Lighthouse Surf Forecast

/ Tongatapu (7 surf breaks) /

Tonga (17 surf breaks)

Surf Forecasts

Lighthouse surfForecast / Tongatapu / Tonga

48hr Weather and Surf, issued 6 am Tuesday 19 Aug 2025 +13

Forecast update in hr min s Forecast update imminent

Lighthouse surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Lighthouse sea temperature is 23.7° C
(Which is slightly warmer than usual)

How big are the waves at Lighthouse today?

The current surf forecast for Lighthouse at 8AM is: 0.4m 19s primary swell from a Southwest direction (forecast issued at 06:00am August 19). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (+13) & Date	Wave Height	Wave Period
Morning (19 Aug)	1.5ft (0.4m)	18s
Afternoon (19 Aug)	2ft (0.6m)	18s
Evening (19 Aug)	2ft (0.6m)	16s

Table - waves today at Lighthouse. (Swell directed towards the surf break)

Hourly 12 Days

Tonga – Tongatapu Surf

Print Surf Table

Updates in hr min s Forecast update imminent

	Tuesday 19							Wednesday 20								Thursday 21								Fri 22
	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	1 AM
Rating (10 max)	0	1	1	1	1	1	1	2	1	1	1	0	1	0	0	0	0	0	0	1	2	2	2	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Period(s) (?)	19	19	18	18	18	17	16	16	16	15	15	16	16	16	14	14	14	14	14	13	13	13	13	13
Wave Graph (?)
Energy (?)	77	100	123	160	200	235	262	271	274	198	227	246	311	244	163	245	259	256	192	633	803	977	1029	1023
Wind (km/h)	S	S	SSE	S	S	S	S	S	S	S	S	SSW	SSW	SSW	S	S	S	S	SSE	SSE	SSE	SE	SE	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	off	off	off	off	off	cross- off	cross- off	cross- off	off	off	cross- off	cross- off	cross- off	cross- off	cross- off	off	off	off	off	off	off	off	cross- off
High Tide / height (m)	3:25AM 1.35					4:18PM 1.16				4:28AM 1.35				5:20PM 1.18				5:27AM 1.36				6:16PM 1.22
Low Tide / height (m)				10:02AM 0.17				10:12PM 0.34				11:03AM 0.16				11:14PM 0.33				12:00PM 0.14				12:11AM 0.31

	Tuesday 19							Wednesday 20								Thursday 21								Fri 22
Sunrise	-	-	7:01	-	-	-	-	-	-	-	7:01	-	-	-	-	-	-	-	7:00	-	-	-	-	-
Sunset	-	-	-	-	6:28	-	-	-	-	-	-	-	6:28	-	-	-	-	-	-	-	6:29	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	20	20	20	20	21	21	21	20	20	20	20	21	21	21	21	21	21	21	21	20	21	20	21	20
Feels °C (?)	19	19	20	20	21	21	21	18	18	17	19	19	19	18	18	18	17	16	16	15	16	15	15	15

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Tongatapu

Wind Update Continuing clean conditions at Lighthouse (light winds from the SSE at Fua Amotu Tonga Airport 26 km from Lighthouse). 0.5m 6s windswell from the SW with a 0.4m 11s groundswell from the SSE and a 0.2m 2s local chop, also from the SSE. 3 swells combining to make bigger set waves.
1 hour 53 minutes ago Lighthouse

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26 km away, 1 h 53 min ago

7 km/h

SSE

0.0

23.7

Air / Water (°C)

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