Surf Forecasts:
Ala Moana surf forecast from 9 Sep 2026:
- Best quality surf: Friday 11 Sep, 7AM (local time) - 3.5ft (1.0m), 14s period, SW swell with glassy winds.
- Most powerful swell: Thursday 10 Sep, 4AM (local time) - 4ft (1.2m), 16s period, SW swell with 710 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 7AM (local time) - 3.5ft (1.0m), 14s period with SW swell.
Best Forecast Surf Conditions for Ala Moana this week:
The surf forecast for Ala Moana over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 7AM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 1.5m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Ala Moana in the next 16 days are 1.2m 16s and forecast to arrive on Thursday (Sep 10) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 12s period and expected on Thursday (Sep 10) at 4PM.
| Wave Type | Time (-05) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Fri 11th Sep) | 3.5ft (1.0m) 14s |
| Best Surf | 7AM (Fri 11th Sep) | 3.5ft (1.0m) 14s |
| Most Powerful | 4AM (Thu 10th Sep) | 4ft (1.2m) 16s |
Table - best surf conditions forecast for Ala Moana over the next 16 days.
The Lowdown
Alright, buddy, Rusty here. Let’s talk about the next couple of weeks.
Honestly, it’s a tough outlook. We’ve got a long, quiet run ahead. The first real chance to get wet doesn’t show up until Wednesday morning, September 9th, and even then, it’s a small one.
Wednesday morning, September 9th, we’ve got a little pulse at Ala Moana. A 3ft swell out of the SW, with a long 17-second period—that’s proper groundswell, but it’s not packing much punch. The combined energy is 939 (moderate), but the cross-on wind from the SSW at 6 mph is gonna mess with the surface. The water is a warm 69°F, which is a whopping 7° warmer than usual—that’s very unusual, feels like a warm bath. Still, the wave comment says it’s marginal, so don’t expect much more than a thigh-high slosh. It’s a reef, so that long period will wrap in, but the conditions are just barely okay.
The rest of Wednesday afternoon and all of Thursday, September 10th, are flat or poor. Thursday morning has a slightly better 4ft, 15-second SW swell, but the wind is shifting and the energy drops to 774. Still marginal.
Friday morning, September 11th, the swell drops to 3ft and the period shortens. The energy is 616. Not great.
Then we hit a real rough stretch. From Friday afternoon, September 11th, all the way through to Monday, September 21st, the surf is either poor or marginal. The swell stays small, the wind is mostly cross or cross-onshore, and the period is often short. The combined energy drops into the 400s and 300s, which is weak. There’s a blip on Monday, September 14th, with a 3ft, 18-second SW swell (672 energy), but it’s blown out. This is a long gap with nothing worth paddling for.
The outlook doesn’t get any better into the second week. Friday, September 18th, through to Wednesday, September 24th, sees the swell shrink to 2ft or 1ft, periods getting shorter, and energy falling into the 100s. That’s barely enough to stand up on.
So, what’s the best bet? Only one. Wednesday morning, September 9th, at Ala Moana. It’s the only moment where the swell size, period, and energy come together for a possible look. The long period is good for a reef, but the wind is a cross-on, so it won’t be glassy. If you’re jonesing, that’s your window. Everything else is a no-go. This is a quiet stretch, but forecasts can change.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Wed morning, min 17°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Sat afternoon, min 17°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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) | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | S 8 | SW 14 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 7 | S 8 | SW 19 | SW 18 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 499 | 318 | 427 | 542 | 528 | 398 | 308 | 257 | 245 | 251 | 201 | 191 | 186 | 191 | 231 | 437 | 350 | 567 | 492 | 466 | 453 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | on | cross | cross | on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 4:36PM0.65m | 5:12AM1.00m | 5:23PM0.71m | 5:48AM0.97m | 6:07PM0.76m | 6:22AM0.92m | 6:50PM0.80m | 6:54AM0.84m | 7:33PM0.81m | 7:24AM0.75m | 8:17PM0.79m | 7:53AM0.65m | 9:05PM0.76m | ||||||||
Low Tide | 11:08AM0.19m | 10:29PM0.08m | 11:41AM0.15m | 11:16PM0.09m | 12:12PM0.13m | 00:01AM0.13m | 12:42PM0.12m | 00:46AM0.19m | 1:12PM0.12m | 1:31AM0.25m | 1:40PM0.14m | 2:20AM0.32m | 2:09PM0.17m | 3:16AM0.38m | |||||||
 | |  | | |  | | | |  | | | | | | | | | | | | |
 | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — |
 | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 18 | 19 | 19 | 18 | 19 | 19 | 18 | 19 | 20 | 18 | 19 | 19 | 18 | 19 | 19 | 18 | 19 | 19 | 17 |
Feels °C | 20 | 19 | 16 | 20 | 17 | 16 | 19 | 18 | 17 | 18 | 20 | 16 | 19 | 17 | 17 | 18 | 17 | 17 | 18 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | S 7 | SSW 8 | SW 16 | SSW 8 | SW 14 | S 8 | S 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | SW 12 | S 7 | SW 11 | S 8 | SSW 8 | S 8 | S 9 | S 9 | S 9 | SW 14 |
| kJ | 198 | 226 | 427 | 232 | 528 | 258 | 286 | 257 | 245 | 251 | 201 | 114 | 186 | 99 | 206 | 197 | 210 | 215 | 190 | 154 | 453 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 13 | SW 13 | SW 15 | NW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 19 | SW 12 | SW 18 | SW 19 | SW 18 | SW 17 | SW 16 | SW 15 | SW 14 | S 8 |
| kJ | 499 | 295 | 239 | 542 | 6 | 398 | 308 | 250 | 208 | 158 | 118 | 58 | 110 | 108 | 231 | 437 | 350 | 567 | 492 | 466 | 111 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 16 | NW 10 | NW 11 | — | — | SW 24 | SW 23 | SW 21 | SSW 21 | SW 19 | SW 15 | SW 18 | SSW 10 | SW 11 | SW 10 | SW 14 | — | S 24 | SW 24 | SW 24 |
| kJ | 242 | 318 | 4 | 5 | — | — | 22 | 21 | 18 | 43 | 96 | 8 | 81 | 21 | 55 | 38 | 46 | — | 12 | 23 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | S 7 | — | SSW 8 | S 8 | — | — | — | — | — | S 8 | — | S 8 | — | — | — | — | — | — | — |
| kJ | — | — | 203 | — | 232 | 362 | — | — | — | — | — | 191 | — | 191 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 3 | 31 | 3 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 31 | 3 | 3 | 1 | 3 | 3 | 1 | 3 | 3 | 1 |
Best forecast wave conditions in Lima | |||||||||||||||||||||
Best forecast wave conditions in Peru | |||||||||||||||||||||
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Information about the Ala Moana Surf forecast
The above surf forecast table for Ala Moana provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ala Moana can be found by selecting the local surf guide option on the grey menu. Our Ala Moana 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 (Ala Moana) 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 Ala Moana 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.
Ala Moana is 6 km (4 miles) from the city of Lima. If you plan a holiday in Lima, look for hotels and other accommodation in Lima. Lima has rooms for a wide range of budgets as well as car hire and transport links.
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