Hanalei Bay Surf Break

Lat Long: 22.22° N 159.50° W

Hanalei Bay Surf Forecast and Surf Report

Issued: 1 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Hanalei Bay sea temperature is
26.4° C
0.1° 

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


Hanalei Bay surf forecast from 18 Jul 2026:

  • Best quality surf: Monday 20 Jul, 2AM (local time) - 3.5ft (1.1m), 8s period, E swell with cross-offshore winds.
  • Most powerful swell: Friday 24 Jul, 8PM (local time) - 5ft (1.6m), 7s period, ENE swell with 269 kJ wave energy.
  • Next surfable swell (1★+): Monday 20 Jul, 2AM (local time) - 3.5ft (1.1m), 8s period with E swell.

Best Forecast Surf Conditions for Hanalei Bay this week:

The surf forecast for Hanalei Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 20) at 2AM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.7m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Hanalei Bay in the next 16 days are 1.6m 7s and forecast to arrive on Friday (Jul 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 0.8m 6s period and expected on Saturday (Jul 18) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 20th Jul)3.5ft (1.1m) 8s
Best Surf 2AM (Mon 20th Jul)3.5ft (1.1m) 8s
Most Powerful 8PM (Fri 24th Jul)5ft (1.6m) 7s

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


The Lowdown

Hey, Rusty here. Alright, let's be straight – the next week or so is pretty flat for Hanalei Bay. A lot of small, weak swell with short periods, cleaned up by cross-off winds but not really doing much. Water temp is about 80°F, which is normal for this time of year.

From now through about the 26th, there's barely anything worth paddling out for. Swell heights under 5 feet, periods around 7-8 seconds, combined energy mostly weak to moderate (200-600). There's a little bump on Sunday the 19th morning – 5ft from ENE, 8 seconds, energy 524 – but still marginal. You'll be waiting a long time between waves.

Then things start to change. On Sunday the 26th, a long-period groundswell shows up – 17 seconds from the east, about 4ft, energy jumps to 1185 (strong). But it's still labelled marginal, and the wind goes cross-shore in the afternoon, so not ideal.

Here's the real standout – Monday the 27th morning. Hanalei Bay (reef and point, for advanced surfers, consistent) gets a clean 5ft east swell, 16-second period – that's a proper groundswell. Combined energy is 1645 (strong) and the wind is east at 9 mph, cross-offshore, so the surface will be glassy. Swell direction is east, not the perfect north, but at a point break like Hanalei, that long period will wrap around nicely. Crowds are often, so expect company. The size is solid for experienced surfers, not too big. This is the session to target.

Tuesday the 28th morning also looks strong – 7ft east swell, 15 seconds, energy 1965 (very strong), but the wind is cross-shore, so there'll be a bit of chop. Still good for experts, but not as clean as Monday. Wednesday the 29th drops to 6ft with 13 seconds and cross-off wind, clean but less energy.

Later in the forecast, the 30th and 31st see the swell easing but still rideable, with periods around 11-12 seconds. Less certainty on those days, but worth keeping an eye on.

Bottom line: the first week is a dud. The real action starts Monday 27th July. If you can only get one session, make it that morning.

Rusty

Short Range Forecast

Mostly dry. Warm (max 27°C on Fri afternoon, min 22°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 6mm), mostly falling on Tue night. Warm (max 26°C on Mon afternoon, min 23°C on Mon night). Wind will be generally light.

Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
1
1
2
0
2
0
0
2
0
0
1
1
1
1
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)
0.6
W
14
1.3
ENE
7
1.4
ENE
7
1.5
E
7
1.5
E
8
1.4
ENE
8
1.1
E
8
1.1
E
8
0.9
E
8
0.9
E
8
1.1
E
7
0.7
E
7
1
ENE
7
1.1
ENE
7
1.4
ENE
7
1.1
E
7
1.1
ENE
6
0.6
E
12
0.7
E
12
1.4
ENE
7
Wave Graph
Metric surfscale
Energy kJ
138
153
168
239
266
257
156
156
102
94
131
51
93
117
163
110
98
108
141
180
Wind (km/h)
20
E
15
ESE
20
E
20
E
15
E
15
E
20
ENE
15
E
15
E
15
ENE
15
ESE
15
ENE
15
E
15
ESE
20
E
15
E
15
ESE
20
E
20
E
15
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:18PM0.66m
6:00AM0.35m
5:49PM0.56m
7:14AM0.39m
6:15PM0.47m
8:38AM0.45m
6:33PM0.39m
10:01AM0.51m
11:09AM0.56m
12:01PM0.61m
Low Tide
11:52PM0.07m
10:36AM0.13m
00:24AM0.06m
11:45AM0.22m
00:57AM0.06m
1:45PM0.28m
1:33AM0.05m
2:16AM0.05m
3:06AM0.04m
3:59AM0.03m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
rain showers
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:05
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:23
7:23
7:22
7:22
7:22
7:22
7:22
 mm
3
2
1
Temp °C
27
24
26
27
24
26
26
24
26
26
24
26
26
24
25
25
24
26
26
24
Feels °C
27
25
26
27
25
26
25
24
26
26
25
26
25
25
25
25
25
26
25
25
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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 Hanalei Bay Surf forecast

The above surf forecast table for Hanalei Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hanalei Bay can be found by selecting the local surf guide option on the grey menu. Our Hanalei Bay 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 (Hanalei Bay) 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 Hanalei Bay 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 Kaua'i? If you are looking for accommodation near Hanalei Bay, camping, hotels and condos and appartments in Kaua'i, consider staying in Lihue - Kauai which is 31 km (19 miles) away. Alternatively, find information about places to stay and car hire in Nawiliwili which is 31 km (19 miles) away

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