H-Reef Surf Break

Lat Long: 20.94° N 156.37° W

H-Reef Surf Forecast and Surf Report

Issued: 7 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's H-Reef sea temperature is
26.1° C
0.1° 

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


H-Reef surf forecast from 17 Jul 2026:

  • Most powerful swell: Thursday 23 Jul, 8AM (local time) - 4.5ft (1.4m), 12s period, ENE swell with 532 kJ wave energy.

Best Forecast Surf Conditions for H-Reef this week:

The most powerful waves expected at H-Reef in the next 16 days are 1.4m 12s and forecast to arrive on Thursday (Jul 23) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 13s period and expected on Saturday (Jul 18) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8AM (Thu 23rd Jul)4.5ft (1.4m) 12s

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


The Lowdown

Alright crew, Rusty here. Let's break down the next couple weeks for H-Reef. This is a reef that works best with a NNE swell, but we're in for a rough patch. Water temp is about 79°, average for the time of year.

From Friday the 17th through to the 25th, it's a total write-off. Moderate cross-shore winds and a nasty cross-chop are making a mess of things. Swell is short period, 3 to 6 feet, with weak energy in the hundreds. The reports all say poor surf conditions, and that's what it is. Don't bother.

Starting July 26th, we get a pulse of longer period swell from the east, 16-17 seconds, and the energy jumps into the low thousands. But the wind is still cross, so it's only "marginal." Sunday morning might have a few workable ones, but that chop isn't going anywhere.

The one to watch is Monday, July 27th. A big, long-period groundswell hits: 7-8 feet, 16 seconds, and massive energy readings in the thousands. That's some serious power. For a reef, that long period should wrap in and give some heavy, lined-up waves. But here's the catch: the wind is cross-onshore from the NE at 9 mph, described as "gentle cross-onshore and fairly choppy." So the quality is only "marginal." It's the biggest swell of the period, and it's probably the best chance for an expert out there, but it's not going to be clean.

After that, the swell fades. By the 31st we're back under 5 feet, and into August it's tiny, like 2-3 feet. The long period is still there at 14 seconds, but the energy is low and the wind is still a problem.

Honest truth? No real standouts. The best of a mediocre bunch is that Monday the 27th if you're an expert and can handle a bit of chop. For everyone else, it's a quiet time. Keep hoping for a change in the wind.

Rusty.

Short Range Forecast

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

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Mon morning, min 24°C on Mon night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
E
7
1.4
E
7
1.6
E
6
1.9
E
8
1.9
E
8
1.6
E
8
1.4
E
8
1.3
E
8
1.2
E
8
1.2
E
7
1.4
ENE
7
1.3
ENE
7
1.2
ENE
7
1
E
7
1.1
E
7
1
E
7
1.2
E
11
1.3
E
12
1.6
ENE
6
1.5
ENE
6
1.4
ENE
6
Wave Graph
Metric surfscale
Energy kJ
148
176
206
441
488
338
258
219
176
156
214
162
128
94
110
91
319
485
179
170
160
Wind (km/h)
25
E
30
E
30
E
25
E
25
E
25
E
20
E
20
ENE
20
E
20
ENE
20
ENE
15
ENE
20
ENE
20
ENE
20
E
25
E
25
E
25
E
25
E
25
E
25
E
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
5:08PM0.89m
5:17AM0.56m
5:32PM0.81m
6:25AM0.56m
5:50PM0.73m
7:52AM0.58m
5:59PM0.66m
9:49AM0.62m
5:38PM0.60m
11:30AM0.68m
12:23PM0.74m
Low Tide
10:06AM0.16m
11:54PM0.27m
10:46AM0.27m
00:26AM0.25m
11:28AM0.39m
00:59AM0.24m
12:20PM0.49m
1:37AM0.23m
2:16PM0.58m
2:24AM0.22m
3:23AM0.21m
4:27AM0.19m
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:08
7:07
7:07
7:07
7:07
7:07
 mm
1
Temp °C
27
27
26
26
26
25
26
26
25
26
25
25
25
25
25
26
26
25
26
26
25
Feels °C
27
27
27
25
25
25
25
25
24
26
25
25
26
25
25
26
25
24
25
25
24
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the H-Reef Surf forecast

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

Are you planning a vacation in Maui? If you are looking for accommodation near H-Reef, camping, hotels and condos and appartments in Maui, consider staying in Kahului which is 8 km (5 miles) away. Other places in and around Maui where you can find information about places to rent, and car hire include Wailuku which is 15 km (9 miles) away, Kihei, Lanai - Lanai and Kaunakakai - Molokai.

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