
Surf Forecasts:
Number Fours surf forecast from 3 Jul 2026:
- Most powerful swell: Tuesday 7 Jul, 8PM (local time) - 8ft (2.4m), 8s period, ENE swell with 672 kJ wave energy.
Best Forecast Surf Conditions for Number Fours this week:
The most powerful waves expected at Number Fours in the next 16 days are 2.4m 8s and forecast to arrive on Tuesday (Jul 07) 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 1.7m 8s period and expected on Friday (Jul 03) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Tue 7th Jul) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Number Fours over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, surfers, Rusty here, and I've got a look at what's cookin' at Number Fours. It's a bit of a mixed bag, so let's get into it.
Right off the bat, the water's sitting at a balmy 80°, which is pretty much average for this time of year, so no surprises there.
We're looking at a rocky start. The first week is a real grind. From Friday, July 3rd, right through to the end of the week, the conditions are just off. We've got a persistent cross-off wind from the ENE blowing at 18 to 25 mph that's really messing with the quality. The swell is there, but it's short-period windswell – around 7 or 8 seconds – and it's just not shaping up. The combined energy is moderate, but the raw numbers don't tell the story of the chop. It’s going to be a battle out there, and the surf just isn't worth paddling out for. Honestly, a lot of this period looks more suited for kitesurfing than traditional paddle surfing, especially when you see the swell pushing up to 8 ft on the 7th with that messy energy.
There's a glimmer of hope, but it's a long wait. The one standout, the session you've been waiting for, is Tuesday, July 14th. The afternoon looks like a proper window. The wind drops right back to a light 6 mph breeze, turning it cross-off and glassy. The swell is a small 2 ft from the SW with a 14-second period. That's that long-period groundswell energy, and while the size is tiny, the quality will be there. It's a reef break, and that long period will wrap in nicely. Expect clean lines and smooth walls. The combo of that glassy wind and the clean shape is a major positive. The crowds might be around sometimes, but on a Tuesday afternoon with small waves, it shouldn't be too hectic.
After that little teaser, we're back into the mire. The rest of the second week is dominated by that same fresh cross-off wind and inconsistent, short-period swell. Nothing really stands out as worth the effort. It's a dry spell that runs for days on end.
So, to wrap it up: if you're after a surf, hold your horses. The best bet by a long shot is to pencil in the afternoon of Tuesday, July 14th. It's a promise, not a guarantee this far out, but it's the only real chance for a clean, fun session on the reef.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Fri morning, min 24°C on Fri night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Mon morning, min 24°C on Mon morning). Mainly fresh winds. | ||||||||||||||||||||
Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | |||||||||||||||
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 8 | ENE 8 | S 20 | SSW 19 | SSW 18 | SSW 18 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph | |||||||||||||||||||||
253 | 271 | 310 | 327 | 377 | 486 | 418 | 408 | 462 | 417 | 475 | 498 | 469 | 588 | 512 | 363 | 379 | 417 | 358 | 299 | 209 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:33PM0.61m | 7:25AM0.23m | 7:06PM0.55m | 8:31AM0.28m | 7:40PM0.49m | 9:42AM0.35m | 8:17PM0.41m | 10:50AM0.43m | 9:01PM0.34m | 11:51AM0.52m | 10:00PM0.26m | 12:45PM0.61m | 11:18PM0.20m | ||||||||
Low Tide | 11:12AM0.06m | 1:57AM0.03m | 12:01PM0.11m | 2:26AM0.02m | 1:05PM0.17m | 2:56AM0.01m | 2:35PM0.23m | 3:29AM-0.00m | 4:35PM0.25m | 4:06AM-0.02m | 6:43PM0.23m | 4:48AM-0.04m | 8:17PM0.17m | ||||||||
5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | |
— | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 |
Feels °C | 24 | 22 | 23 | 22 | 22 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 22 | 21 | 21 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 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 | S 13 | S 12 | S 12 | ENE 7 |
168 | 208 | 146 | 212 | 377 | 486 | 418 | 408 | 457 | 337 | 402 | 284 | 280 | 273 | 250 | 192 | 187 | 125 | 112 | 78 | 209 | |
Swell 2 Height (m) Direction Period (s) | SW 13 | SSW 12 | SSW 12 | S 21 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSE 9 | SSE 9 | SE 8 | SSE 8 | SE 8 | SE 10 | SSE 8 | SSE 8 | SE 8 | SSE 8 | W 15 | S 12 |
85 | 60 | 59 | 326 | 162 | 69 | 138 | 78 | 17 | 8 | 8 | 3 | 7 | 3 | 4 | 7 | 7 | 3 | 6 | 18 | 75 | |
Swell 3 Height (m) Direction Period (s) | S 13 | SSE 9 | SSW 22 | SSW 16 | SSW 11 | SW 15 | SSE 11 | E 9 | SSE 10 | SSW 13 | W 10 | SE 10 | S 10 | S 10 | — | — | S 18 | W 18 | W 17 | SSE 8 | W 15 |
13 | 8 | 164 | 25 | 23 | 54 | 11 | 15 | 9 | 17 | 2 | 4 | 2 | 2 | — | — | 6 | 6 | 22 | 6 | 38 | |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — |
253 | 271 | 310 | 327 | 310 | 327 | 310 | 302 | 462 | 417 | 475 | 498 | 469 | 588 | 512 | 363 | 379 | 417 | 358 | 299 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 31 | 39 | 31 | 31 | 39 | 31 | 39 | 42 | 39 | 126 | 126 | 31 | 42 | 39 | 39 | 39 | 39 | 32 | 39 | 46 | 31 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Number Fours Surf forecast
The above surf forecast table for Number Fours provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Number Fours can be found by selecting the local surf guide option on the grey menu. Our Number Fours 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 (Number Fours) 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 Number Fours 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.
Number Fours is 5 km (3 miles) from Honolulu. If you plan a vacation in Oahu, look for hotels and other accommodation in Honolulu. Honolulu has rooms for a wide range of budgets as well as car hire and transport links.










