Surf Forecasts:
Waimanalo surf forecast from 4 Jul 2026:
- Most powerful swell: Tuesday 7 Jul, 5AM (local time) - 7ft (2.2m), 8s period, ENE swell with 551 kJ wave energy.
Best Forecast Surf Conditions for Waimanalo this week:
The most powerful waves expected at Waimanalo in the next 16 days are 2.2m 8s and forecast to arrive on Tuesday (Jul 07) at 5AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 20s period and expected on Saturday (Jul 04) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Tue 7th Jul) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Waimanalo over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, Rusty here again, just in different numbers. The truth is the same: Waimanalo is going to be flat-out poor for the next 16 days. No surf to get excited about.
Water temp’s running about 79°, which is normal for this time of year, but the wind is the real problem. It’s blowing out of the ENE steady at 19 to 25 mph, and that’s keeping everything choppy and messy. Swell is coming from the same ENE direction, running 3 ft to 7 ft, but with a short period of 7 to 8 seconds. The combined energy numbers sit between 200 and 500 (moderate), but with that wind, it’s all just blown-out slop.
From July 4 all the way through July 19, the forecast calls it “poor surf conditions” every single time. No hidden gem days. No glassy windows. Even the mornings get hit with that fresh breeze. Toward the end, the swell drops to around 3 ft, but the wind doesn’t let up.
Waimanalo is an exposed beach, and with this constant onshore wind and short-period swell, it’s really a better setup for kiteboarding than paddling. For surfers, it’s a dead zone. This kind of long, dull stretch does happen here, so it’s not a shock, but it’s still a bummer. Things can change, but for now, don’t bother waxing up.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 25°C on Sat afternoon, min 24°C on Sat morning). Mainly strong winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Wed afternoon, min 24°C on Tue morning). Mainly fresh winds. | ||||||||||||||||||||
Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | |||||||||||||||
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) | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 330 | 339 | 310 | 418 | 387 | 406 | 447 | 532 | 495 | 459 | 508 | 444 | 327 | 319 | 338 | 353 | 369 | 301 | 358 | 420 | 435 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | on | on | cross-on |
High Tide | 6:00PM0.58m | 5:41AM0.27m | 6:18PM0.54m | 7:34AM0.29m | 6:34PM0.50m | 10:04AM0.36m | 6:48PM0.45m | 11:36AM0.46m | 6:52PM0.41m | 12:27PM0.56m | 1:10PM0.65m | ||||||||||
Low Tide | 10:19AM0.04m | 1:11AM0.15m | 10:54AM0.11m | 1:44AM0.11m | 11:39AM0.20m | 2:21AM0.07m | 1:09PM0.29m | 3:04AM0.02m | 4:21PM0.34m | 3:52AM-0.03m | 4:44AM-0.07m | ||||||||||
 | |  | | | | | |  | | |  |  | | | | | | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 5 |
Temp °C | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 |
Feels °C | 21 | 23 | 21 | 21 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 21 | 23 | 23 | 21 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 21 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 89 | 128 | 123 | 104 | 102 | 86 | 84 | 76 | 71 | 70 | 66 | 63 | 36 | 35 | 34 | 30 | 27 | 11 | 11 | 12 | 11 |
Swell 2 Height (m) Direction Period (s) | NW 12 | NW 12 | ESE 9 | NW 11 | NNW 11 | NW 10 | SE 9 | SE 9 | S 18 | S 8 | S 10 | S 10 | S 9 | S 8 | S 8 | S 16 | S 16 | S 15 | SW 21 | SW 21 | SSW 19 |
| kJ | 24 | 23 | 16 | 19 | 12 | 4 | 3 | 3 | 6 | 1 | 2 | 2 | 1 | 1 | 1 | 5 | 5 | 4 | 18 | 17 | 37 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 15 | NW 12 | SSW 14 | SSW 13 | SSW 13 | NW 10 | NW 10 | S 8 | N 9 | — | — | S 18 | S 18 | — | S 8 | S 7 | S 18 | — | W 14 | W 15 |
| kJ | 49 | 22 | 21 | 20 | 17 | 17 | 4 | 4 | 1 | 2 | — | — | 6 | 6 | — | 1 | 1 | 6 | — | 4 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 330 | 339 | 310 | 418 | 387 | 406 | 447 | 532 | 495 | 459 | 508 | 444 | 327 | 319 | 338 | 353 | 369 | 301 | 358 | 420 | 435 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 44 | 50 | 44 | 50 | 57 | 50 | 52 | 117 | 50 | 52 | 56 | 44 | 45 | 50 | 44 | 44 | 55 | 45 | 44 | 52 | 44 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimanalo surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Waimanalo Surf forecast
The above surf forecast table for Waimanalo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waimanalo can be found by selecting the local surf guide option on the grey menu. Our Waimanalo 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 (Waimanalo) 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 Waimanalo 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.
Waimanalo is 7 km (4 miles) from 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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