Publics Surf Break

Lat Long: 21.27° N 157.83° W

Publics Surf Forecast and Surf Report

Issued: 7 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Publics sea temperature is
27.1° C
0.4° 

Publics surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Publics surf forecast from 16 Aug 2026:

  • Best quality surf: Monday 17 Aug, 2AM (local time) - 6ft (1.8m), 8s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Sunday 16 Aug, 2PM (local time) - 8ft (2.5m), 9s period, ENE swell with 1,131 kJ wave energy.
  • Next surfable swell (1★+): Monday 17 Aug, 2AM (local time) - 6ft (1.8m), 8s period with ENE swell.

Best Forecast Surf Conditions for Publics this week:

The surf forecast for Publics over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 2AM. The primary swell is predicted to be 1.8m and 8s period with a secondary swell of 0.9m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Publics in the next 16 days are 2.5m 9s and forecast to arrive on Sunday (Aug 16) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Saturday (Aug 22) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 17th Aug)6ft (1.8m) 8s
Best Surf 2AM (Mon 17th Aug)6ft (1.8m) 8s
Most Powerful 2PM (Sun 16th Aug)8ft (2.5m) 9s

Table - best surf conditions forecast for Publics over the next 16 days.


The Lowdown

G’day, Rusty here. Let’s talk about what’s happening with your local surf at Publics.

Right now, the lineup’s a write-off. We’ve got a big, messy 10-ft swell out of the ENE with a short, weak period of 9 seconds, and a strong cross-shore wind from the ESE at 25 mph making it a total mess. The combined wave energy is cooking at 2741, but it’s all for nothing – poor surf conditions with that cross-chop. You’d be a glutton for punishment to even look at it. Sunday afternoon doesn’t improve much: 8-ft ENE swell, still short period, still cross-shore wind, just less strong.

Monday the 17th is where we finally get a breather. The swell drops right back to 3-ft from the south, with a long 14-second period, and the wind swings to a cross-offshore from the ENE at 18 mph. It’s clean. The combined energy is way down to 666, so it’s weak, but it’s rideable. Monday afternoon is much the same – 3-ft S swell, still clean. It’s marginal, but it’s a start.

Tuesday the 18th stays clean with tiny 2-ft south swell, but the period is still solid at 13 seconds. The combined energy drops to 403, so it’s weak energy, and the surf quality is listed as poor. Wednesday the 19th is even smaller, 2-ft SW swell with a 16-second period – very long, very clean, but barely a ripple. Combined energy is just 281.

Here’s the standout: Thursday the 20th. That’s the best on offer in this whole run. We’ve got a clean, 2-ft SSW swell with a deep 18-second period in the morning, and it gets even better in the afternoon – still 2-ft, 17-second period, and the wind drops to a light breeze from the ENE at just 6 mph. It’s glassy. The combined energy is 281 in the morning, 254 in the afternoon, so it’s weak energy, but the conditions are “expect good surf conditions.” For a break like Publics, with a beach and reef setup that’s exposed to SSE swell, this long-period SSW groundswell will wrap in nicely. It’s a point-and-reef type of day, not a beach break, so that long period will actually shape up well. Water temp is a very warm 81°, about average for this time of year, so no surprises there.

Friday the 21st and Saturday the 22nd slip back into marginal territory. Small 2-ft SW swell with decent period, but the wind goes cross-on or cross, so it’s not clean. Not worth getting excited about.

Sunday the 23rd afternoon kicks off a building trend. We see 5-ft ENE swell with only a 7-second period – weak, short-period junk – and the combined energy hits 466, but the surf quality is poor. From Monday the 24th through Wednesday the 26th, swell builds from 5-ft to 8-ft out of the ENE, but the period stays short (7 to 8 seconds), and the wind is a stiff cross-offshore at 15 to 22 mph. The combined energy climbs from 404 to 932, but it’s all messy, weak-windswell. The surf quality is listed as poor or marginal.

Now, Thursday the 27th and Friday the 28th get serious. Swell jumps to 10-ft ENE, period 10 seconds, combined energy over 2000 – that’s strong wave energy. By Friday the 28th, it’s 12-ft out of the east with a 9- to 10-second period, combined energy around 2446. The wind is cross-offshore and strong, 22 to 25 mph. This is big, powerful, but short-period swell. For a beach and reef setup like Publics, at over 8-ft this is experts-only territory. The short period will make it dumpy and fat on the beach, but the reef may handle it better. Still, the surf quality is only “marginal” – not a classic day. If you’re a kite surfer, this is looking more interesting than for a paddle surfer, with that strong cross-off wind and big, lumpy waves.

Saturday the 29th drops back to 7-ft ENE, still short period, combined energy 1043, still marginal. And then from Sunday the 30th into Monday the 31st, it fades back to tiny 2-ft south swell with very long periods yet again, but the surf quality is poor.

So, take it from me: if you’ve got a window, Thursday the 20th is your day. Small but perfect, clean, and glassy. Anything after that is either too small, too messy, or too big and ugly for a fun paddle. And remember, these long-range calls for the last week of August are always a bit less certain, so keep an eye on the wind shifts. Rusty out.

Short Range Forecast

Heavy rain (total 41mm), heaviest during Sun morning. Warm (max 27°C on Sun night, min 24°C on Mon night). Winds decreasing (strong winds from the ESE on Sun morning, light winds from the E by Sun night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Fri afternoon, min 24°C on Wed night). Wind will be generally light.

Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
3
1
1
0
0
0
0
1
1
1
2
2
2
1
1
2
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
ENE
9
2.3
ENE
9
1.8
ENE
8
0.9
S
14
0.8
S
14
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.2
ENE
7
0.5
SW
16
0.8
E
8
0.5
SW
16
0.6
SSW
18
0.6
SSW
17
0.7
SW
16
0.7
SW
17
0.7
SW
16
0.8
SSW
16
0.7
SW
16
0.7
SW
16
0.7
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1609
772
418
334
260
188
165
158
147
129
100
129
207
200
274
291
261
322
261
251
212
Wind (km/h)
35
ESE
25
SE
15
ENE
30
ENE
30
ENE
25
NE
30
ENE
25
ENE
25
ENE
25
ENE
20
ENE
15
NE
15
ENE
10
NE
5
NE
10
SE
5
SSE
10
N
5
ESE
20
NE
10
ENE
Wind State
cross
cross
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-on
cross-on
off
cross
cross-off
cross-off
High Tide
6:24PM0.45m
7:54AM0.49m
6:52PM0.37m
8:59AM0.51m
7:16PM0.30m
10:13AM0.53m
11:25AM0.56m
10:11PM0.21m
12:25PM0.59m
00:08AM0.21m
1:12PM0.63m
1:06AM0.23m
Low Tide
12:43PM0.20m
00:58AM0.06m
1:59PM0.25m
1:27AM0.08m
3:56PM0.27m
2:01AM0.10m
2:47AM0.12m
8:27PM0.20m
8:41PM0.17m
5:06AM0.12m
9:00PM0.16m
thunderstorm
mod rain
thunderstorm
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
6:11
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
6:59
6:58
6:57
6:57
6:55
 mm
30
8
3
1
Temp °C
26
26
27
25
25
25
25
26
25
25
26
25
26
26
26
26
27
26
27
27
27
Feels °C
24
25
28
25
23
24
24
24
24
25
26
26
27
27
28
29
29
29
30
30
28
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Publics Surf forecast

The above surf forecast table for Publics provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Publics can be found by selecting the local surf guide option on the grey menu. Our Publics 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 (Publics) 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 Publics 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.

Publics is 6 km (4 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.

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