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Surf Forecasts:
Boa surfForecast / Timor / Indonesia
48hr Weather and Surf, issued 1 pm Sunday 17 May 2026 WITAForecast update in hr min s Forecast update imminent
Boa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boa sea temperature is
28.7° C
(Which is normal for this time of year)How big are the waves at Boa today?
The current surf forecast for Boa at 6PM is: 0.8m 12s primary swell from a Southwest direction (forecast issued at 01:00pm May 17). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (WITA) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.0m) | 13s |
| Afternoon (17 May) | 2.5ft (0.8m) | 12s |
| Evening (17 May) | 2.5ft (0.8m) | 12s |
Table - waves today at Boa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 43mm), heaviest during Tue morning. Warm (max 28°C on Sun afternoon, min 27°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | E 5 | E 6 | SW 21 | SW 13 | SW 13 | SW 20 | SW 19 | SW 19 | SW 13 | SW 19 | SW 18 | SW 18 | SW 18 | |
273 | 217 | 214 | 210 | 148 | 153 | 195 | 198 | 200 | 127 | 121 | 129 | 151 | 72 | 62 | 62 | 97 | 184 | 184 | 133 | 95 | 155 | 375 | 375 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 11:21PM2.68m | 11:02AM3.50m | 00:02AM2.65m | 11:44AM3.48m | 00:45AM2.57m | |||||||||||||||||||
Low Tide | 5:05PM-0.14m | 4:52AM0.72m | 5:47PM-0.19m | 5:32AM0.72m | 6:30PM-0.12m | 6:14AM0.77m | ||||||||||||||||||
 |  | |  | | | |  | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — |
 | — | — | 5:32 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | 5:31 |
— | 2 | 1 | 3 | 2 | 1 | 2 | — | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 5 | 4 | 4 | 2 | 1 | 1 | 1 | — | 1 | |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
29 | 31 | 31 | 29 | 29 | 29 | 28 | 30 | 29 | 28 | 28 | 28 | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 19 | SW 8 | ESE 6 | ESE 6 | SE 6 | ESE 6 | ESE 7 |
 kJ | 273 | 217 | 214 | 210 | 148 | 153 | 195 | 198 | 200 | 127 | 121 | 91 | 31 | 50 | 45 | 44 | 43 | 184 | 21 | 104 | 66 | 45 | 80 | 68 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SW 18 | SW 18 | SW 24 | SW 24 | SW 10 | SW 10 | SW 10 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 8 | SW 19 | SW 13 | SW 12 | SW 12 | SW 18 | SW 18 |
| kJ | — | — | — | — | — | 12 | 12 | 22 | 22 | 35 | 34 | 33 | 63 | 63 | 62 | 62 | 61 | 23 | 184 | 101 | 92 | 110 | 375 | 375 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 9 | W 9 | W 9 | W 9 | SW 24 | SW 24 | SW 22 | SW 21 | SW 21 | WSW 21 | SW 21 | SW 20 | SW 13 | SW 13 | SW 19 | SW 19 | SW 18 | SW 10 | SW 10 |
| kJ | — | — | — | — | — | 2 | 2 | 2 | 2 | 22 | 22 | 18 | 72 | 72 | 45 | 18 | 97 | 61 | 60 | 133 | 95 | 155 | 82 | 61 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 4 | E 4 | E 5 | E 5 | E 6 | E 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | — | — | — | — | — |
| kJ | 87 | 67 | 67 | 67 | 65 | 63 | 79 | 61 | 20 | 28 | 64 | 129 | 151 | 176 | 165 | 163 | 145 | 141 | 111 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 125 | 179 | 125 | 125 | 125 | 27 | 125 | 336 | 336 | 336 | 336 | 336 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Best forecast wave conditions in Timor | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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