Graters surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 am Thursday 03 Jul 2025 HST
Forecast update in hr  min  s Forecast update imminent
Graters surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Graters sea temperature is
26.0° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Graters this week:

The most powerful waves expected at Graters in the next 12 days are 0.3m 18s and forecast to arrive on Saturday (Jul 05) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Sunday (Jul 06) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Sat 5th Jul)1ft (0.3m) 18s

Table - best surf conditions forecast for Graters over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
NNW
0.4
N
0.4
N
0.3
N
0.3
SW
0.3
N
0.2
NNE
0.3
SW
2.3
ENE
2.3
ENE
0.3
SW
2.1
ENE
0.1
SW
0.1
NW
0.1
SW
0.1
SW
0.1
SW
0.1
NW
0.1
SW
0.1
N
0.1
NW
0.2
NNW
0.2
NNW
0.3
NNW
0.4
NW
0.4
NW
0.4
NW
0.3
NW
0.4
NW
0.4
NW
0.3
NW
0.4
NW
0.3
NW
0.2
NNW
0.2
NNW
0.3
NW
Period(s) (?)877714771878168211014141481710913121110109910910101091110
Wave
Graph
(?)Metric surfscale
Energy (?)2817168378114800400184811114113320172731242725242227281581216
Wind
(km/h)
25
E
30
E
30
E
30
E
30
E
30
E
30
E
30
E
35
E
35
E
35
E
35
E
35
E
30
E
35
ENE
35
ENE
30
ENE
30
E
25
ENE
25
E
25
E
30
E
30
ENE
25
E
30
E
30
E
30
E
30
ENE
25
ENE
30
E
30
ENE
30
ENE
25
ENE
25
E
30
E
30
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
12:00PM
0.52
12:31PM
0.59
1:00PM
0.65
1:30PM
0.70
2:02PM
0.74
2:34PM
0.77
11:36PM
0.33
3:05PM
0.79
12:39AM
0.34
3:37PM
0.80
1:29AM
0.34
4:06PM
0.80
2:20AM
0.35
4:35PM
0.79
3:16AM
0.36
5:01PM
0.76
4:21AM
0.37
5:25PM
0.71
Low Tide
/ height (m)
3:43AM
0.17
4:19AM
0.14
4:58AM
0.11
5:38AM
0.08
6:19AM
0.05
10:48PM
0.33
6:57AM
0.03
10:49PM
0.33
7:34AM
0.01
11:06PM
0.32
8:10AM
0.01
11:27PM
0.31
8:45AM
0.04
11:49PM
0.30
9:20AM
0.09
12:12AM
0.27
9:57AM
0.16
12:38AM
0.24
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Sunrise5:52--5:52--5:54--5:54--5:54--5:54--5:54--5:54--5:56--5:56--5:56--5:56--
Sunset-7:17--7:17--7:17--7:17--7:17--7:17--7:17--7:17--7:17--7:17--7:17--7:17-
clearclearrain showerspart cloudpart cloudrain showersrain showerspart cloudrain showersrain showersclearrain showersclearclearclearpart cloudclearpart cloudclearpart cloudclearpart cloudpart cloudpart cloudpart cloudclearrain showersrain showersclearclearclearclearpart cloudthunderstorm clearclear
Rain (mm)
--1--21-21-1--------------21-----1--
Temp. °C252625242524252524252525252524252525252524252524252525252524252525262625
Feels °C (?)242524222221222321222222222221222122232322232321232323222321232323252523

Short Range Forecast: Light rain (total 6mm), mostly falling on Thu night. Warm (max 26°C on Thu afternoon, min 24°C on Thu night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun morning. Warm (max 25°C on Sun morning, min 24°C on Sun morning). Mainly fresh winds.

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Fri night. Warm (max 25°C on Wed morning, min 24°C on Wed morning). Mainly fresh winds.

Long Range Forecast: Light rain (total 2mm), mostly falling on Sat morning. Warm (max 26°C on Mon morning, min 24°C on Sat morning). Mainly fresh winds.

  • 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 Graters Surf forecast

The above surf forecast table for Graters provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Graters can be found by selecting the local surf guide option on the grey menu. Our Graters 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 (Graters) 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 Graters 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.

Graters is 23 km (14 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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