Disappearing Sands surfForecast / HAW – Big Island / USA

information circle16 Day Weather and Surf, issued 1 pm Wednesday 18 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
Disappearing Sands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Disappearing Sands sea temperature is
25.2° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Disappearing Sands this week:

The surf forecast for Disappearing Sands over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Mar 18) at 11PM. The primary swell is predicted to be 0.5m and 11s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Disappearing Sands in the next 16 days are 0.9m 14s and forecast to arrive on Sunday (Mar 22) at 5PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Friday (Mar 20) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Wed 18th Mar)1.5ft (0.5m) 11s
Best Surf 5PM (Sun 22nd Mar)3ft (0.9m) 14s
Most Powerful 5PM (Sun 22nd Mar)3ft (0.9m) 14s

Table - best surf conditions forecast for Disappearing Sands over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 11mm), heaviest on Thu night. Warm (max 26°C on Fri morning, min 24°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 29mm), heaviest during Sat night. Warm (max 25°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light.

Wed
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
2
1
0
1
0
0
1
0
0
1
2
3
1
2
2
1
1
2
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
NNW
0.7
WNW
0.6
NW
0.4
NW
0.4
SW
0.4
WNW
0.5
W
0.5
SW
0.5
SSW
0.5
SW
0.6
WNW
0.5
NW
0.9
WNW
0.8
WNW
0.7
WNW
0.6
WNW
0.4
SSW
1
N
1.2
N
1
N
1
NNE
Period(s) (?)121211102014131918181216141413131478810
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11312377389762901731841521091193252531541146694200147222
Wind
(km/h)
15
SSW
5
WNW
5
NW
10
S
10
SSE
10
SSW
20
S
10
S
20
SSW
25
S
25
SE
15
SSE
5
WNW
5
N
5
W
0
SSW
10
NNE
5
N
5
ESE
10
S
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glassglasscrosscross-
off
cross-
on
crosscrosscrosscrosscross-
off
cross-
off
glasscrossglassglasscross-
off
glassglasscrosson
High Tide
/ height (m)
3:56PM
0.65
3:54AM
0.67
4:34PM
0.72
4:25AM
0.60
5:14PM
0.76
4:56AM
0.52
5:59PM
0.77
5:28AM
0.45
6:51PM
0.77
6:01AM
0.37
7:54PM
0.74
6:39AM
0.30
9:13PM
0.72
8:27AM
0.25
Low Tide
/ height (m)
9:53PM
0.12
10:09AM
0.04
10:42PM
0.14
10:34AM
0.03
11:34PM
0.18
11:01AM
0.03
12:33AM
0.22
11:31AM
0.04
1:49AM
0.26
12:05PM
0.07
3:43AM
0.28
12:49PM
0.11
6:10AM 1:58PM
0.24 0.16
Wed
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise--6:28--6:28--6:26--6:26--6:24--6:24--6:22
Sunset6:34--6:34--6:34--6:35--6:35--6:35--6:35--
thunderstorm
part cloud
part cloud
rain showers
thunderstorm
part cloud
part cloud
part cloud
cloud
thunderstorm
heavy rain
cloud
cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
Rain (mm)
3--17----218----34231-
Temp. °C252425252426262526252323232325242424232424
Feels °C (?)262628272627262726242424242528272827252625
  • 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 Disappearing Sands Surf forecast

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

Disappearing Sands is 94 km (58 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.

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