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Surf Forecasts:

Periscope Point surfForecast / Sumbawa / Indonesia

information circle12 Day Weather and Surf, issued 1 pm Tuesday 16 Sep 2025 WITA
Forecast update in hr  min  s Forecast update imminent
Periscope Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Periscope Point sea temperature is
27.7° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Periscope Point this week:

The surf forecast for Periscope Point over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 16) at 8PM. The primary swell is predicted to be 1.2m and 17s period with a secondary swell of 1.3m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Periscope Point in the next 12 days are 2.5m 15s and forecast to arrive on Wednesday (Sep 17) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Tuesday (Sep 16) at 8PM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 16th Sep)4ft (1.2m) 17s
Best Surf11PM (Tue 16th Sep)6.5ft (2.0m) 16s
Most Powerful 8AM (Wed 17th Sep)8ft (2.5m) 15s

Table - best surf conditions forecast for Periscope Point over the next 12 days.

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

Short Range Forecast Mostly dry. Warm (max 29°C on Fri morning, min 24°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 30°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light.

Tue
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
4
4
4
4
3
3
2
2
2
2
3
3
3
4
4
3
3
3
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
SW
2.3
SW
2.5
SW
2.5
SSW
2.3
SSW
2.1
SSW
1.9
SSW
1.7
SSW
1.6
SSW
1.3
SSW
1.2
SW
1.6
SW
1.4
SW
2
SSW
2.2
SSW
2.1
SSW
2
SSW
1.9
SSW
1.8
SW
1.7
SSW
1.1
SW
Period(s) (?)141615151414141312121316171615161514141421
Wave
Graph
(?)Metric surfscale
Energy (?)9882694292426912243178412919327757537551267133719962212212318661504142014262045
Wind
(km/h)
15
SSE
10
SE
15
SE
15
SSE
5
S
10
SSE
10
SSE
10
SSE
15
SSE
15
SSE
15
ESE
10
SE
10
SSE
5
ESE
10
SSE
15
SSE
5
SE
10
SSE
15
SSE
5
SW
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		glasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscross-
off
High Tide
/ height (m)
5:24PM
1.53
5:03AM
2.13
8:32PM
1.75
7:33AM
2.19
9:10PM
2.05
8:43AM
2.39
9:38PM
2.32
9:28AM
2.58
10:03PM
2.56
10:04AM
2.71
10:26PM
2.76
10:35AM
2.79
10:49PM
2.91
11:03AM
2.80
Low Tide
/ height (m)
9:05PM
1.43
1:31PM
1.01
1:17AM
1.50
2:43PM
0.81
2:45AM
1.21
3:21PM
0.63
3:28AM
0.92
3:51PM
0.49
4:02AM
0.67
4:17PM
0.41
4:32AM
0.46
4:41PM
0.37
5:00AM
0.31
Tue
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Sunrise--5:58--5:58--5:58--5:56--5:56--5:56--5:56
Sunset6:02--6:02--6:01--6:01--6:01--6:01--6:01--
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C282628282628282629292629302629292630302629
Feels °C (?)292830292930302931302931322931302932312930
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Sumbawa

  1. weather stationWind Update The wind is still cross-off at Periscope Point (fresh winds from the SSE at Bali International Airport 352 km from Periscope Point). 1.3m 13s groundswell from the SW with a 0.8m 5s windswell from the SSE and a 0.3m 20s long period groundswell from the SSW. 3 swells combining to make bigger set waves.

    1 hour 57 minutes ago Periscope Point
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Periscope Point 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.

View detailed surf forecast for Periscope Point at:
surf-forecast.com

Information about the Periscope Point Surf forecast

The above surf forecast table for Periscope Point provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Periscope Point can be found by selecting the local surf guide option on the grey menu. Our Periscope Point 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 (Periscope Point) 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 Periscope Point 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.

Are you planning a holiday in Sumbawa? If you are looking for accommodation near Periscope Point, camping, hotels and holiday cottages in Sumbawa, consider staying in Bima which is 52 km (32 miles) away. Alternatively, find information about places to stay and car hire in Raba which is 56 km (35 miles) away

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