Surf Forecasts:
How big are the waves at Thunders today (30 Jul):
- Afternoon surf: Afternoon surf (30 Jul, local time) - 4ft (1.2m), 18s period with SSW swell.
- Evening surf: Evening surf (30 Jul, local time) - 4.5ft (1.3m), 18s period with SSW swell.
The current surf forecast for Thunders at 10PM is: 1.4m 18s primary swell from a South-southwest direction and 0.8m 13s secondary swell from a South-southwest direction, 1.0m 7s secondary swell from a South-southeast direction (forecast issued at 06:00pm July 30). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | - | - |
| Afternoon (30 Jul) | 4ft (1.2m) | 18s |
| Evening (30 Jul) | 4.5ft (1.3m) | 18s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Fri night. Warm (max 28°C on Thu afternoon, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||
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) | SW 18 | SSW 18 | SSW 18 | SSW 18 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 735 | 835 | 1172 | 1471 | 1021 | 874 | 702 | 1199 | 1184 | 853 | 853 | 1057 | 1151 | 1467 | 1383 | 1274 | 1170 | 1170 | 1170 |
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 |
High Tide | 7:05PM0.63m | 7:03AM0.97m | 7:37PM0.69m | 7:32AM0.96m | 8:08PM0.74m | ||||||||||||||
Low Tide | 00:28AM0.16m | 1:38PM0.07m | 1:06AM0.16m | 2:02PM0.06m | |||||||||||||||
 |  |  | | |  | | | |  |  | | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | 1 | 1 | 1 | 1 | — | 1 | 3 | 3 | 7 | 5 | 3 | 1 | 1 | 2 |
Temp °C | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 28 | 29 | 29 | 29 | 27 | 30 | 30 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SSW 18 | SSW 18 | SSW 18 | 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 |
| kJ | 735 | 835 | 1172 | 1471 | 1021 | 874 | 702 | 1199 | 1184 | 853 | 853 | 1057 | 1151 | 1467 | 1383 | 1274 | 1170 | 1170 | 1170 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SW 13 | 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 |
| kJ | 219 | 273 | 192 | 140 | 347 | 336 | 312 | 20 | 194 | 172 | 113 | 127 | 129 | 19 | 18 | 18 | 18 | 20 | 23 |
Swell 3 Height (m) Direction Period (s) | S 15 | S 15 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | SW 22 | SW 22 | WNW 10 | SSW 20 | SSW 20 | WNW 10 | WNW 10 | — | — | — | W 16 | W 16 | W 16 |
| kJ | 163 | 110 | 22 | 22 | 22 | 21 | 118 | 73 | 20 | 336 | 336 | 19 | 19 | — | — | — | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | 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 |
| kJ | 104 | 104 | 114 | 68 | 85 | 88 | 81 | 86 | 93 | 105 | 120 | 120 | 144 | 140 | 144 | 148 | 188 | 193 | 188 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 538 | 168 | 168 | 32 | 32 | 3 | 9 | 62 | 62 | 233 | 168 | 168 | 32 | 31 | 32 | 62 | 62 | 62 | 135 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
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