Bali, Indonesia Surf Forecast 16 - 29 July, 2019

16 Jul 2019 0 Share

Bali, Indonesia Surf Forecast 17 - 29 July, 2019

Forecast Issued Tuesday, 16 July 2019

Peak season is in full swing for Indonesia and the Indian Ocean continues to dish out swells through the end of July. An active storm track in the southern Indian Ocean is producing back to back deepwater SW to SSW groundswells. These swells consist of wave periods in excess of 18 to 20 seconds+, meaning plenty of deep water energy inbound and pumping sets, especially along the deepwater reefs that focus those long period waves. With one swell forecasted to overlap another during the weeks ahead, the swell pattern shows little in the way of downtime for the islands. And there's more ahead in the long range, with plenty more waves marching our way from the SSW to S on the charts. 

Indo treats. The goods just keep on coming in from the Indian Ocean. CW user submitted photo www.tlyndonmassey.com.

Indo treats. The goods just keep on coming in from the Indian Ocean. CW user submitted photo www.tlyndonmassey.com.

Daily Summary

Wednesday 17
Reinforcing SSW groundswell fills in, picking up occasionally sets 4 to 6ft along exposed breaks. Wrapping at lower levels inside sheltered breaks with size depending on exposure. WIND: ESE 10 to 15 knots.

Thursday 18
SSW groundswell slowly fading. Tending 4 to 5ft across the exposed breaks, wrapping at lower levels elsewhere with size depending on exposure. Dropping a foot or so during the afternoon. WIND: ESE 10 to 15.

Friday 19
Long period SW groundswell gradually fills in later in the day. Sets tending slower early around 3 to 4ft along exposed breaks, then new sets inconsistently 4 to 6ft later. Tending at lower levels elsewhere with size depending on exposure. WIND: Early light variable before tending SE around 10 to 15 knots in the afternoon.

Saturday 20
SW groundswell. Holding sets 4 to 6ft across exposed breaks, wrapping in at lower levels and inconsistent elsewhere with size depending on exposure. WIND: Early light variable before tending SE around 10 to 15 knots in the afternoon.

Sunday 21
Old SW fades. Possible long period SSW groundswell builds in late. Tending 3 to 4ft, then rising up occasional sets 6ft+ across the most exposed breaks into evening. Wrapping at lower levels elsewhere with size depending on exposure. WIND: Early variable before tending ESE 10 to 15knots.

Monday 22
Increased new SSW groundswell fills in. New deepwater sets rise up, speculatively 6 to 10ft on exposed breaks early, easing in the afternoon. Grading smaller to 4 to 6ft elsewhere depending on exposure. WIND: Early variable before tending ESE 10 to 15knots.


CW virtual buoy off Java showing the reinforcing SW groundswells this week. More in the long range details...

CW virtual buoy off Java showing the reinforcing SW groundswells this week. More in the long range details...

Long Range

A new development of deepwater SSW to S swells is due to pick up a larger and more significant swell event through early to mid next week. The new run of overlapping SSW swells will begindeveloping in a series of successive low pressure systems that are forecasted to evolve from the central to southeast Indian Ocean later this week and weekend.

Firstly, a new mid latitude low pressure system will deepen from around the 200-210 degrees Friday, pushing out a larger SW swell to arrive with forerunners late Sunday and peak Monday the 22nd. That storm will then open the way for a larger secondary artic storm track nearing the southwest of WA this weekend.

We should see the secondary storm flare up an even stronger and significant S groundswell as it is forecasted to uphold 45 knot wind fetch and form fully developed seas early next week. In response, a larger SSW groundswell will peak in Indo around early Wednesday 24th. Note that the swell direction moves towards a more southerly angle through the week, making sets more selective to south focal breaks then.

More waves on the way so check back for updates next week! 

CW wavetracker with seas in excess of 40ft inbound from the SSW with a forecasted storm near the southwest of WA this weekend.

CW wavetracker with seas in excess of 40ft inbound from the SSW with a forecasted storm near the southwest of WA this weekend.


Indo lit in the golden hour. CW user pic by tlyndonmassey

Indo lit in the golden hour. CW user pic by tlyndonmassey


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