Surf Forecast Surf Report

Coast Guard surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 7 am Thursday 03 Apr 2025 HST
Forecast update in hr  min  s Forecast update imminent
Coast Guard surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coast Guard sea temperature is
25.4° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Coast Guard this week:

The surf forecast for Coast Guard over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 05) at 2PM. The primary swell is predicted to be 1.2m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Coast Guard in the next 12 days are 1.9m 18s and forecast to arrive on Saturday (Apr 05) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Monday (Apr 07) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Sat 5th Apr)4ft (1.2m) 16s
Best Surf11PM (Sat 5th Apr)6ft (1.9m) 18s
Most Powerful11PM (Sat 5th Apr)6ft (1.9m) 18s

Table - best surf conditions forecast for Coast Guard 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
Swell
Height Map
Wave Height (m) & direction (?)
0.4
WNW
0.4
WNW
0.4
WNW
0.3
NNW
0.5
NNW
0.7
NNW
0.9
NNW
1.5
N
2
N
2
N
1.9
N
1.9
N
1.6
N
1.5
N
1.3
N
1.2
N
1
N
0.9
N
0.9
N
0.8
N
0.6
N
0.4
NNW
2.2
ENE
1.4
NE
1.8
NE
2.5
ENE
2.1
NE
2.2
ENE
2.5
ENE
1.7
ENE
1.7
ENE
1.7
ENE
1.7
ENE
1.5
ENE
1.7
ENE
1.6
ENE
Period(s) (?)10991115131617171716161514131313131212111167679989888888
Wave
Graph
(?)Metric surfscale
Energy (?)3128252312118141113892385221018811809116294460952135526324318791404141940638673767816444409422389299402310
Wind
(km/h)
15
ENE
20
ENE
20
E
30
ENE
30
ENE
35
E
35
ENE
35
ENE
35
E
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
35
ENE
25
E
30
ENE
30
ENE
35
E
35
ENE
40
ENE
40
ENE
35
ENE
40
ENE
40
E
35
ENE
40
ENE
20
ESE
10
SE
5
E
5
SW
15
W
15
SW
20
SW
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
offcross-
off
glasscross-
on
crosscross
High Tide
/ height (m)
8:33PM
0.77
10:08PM
0.75
10:46AM
0.29
11:20PM
0.75
12:12PM
0.37
12:10AM
0.75
12:51PM
0.45
12:47AM
0.75
1:23PM
0.53
1:17AM
0.73
1:53PM
0.61
1:42AM
0.70
2:21PM
0.68
2:05AM
0.66
2:49PM
0.74
2:27AM
0.62
3:18PM
0.78
2:48AM
0.57
3:47PM
0.81
3:07AM
0.52
4:19PM
0.81
3:23AM
0.48
Low Tide
/ height (m)
11:38AM
0.13
12:32PM
0.20
7:22AM
0.27
2:42PM
0.26
7:13AM
0.24
4:45PM
0.27
7:23AM
0.22
5:59PM
0.25
7:37AM
0.19
6:51PM
0.24
7:50AM
0.17
7:35PM
0.24
8:05AM
0.15
8:16PM
0.24
8:19AM
0.12
8:54PM
0.25
8:36AM
0.11
9:33PM
0.26
8:53AM
0.10
10:12PM
0.29
9:12AM
0.09
10:53PM
0.32
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Sunrise6:15--6:13--6:13--6:11--6:11--6:11--6:09--6:09--6:07--6:07--6:07--6:05--
Sunset-6:37--6:37--6:38--6:38--6:38--6:38--6:39--6:39--6:39--6:40--6:40--6:40-
clearclearclearpart cloudpart cloudpart cloudpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudcloudpart cloudclearclearclearclearclearclearclearclearclearrain showers
Rain (mm)
-----------------------------------4
Temp. °C252524242524242423242423242423232323242423242423232423242423242424242525
Feels °C (?)262523222221202120201920202019202019212020201918182019202019242626262525

Short Range Forecast: Mostly dry. Warm (max 25°C on Thu morning, min 23°C on Fri night). Winds increasing (light winds from the ENE on Thu morning, fresh winds from the ENE by Sat night).

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Sun morning, min 22°C on Mon night). Mainly strong winds.

Days 6-9 Weather Summary Mostly dry. Warm (max 24°C on Wed morning, min 23°C on Wed morning). Mainly strong winds.

Long Range Forecast: Light rain (total 5mm), mostly falling on Mon night. Warm (max 25°C on Mon afternoon, min 23°C on Sat morning). Winds decreasing (fresh winds from the E on Sat morning, calm by Sun night).

  • 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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Information about the Coast Guard Surf forecast

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

Coast Guard is 84 km (52 miles) from Kihei. If you plan a vacation in Big Island, look for hotels and other accommodation in Kihei. Kihei has rooms for a wide range of budgets as well as car hire and transport links.

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