Nimitz Beach Surf Break

Lat Long: 21.30° N 158.08° W

Nimitz Beach Surf Forecast and Surf Report

Issued: 7 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nimitz Beach sea temperature is
27.2° C
0.4° 

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


Nimitz Beach surf forecast from 18 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 8AM (local time) - 1.5ft (0.5m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Monday 24 Aug, 8PM (local time) - 6.5ft (2.0m), 8s period, E swell with 533 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 19 Aug, 8AM (local time) - 1.5ft (0.5m), 16s period with SW swell.

Best Forecast Surf Conditions for Nimitz Beach this week:

The surf forecast for Nimitz Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 8AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.9m and 8s. Another secondary swell of 0.5m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nimitz Beach in the next 16 days are 2.0m 8s and forecast to arrive on Monday (Aug 24) 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 6s period and expected on Saturday (Aug 22) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 19th Aug)1.5ft (0.5m) 16s
Best Surf 8AM (Wed 19th Aug)1.5ft (0.5m) 16s
Most Powerful 8PM (Mon 24th Aug)6.5ft (2.0m) 8s

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


The Lowdown

Alright folks, Rusty here. Let's have a look at what's on the cards for the next couple of weeks.

Look, I'm not gonna sugarcoat it – this stretch is a tough one for Nimitz Beach. We're looking at a whole lot of near-windswell and some pretty strong trade winds muscling in. We've got a two-week window here, but honestly, there's not a single day that jumps out as a proper standout. The best you can hope for is a couple of fleeting moments where it all comes together, but you'll have to scratch for 'em.

The first real chance to get wet isn't until the morning of Tuesday, August 19th. We've got a light 2 ft of swell pushing in from the southwest with a long 16-second period. The wind is a light easterly, making for a clean, cross-off look. The combined energy is moderate (284). It's not going to be epic, but it's the most user-friendly the surf will be all week. That southwest direction is what this reef likes. The water temp is about average for this time of year.

If you miss that, keep an eye on the afternoon of Thursday, August 20th. The swell is still a modest 2 ft from the southwest, but the period stretches out to 17 seconds, giving it some real groundswell grunt. The wind goes glassy, which is a huge positive; the combined energy is moderate (399). It'll be clean and lined up, but with that longer period, the sets could be a little inconsistent at this beach break/reef combo. It's not a total write-off.

After that, the wind kicks in hard. From Friday the 22nd through the end of the month, we're looking at strong to fresh cross-off trades from the east-northeast cranking at 18 to 28 mph. The surf bumps up to over 5 ft and even hits 7 ft around the 24th and 25th, but it's all short-period, wind-driven stuff from the east (7–8 seconds). The combined energy climbs into the moderate range (554–796), but with those winds, it's a messy, churning ocean. Honestly, for a stretch like that, the setup looks more interesting for kite surfing than paddle surfing.

The first week of September brings a similar story. The winds ease slightly, but the swell drops back down to a paltry 2 ft from the south-southeast with a short period, and the wave energy is weak (78–137). The outlook is still poor. It's a long, dry spell for any decent waves.

So, to sum it up: the best of a bad bunch is the window from Tuesday morning, August 19th, through Thursday afternoon, August 20th. Even then, it's only for the dedicated few willing to hunt for clean, small waves. The rest of the 16 days is a write-off, dominated by strong trades and messy conditions. That's the reality of it for this spot. This kind of blank run can happen here, so don't lose hope – forecasts can always shift.

Rusty.

Short Range Forecast

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

Days 5-7 Weather Summary

Mostly dry. Warm (max 28°C on Sat afternoon, min 25°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the ENE by Sat afternoon).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
1
2
1
2
1
2
2
0
1
2
0
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
S
13
0.8
S
13
0.6
S
13
0.7
S
13
0.5
SW
16
0.5
SW
16
0.6
SSW
16
0.7
SW
18
0.7
SW
17
0.8
SSW
16
0.8
SSW
17
0.8
SSW
16
0.9
SW
16
0.8
SSW
16
0.8
SSW
16
1.9
E
7
1.6
E
7
1.5
E
7
1.7
E
7
Wave Graph
Metric surfscale
Energy kJ
222
215
123
158
129
125
175
316
305
347
368
326
367
326
318
357
261
230
279
Wind (km/h)
25
ENE
20
ENE
20
ENE
15
ENE
15
E
10
E
10
ENE
5
E
5
ESE
5
NNE
10
SSE
10
SSE
10
NE
25
E
35
ENE
35
ENE
40
ENE
40
ENE
30
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
glassy
glassy
cross-on
cross-on
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:25AM0.55m
6:13PM0.37m
9:42AM0.56m
11:04AM0.57m
12:12PM0.60m
11:03PM0.23m
1:02PM0.64m
00:38AM0.25m
1:42PM0.67m
1:26AM0.28m
Low Tide
00:54AM0.11m
2:59PM0.34m
1:23AM0.13m
2:04AM0.14m
3:11AM0.15m
9:15PM0.23m
9:01PM0.20m
5:49AM0.13m
9:11PM0.18m
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
6:11
6:11
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
6:59
6:58
6:58
6:57
6:55
 mm
Temp °C
26
26
27
25
26
26
25
27
27
26
26
26
26
27
28
26
27
28
25
Feels °C
25
25
26
25
27
27
26
30
29
29
29
28
29
26
25
25
24
26
23
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  • 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 Nimitz Beach Surf forecast

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

Nimitz Beach is 5 km (3 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.

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