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Surf Forecasts:

Anaehoomalu Bay_A-Bay surf break

Anaehoomalu Bay_A-Bay 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
Anaehoomalu Bay_A-Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Anaehoomalu Bay_A-Bay sea temperature is
25.1° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Anaehoomalu Bay_A-Bay this week:

The surf forecast for Anaehoomalu Bay_A-Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Mar 19) at 2AM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.3m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Anaehoomalu Bay_A-Bay in the next 16 days are 0.8m 12s and forecast to arrive on Wednesday (Mar 18) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 9s period and expected on Tuesday (Mar 24) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 19th Mar)2.5ft (0.8m) 12s
Best Surf 2AM (Thu 19th Mar)2.5ft (0.8m) 12s
Most Powerful 5PM (Wed 18th Mar)2.5ft (0.8m) 12s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 13mm), heaviest on Wed afternoon. 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 24mm), heaviest during Sat night. Warm (max 26°C on Sat afternoon, min 22°C on Mon 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
1
0
1
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
N
0.8
N
0.8
N
0.8
N
0.8
N
0.8
N
0.7
N
0.3
SW
0.5
W
0.5
WNW
0.4
WNW
0.4
WNW
0.4
NW
0.4
NW
0.4
WNW
0.3
WNW
0.3
SW
0.2
WNW
0.1
NW
0.1
NW
0.1
NW
Period(s) (?)121211111110101912121211141413131412121113
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1991841631551461311005772815441535168343314557
Wind
(km/h)
10
WSW
5
WNW
5
WNW
0
WSW
5
SSE
5
W
10
SW
10
SSW
10
SW
25
SW
15
SE
10
SW
5
WSW
5
NE
15
NNE
20
NNE
20
NE
20
NE
10
NE
10
ENE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		glassonglasscross-
off		cross-
on		cross-
on		crosscross-
on		crosscross-
off		crossglasscross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross
High Tide
/ height (m)
3:53PM
0.65
3:51AM
0.67
4:31PM
0.71
4:21AM
0.60
5:12PM
0.75
4:52AM
0.52
5:57PM
0.77
5:23AM
0.44
6:49PM
0.76
5:54AM
0.37
7:52PM
0.74
6:29AM
0.30
9:12PM
0.71
8:15AM
0.25
Low Tide
/ height (m)
9:50PM
0.12
10:06AM
0.04
10:39PM
0.15
10:31AM
0.03
11:31PM
0.18
10:58AM
0.03
12:31AM
0.23
11:27AM
0.04
1:47AM
0.27
12:02PM
0.07
3:46AM
0.28
12:45PM
0.11
6:20AM 1:54PM
0.24 0.16
Wed
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise--6:28--6:26--6:26--6:26--6:24--6:24--6:22
Sunset6:32--6:34--6:34--6:34--6:35--6:35--6:35--
thunderstorm
thunderstorm
part cloud
light rain
rain showers
part cloud
thunderstorm
thunderstorm
cloud
thunderstorm
heavy rain
cloud
cloud
light rain
part cloud
thunderstorm
light rain
rain showers
light rain
rain showers
clear
Rain (mm)
22-24-21-215--1-21321-
Temp. °C252525252426252526262424242324242323232325
Feels °C (?)272827272729272827262425262624242323232325
  • 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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View detailed surf forecast for Anaehoomalu Bay_A-Bay at:
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Information about the Anaehoomalu Bay_A-Bay Surf forecast

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

Anaehoomalu Bay_A-Bay is 87 km (54 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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