Surf Forecasts:
Keusik Luhur surf forecast from 18 Sep 2026:
- Best quality surf: Saturday 19 Sep, 1AM (local time) - 5ft (1.5m), 14s period, SSW swell with glassy winds.
- Most powerful swell: Tuesday 22 Sep, 10PM (local time) - 7.5ft (2.3m), 16s period, SSW swell with 2,719 kJ wave energy.
- Next surfable swell (1★+): Saturday 19 Sep, 1AM (local time) - 5ft (1.5m), 14s period with SSW swell.
Best Forecast Surf Conditions for Keusik Luhur this week:
The surf forecast for Keusik Luhur over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 19) at 1AM. The primary swell is predicted to be 1.5m and 14s period with a secondary swell of 0.7m and 18s. Another secondary swell of 0.6m and 5s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Keusik Luhur in the next 16 days are 2.3m 16s and forecast to arrive on Tuesday (Sep 22) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Sat 19th Sep) | 5ft (1.5m) 14s |
| Best Surf | 1AM (Sat 19th Sep) | 5ft (1.5m) 14s |
| Most Powerful | 10PM (Tue 22nd Sep) | 7.5ft (2.3m) 16s |
Table - best surf conditions forecast for Keusik Luhur over the next 16 days.
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 23°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Mon morning, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SSW 14 | SSW 13 | SSW 19 | SSW 18 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 626 | 711 | 838 | 956 | 2541 | 2610 | 2545 | 2352 | 1672 | 1285 | 1005 | 796 | 804 | 1409 | 2510 | 2061 | 1772 | 1351 | 979 | 863 | 982 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | glassy | cross-on | cross-on | cross-off | cross | cross-on | cross-off | cross | cross-on | cross | cross | cross-on | cross-off | cross-on | cross-on | cross-off | cross-on | cross-on | cross-off |
High Tide | 11:44AM1.00m | 11:51PM1.41m | 12:14PM0.88m | 00:26AM1.29m | 1:04PM0.76m | 1:24AM1.17m | 3:58AM1.12m | 7:23PM0.95m | 5:47AM1.19m | 7:20PM1.09m | 6:39AM1.30m | 7:33PM1.24m | |||||||||
Low Tide | 6:03AM0.38m | 5:05PM0.49m | 6:47AM0.51m | 5:17PM0.58m | 8:03AM0.62m | 5:06PM0.69m | 11:09AM0.63m | 12:22PM0.54m | 11:37PM0.84m | 12:52PM0.46m | 00:37AM0.71m | 1:15PM0.39m | 1:15AM0.56m | ||||||||
 |  |  | | | | | |  | | | | | | | | | | | | | |
 | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:35 | — | — | 5:35 | — | — | 5:35 | — | — | 5:35 | — | — |
 | — | 5:42 | — | — | 5:42 | — | — | 5:42 | — | — | 5:42 | — | — | 5:42 | — | — | 5:42 | — | — | 5:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 24 | 26 | 25 | 24 | 25 | 25 | 25 | 27 | 25 | 25 | 26 | 26 | 24 | 25 | 26 | 24 | 26 | 26 | 24 |
Feels °C | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 26 | 28 | 28 | 26 | 27 | 27 | 27 | 28 | 26 | 27 | 27 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 18 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 14 |
| kJ | 626 | 711 | 838 | 956 | 2541 | 2610 | 2545 | 2352 | 1672 | 1285 | 1005 | 796 | 578 | 1409 | 2510 | 2061 | 1772 | 1351 | 979 | 863 | 982 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 20 | SW 18 | SW 18 | S 12 | SE 5 | — | — | SE 5 | S 13 | S 12 | ESE 6 | SSW 19 | SW 13 | S 8 | S 8 | S 9 | ESE 6 | — | — | ESE 6 |
| kJ | 163 | 97 | 323 | 635 | 27 | 23 | — | — | 23 | 31 | 47 | 23 | 804 | 382 | 66 | 43 | 36 | 22 | — | — | 20 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | W 11 | S 13 | S 13 | W 9 | — | — | — | S 6 | — | SW 20 | SSW 19 | S 11 | S 11 | ESE 6 | S 8 | — | — | — | — | SW 18 |
| kJ | 41 | 2 | 13 | 29 | 7 | — | — | — | 12 | — | 15 | 139 | 39 | 146 | 26 | 21 | — | — | — | — | 12 |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 6 | ESE 5 | ESE 5 | ESE 5 | — | SE 6 | SE 5 | — | ESE 6 | ESE 6 | — | ESE 6 | ESE 6 | — | ESE 6 | ESE 6 | — | ESE 6 | ESE 6 | — |
| kJ | 63 | 49 | 21 | 15 | 15 | — | 31 | 23 | — | 21 | 23 | — | 26 | 34 | — | 26 | 25 | — | 22 | 28 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 520 | 6 | 0 | 520 | 520 | 0 | 520 | 6 | 0 | 520 | 520 | 6 | 520 | 6 | 0 | 6 | 6 | 0 | 520 | 718 | 0 |
Best forecast wave conditions in Central Java | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Keusik Luhur surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Keusik Luhur Surf forecast
The above surf forecast table for Keusik Luhur provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Keusik Luhur can be found by selecting the local surf guide option on the grey menu. Our Keusik Luhur 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 (Keusik Luhur) 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 Keusik Luhur 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.
Keusik Luhur is 49 km (30 miles) from the city of Sidareja. If you plan a holiday in Central Java, look for hotels and other accommodation in Sidareja. Sidareja has rooms for a wide range of budgets as well as car hire and transport links.
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