 75 | 74 | 4 | 3 | 3 | 6 | — | 4 | — |
Wind waves Height (m) Direction Period (s) | ENE 11 | — | ENE 10 | ENE 4 | ENE 4 | E 9 | ENE 8 | ENE 4 | ENE 4 | ENE 4 | ENE 5 | ENE 6 | E 6 | ENE 7 | E 6 | ENE 8 | ENE 8 | ENE 10 | E 10 | ENE 10 |
| kJ | 308 | — | 128 | 13 | 12 | 55 | 73 | 9 | 16 | 22 | 31 | 52 | 88 | 148 | 160 | 336 | 298 | 787 | 816 | 696 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 7 | 7 | 12 | 7 | 7 | 7 | 20 | 15 | 7 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Best forecast wave conditions in Maui | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Waiehu beach park Surf forecast
The above surf forecast table for Waiehu beach park provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waiehu beach park can be found by selecting the local surf guide option on the grey menu. Our Waiehu beach park 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 (Waiehu beach park) 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 Waiehu beach park 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.
Waiehu beach park is 5 km (3 miles) from Wailuku. If you plan a vacation in Maui, look for hotels and other accommodation in Wailuku. Wailuku has rooms for a wide range of budgets as well as car hire and transport links.
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