Surf Forecast Surf Report
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Avalanche surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 21 Dec 2024 HST
Forecast update in hr  min  s Forecast update imminent
Avalanche surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avalanche sea temperature is
25.7° C
(Which is slightly warmer than usual)


How big are the waves at Avalanche today?

The current surf forecast for Avalanche at 6PM is: 3.0m 15s primary swell from a North-northwest direction (forecast issued at 01:00pm December 21). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 5.

Time (HST) & DateWave HeightWave Period
Morning (21 Dec)13ft (4.0m)16s
Afternoon (21 Dec)11ft (3.5m)15s
Evening (21 Dec)10ft (3.0m)14s

Table - waves today at Avalanche. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
4
NNW
3.5
NNW
3
NNW
3
NNW
2.5
NNW
2.5
NW
4
NNW
5.5
NNW
6
NNW
5.5
NNW
5
NNW
4.5
NNW
4
NNW
3.5
NW
3.5
NW
3
NNW
3
NNW
3
NNW
2.5
NNW
2.5
NNW
2.5
NNW
2.4
NNW
2.2
NNW
2.1
NNW
2
NNW
1.8
NNW
1.6
NW
1.6
NNW
1.4
NW
1.3
NW
1.3
NW
1.1
NW
1.1
NW
1.1
NW
1.6
NW
1.9
NW
2.3
NW
2.5
NW
3
NW
3.5
NW
3.5
NW
3.5
NW
3.5
NW
3.5
NW
3.5
NW
3.5
NW
3
NW
3
NW
3
NW
2.5
NW
2.5
NW
2.5
NW
2.4
NW
2.3
NW
2.3
NW
2.2
NW
2.2
NW
2.1
NW
1.9
NW
1.8
NW
Period(s) (?)161515141414232119181716161615141414141413131313121212121212121212121818181818181818181717171716161616151514141413131313
Wave
Graph
(?)Metric surfscale
Energy (?)682956924372330227272554162982753224467176751383210257813067764918397835823212274724052334189116571362124198473074658046346336130931914652217307442086074709880307853781274216839620954854435401635793132277724162082205318491693141712101109
Wind
(km/h)
5
N
10
N
5
NE
5
NE
5
N
5
NNW
5
NNW
10
NNE
10
NE
15
NNE
15
NE
15
NE
20
ENE
20
ENE
25
ENE
20
E
25
ENE
25
ENE
25
ENE
25
E
25
E
25
E
25
E
20
ESE
15
E
20
ENE
20
E
20
E
15
ESE
15
E
20
E
20
ESE
20
ESE
15
ESE
20
E
20
E
10
SE
10
SE
5
ENE
10
ENE
10
ENE
15
ENE
15
E
15
ESE
15
SE
10
SSE
5
SE
5
SE
5
NW
5
NNW
5
N
5
NE
15
ENE
15
E
15
E
15
E
15
ENE
20
ENE
25
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
off
glassglassglasscross-
on
crosscross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffoffcross-
off
offoffoffoffcross-
off
offoffoffoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
glassglasscross-
on
glasscross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
9:49PM
0.23
8:04AM
0.36
10:51PM
0.30
8:47AM
0.30
11:34PM
0.36
9:35AM
0.25
12:10AM
0.42
10:29AM
0.21
12:42AM
0.47
11:25AM
0.18
1:14AM
0.52
12:17PM
0.16
1:47AM
0.55
1:05PM
0.14
Low Tide
/ height (m)
2:02PM
0.03
12:35AM
0.20
2:33PM
0.03
2:41AM
0.22
3:01PM
0.02
4:38AM
0.21
3:27PM
0.01
6:02AM
0.18
3:55PM
0.00
6:57AM
0.14
4:25PM
-0.02
7:38AM
0.11
4:59PM
-0.03
8:13AM
0.08
5:35PM
-0.05
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunrise-------7:05-------7:07-------7:07-------7:07-------7:07-------7:09-------7:09----
Sunset--5:54-------5:55-------5:55-------5:57-------5:57-------5:58-------5:58-------5:59-
part cloudpart cloudpart cloudpart cloudclearclearpart cloudpart cloudpart cloudcloudclearclearclearclearpart cloudclearclearclearclearpart cloudpart cloudcloudcloudpart cloudclearclearclearpart cloudpart cloudcloudcloudclearpart cloudclearclearclearpart cloudpart cloudpart cloudclearpart cloudpart cloudpart cloudclearpart cloudclearclearclearpart cloudpart cloudcloudpart cloudcloudrain showersclearclearclearclearclearpart cloud
Rain (mm)
-----------------------------------------------------1------
Temp. °C252625242424242425252523232223232525242423242424252525232323232425262523232323232525252423242323252524242424232325252423
Feels °C (?)272827272626262526252523222122222323222322232323252424222323222324252422242424242625252423252425262625252424232424232221
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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