H-Reef surfForecast / HAW – Maui / USA

information circle16 Day Weather and Surf, issued 7 pm Friday 17 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
H-Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's H-Reef sea temperature is
24.6° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for H-Reef this week:

The surf forecast for H-Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 20) at 11PM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.6m and 7s. Another secondary swell of 0.4m and 11s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at H-Reef in the next 16 days are 1.5m 14s and forecast to arrive on Wednesday (Apr 22) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Sunday (Apr 19) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 20th Apr)3.5ft (1.0m) 7s
Best Surf 2AM (Wed 22nd Apr)4.5ft (1.4m) 14s
Most Powerful 5AM (Wed 22nd Apr)5ft (1.5m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Sat afternoon, min 23°C on Fri night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Mon night, min 23°C on Mon night). Wind will be generally light.

Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Fri
24
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
2
4
3
3
2
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
E
1.2
E
1.4
E
1.2
E
1.1
E
0.4
NW
1.1
E
1
E
0.9
ESE
0.9
ESE
0.8
ESE
0.8
NNE
1.4
NNE
1.4
NNE
1.4
NNE
1.2
NNE
1.1
NNE
1
NNE
0.8
NNE
0.8
E
0.8
E
Period(s) (?)887771377778161413121211101088
Wave
Graph
(?)Metric surfscale
Energy kJ (?)173164215128104441271099191772918346795893852652061098278
Wind
(km/h)
15
E
20
E
20
E
15
E
15
ENE
15
ENE
20
E
15
E
15
E
5
ESE
5
NNW
5
NE
0
N
5
NE
10
E
15
E
15
ENE
15
ENE
15
E
20
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off
crosscrosscrosscrosscrosscross-
off
glassglassglasscross-
on
crosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
2:15AM
0.65
3:53PM
0.96
2:40AM
0.59
4:41PM
0.95
3:01AM
0.54
5:37PM
0.91
3:11AM
0.50
6:44PM
0.86
8:06PM
0.82
9:27PM
0.80
9:44AM
0.38
Low Tide
/ height (m)
9:21PM
0.35
8:39AM
-0.01
10:13PM
0.39
9:12AM
-0.01
11:15PM
0.44
9:47AM
0.02
12:42AM
0.47
10:26AM
0.07
11:12AM
0.15
12:21PM
0.24
6:03AM
0.34
2:23PM
0.31
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Fri
24
Sunrise-6:03--6:03--6:01--6:01--6:01--6:00--5:58-
Sunset--6:45--6:45--6:45--6:45--6:45--6:46--6:46
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C242425232525242424242424242424242424232424
Feels °C (?)252423222625252526262727272826262625242425
  • 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 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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