Surf Forecasts:
How big are the waves at Thunders today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 4ft (1.2m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 5ft (1.5m), 16s period with SSW swell.
- Evening surf: Evening surf (31 Jul, local time) - 4.5ft (1.3m), 16s period with SSW swell.
The current surf forecast for Thunders at 12PM is: 1.4m 16s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a West-northwest direction, 0.9m 7s secondary swell from a South-southeast direction (forecast issued at 06:00am July 31). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 4ft (1.2m) | 17s |
| Afternoon (31 Jul) | 5ft (1.5m) | 16s |
| Evening (31 Jul) | 4.5ft (1.3m) | 16s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Sun night. Warm (max 29°C on Sun morning, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||||
4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 18 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1021 | 874 | 702 | 1338 | 1184 | 853 | 853 | 1057 | 1151 | 1467 | 1383 | 1274 | 1170 | 1170 | 1170 | 1018 | 1018 | 811 | 983 | 1111 | 1343 | 1358 | 1358 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:03AM0.97m | 7:37PM0.69m | 7:32AM0.96m | 8:08PM0.74m | 8:01AM0.93m | 8:40PM0.79m | |||||||||||||||||
Low Tide | 1:38PM0.07m | 1:06AM0.16m | 2:02PM0.06m | 1:44AM0.17m | 2:27PM0.06m | ||||||||||||||||||
 |  |  | | |  | | |  | | | |  | | | | | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | 1 | 1 | 1 | — | — | — | 1 | 3 | 3 | 3 | — | — | — | — | — | — | 1 | — | 1 | 2 | 3 |
Temp °C | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 29 | 29 | 28 | 27 | 27 |
Feels °C | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 27 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 28 | 30 | 32 | 31 | 31 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 1021 | 874 | 702 | 1338 | 1184 | 853 | 853 | 1057 | 1151 | 1467 | 1383 | 1274 | 1170 | 1170 | 1170 | 1018 | 1018 | 811 | 983 | 1111 | 1343 | 1358 | 1358 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | WNW 10 | SW 20 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | SSW 19 | SSW 19 | SSW 19 | SW 15 | SW 14 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 347 | 336 | 312 | 20 | 194 | 172 | 113 | 127 | 129 | 19 | 18 | 18 | 19 | 20 | 23 | 497 | 502 | 602 | 429 | 407 | 20 | 20 | 19 |
Swell 3 Height (m) Direction Period (s) | WNW 11 | WNW 10 | SW 22 | SW 22 | WNW 10 | SSW 20 | SSW 20 | WNW 10 | WNW 10 | — | — | — | W 16 | W 16 | W 16 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | W 15 | W 16 | W 16 |
| kJ | 22 | 21 | 118 | 73 | 20 | 336 | 336 | 19 | 19 | — | — | — | 5 | 5 | 5 | 23 | 22 | 22 | 22 | 20 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 |
| kJ | 101 | 81 | 81 | 81 | 93 | 88 | 113 | 117 | 140 | 140 | 147 | 151 | 148 | 181 | 193 | 188 | 153 | 157 | 161 | 138 | 138 | 125 | 99 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 32 | 32 | 32 | 62 | 168 | 476 | 168 | 168 | 168 | 168 | 62 | 62 | 62 | 135 | 168 | 127 | 31 | 3 | 3 | 32 | 62 | 3 | 32 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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