Nimitz Beach Surf Break

Lat Long: 21.30° N 158.08° W

Nimitz Beach Surf Forecast and Surf Report

Issued: 7 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nimitz Beach sea temperature is
26.7° 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 Jul 2026:

  • Best quality surf: Tuesday 21 Jul, 2AM (local time) - 3ft (0.9m), 15s period, S swell with cross-offshore winds.
  • Most powerful swell: Thursday 23 Jul, 8PM (local time) - 3.5ft (1.0m), 19s period, SSW swell with 708 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 21 Jul, 2AM (local time) - 3ft (0.9m), 15s period with S 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 Tuesday (Jul 21) at 2AM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 0.5m and 16s. 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 1.0m 19s and forecast to arrive on Thursday (Jul 23) 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 1.6m 7s period and expected on Friday (Jul 24) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 21st Jul)3ft (0.9m) 15s
Best Surf 2AM (Tue 21st Jul)3ft (0.9m) 15s
Most Powerful 8PM (Thu 23rd Jul)3.5ft (1.0m) 19s

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


The Lowdown

Alright, grab your coffee and let’s settle in. I’m lookin’ at the charts for Nimitz Beach, and honestly, it’s a bit of a slow burn. The start of this 16-day window is real quiet, with barely a ripple worth paddling for. The water temp is sittin’ around 80°, which is bang on normal for this time of year, so no surprises there.

Right off the bat, Friday the 17th, we got a long-period groundswell rolling in from the SSW at 2ft to 3ft, period up around 16 seconds. That’s a nice, clean pulse of energy—moderate energy in the water (460 to 503)—but the wind is blowin’ cross or cross-off out of the east at 12 to 19 mph. That wind is killin’ it for a clean face. The wave comment is “poor surf conditions,” so I’m not even gonna pretend that’s a go. Same story through Saturday and Sunday; swell bumps up a bit to 5ft on Saturday, but that short period (7 to 8 seconds) and strong breeze just trash any hope of a decent wave. Not worth your time.

The pattern stays marginal through Monday the 20th and Tuesday the 21st. We get some S swell at 2ft to 3ft with a long period of 14 to 16 seconds, and the energy is moderate (397 to 498). The wind is still cross-off, which cleans it up a little, but it’s just too small and inconsistent. The wave comment keeps sayin’ “marginal.” You could probably sit out there and get a few, but it’s not gonna light your fire.

Wednesday the 22nd and Thursday the 23rd, the swell direction swings back to SSW with period droppin’ from 24 seconds down to 20 seconds. The combined energy jumps up to 848 to 871, so there’s some grunt in the water, but the swell height is only 2ft to 3ft. The wind is cross or cross-off at 16 to 19 mph, and the wave comment is either “poor” or “marginal.” It’s still a struggle.

Now, there’s a glimmer of hope for the end of the first week and into the second. Friday the 24th through Sunday the 27th of July sees a slow build in swell from the SSW and then E, with heights creepin’ up to 5ft by Monday morning the 27th. The period stays long (16 to 20 seconds), and the energy really starts to pile up—986 on the 25th, all the way up to 1461 on the 27th morning and even 2094 on the 27th afternoon. That’s strong wave energy. The wind is cross-off from the ENE at 12 to 19 mph, so it’s clean. The wave comment for the 26th and 27th finally says “marginal” with a score of 2 to 3. This is where it gets interesting, but it’s still not a standout.

The real standout in this whole window hits on Tuesday the 28th of July. We’ve got a solid 7ft swell from the east, period at 15 seconds in the morning and 14 seconds in the afternoon. The combined energy is through the roof—1893 in the morning and 1787 in the afternoon—that’s strong to very strong wave energy. The wind is light, 6 to 9 mph from the east, with a light cross-shore in the morning and clean cross-off in the afternoon. The wave comment says “marginal,” but with that kind of size, energy, and light wind, this is the best on offer. Keep in mind, at 7ft, this is getting into expert territory, especially for a reef break. That long-period groundswell (15 seconds) will wrap around the point, giving you some real nice shape, but it might break a bit straight on the inside if you’re not careful. Crowds are “sometimes,” so you might have a few others out, but it won’t be a madhouse.

After that high point, things drop off fast. Wednesday the 29th sees the swell collapse back to 2ft with weak energy, and the last few days of July and into August 1st are back to marginal or poor conditions with small S or SW swell and cross winds. Not much to write home about.

So to sum it up: The first week is a write-off. You’re better off waitin’ for that solid east swell on Tuesday the 28th. That’s the one to circle on your calendar. The rest is just maybe a sneaky wave on a longboard if you’re desperate, but nothing that’ll get the heart pumpin’.

Rusty

Short Range Forecast

Mostly dry. Warm (max 27°C on Sat afternoon, min 24°C on Sat night). Winds decreasing (fresh winds from the ENE on Sat afternoon, light winds from the ENE by Mon morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Mon night). Winds increasing (light winds from the ENE on Mon night, fresh winds from the ENE by Thu afternoon).

Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
1
0
1
2
0
0
1
0
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
14
1.5
E
7
1.4
E
8
1.4
E
8
1.3
E
8
1.2
E
8
1.2
E
8
0.6
S
16
0.9
S
16
0.9
S
15
0.9
S
14
0.9
S
14
1
S
13
0.6
SSW
24
0.6
SSW
23
0.7
SSW
22
0.9
SSW
20
0.7
SSW
20
1
SSW
18
Wave Graph
Metric surfscale
Energy kJ
192
214
227
257
219
187
182
193
407
343
329
311
342
437
426
480
561
395
616
Wind (km/h)
20
ENE
35
ENE
35
ENE
25
ENE
25
ENE
30
ENE
15
ENE
25
E
25
ENE
15
ENE
20
E
25
ENE
20
ENE
30
E
30
ENE
25
ENE
35
ENE
35
ENE
30
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:09AM0.42m
6:44PM0.60m
8:16AM0.46m
7:10PM0.51m
9:31AM0.50m
7:31PM0.43m
10:46AM0.54m
7:33PM0.36m
11:52AM0.59m
12:45PM0.63m
10:43PM0.26m
Low Tide
1:14AM0.10m
12:16PM0.22m
1:44AM0.11m
1:23PM0.30m
2:15AM0.11m
3:02PM0.36m
2:48AM0.12m
6:02PM0.36m
3:27AM0.12m
4:16AM0.12m
9:32PM0.26m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
6:00
6:01
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
7:15
7:15
7:15
 mm
Temp °C
26
26
27
25
26
27
25
26
27
25
26
27
25
26
27
25
26
27
25
Feels °C
25
22
23
23
24
25
23
24
25
23
25
25
24
24
24
23
23
23
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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