Lighthouse surfForecast / Tongatapu / Tonga

information circle16 Day Weather and Surf, issued 6 am Thursday 14 May 2026 +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
26.6° C
(Which is 1.2°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Lighthouse this week:

The most powerful waves expected at Lighthouse in the next 16 days are 1.2m 10s and forecast to arrive on Thursday (May 21) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Monday (May 18) at 1AM.

Wave TypeTime (+13) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1PM (Thu 21st May)4ft (1.2m) 10s

Table - best surf conditions forecast for Lighthouse over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Sat night. Warm (max 24°C on Thu morning, min 23°C on Thu night). Mainly strong winds.

Days 4-6 Weather Summary

Heavy rain (total 29mm), heaviest during Mon night. Warm (max 25°C on Tue afternoon, min 23°C on Sun morning). Mainly strong winds.

Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
13
0.8
SW
13
0.8
SW
13
0.7
SW
13
0.6
SW
19
0.6
SSW
16
0.5
SW
17
0.6
SW
16
0.6
SW
16
0.5
SW
14
0.5
SW
14
0.4
SSW
15
0.3
SW
20
0.5
S
13
0.3
SW
18
0.4
SSW
12
0.3
SW
16
0.3
SW
15
1.1
SSW
11
0.6
SSE
11
1
SE
11
Wave Graph
Metric surfscale
Energy kJ
295
250
212
176
236
188
143
206
155
103
102
71
60
90
50
49
40
41
265
91
237
Wind (km/h)
30
SE
30
SE
30
SE
30
SE
30
SE
35
SE
35
ESE
35
SE
40
ESE
45
ESE
45
ESE
40
ESE
40
E
40
E
45
ENE
45
NE
40
NNE
35
NNW
45
WNW
50
W
45
W
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
on
cross-on
cross-on
cross
High Tide
5:19PM1.22m
5:38AM1.40m
6:14PM1.27m
6:28AM1.47m
7:09PM1.31m
7:19AM1.52m
8:04PM1.34m
8:12AM1.54m
9:00PM1.36m
9:07AM1.54m
9:57PM1.35m
10:04AM1.51m
10:55PM1.34m
Low Tide
11:11AM0.24m
11:20PM0.26m
12:03PM0.14m
00:12AM0.23m
12:56PM0.05m
1:05AM0.20m
1:49PM-0.01m
1:59AM0.19m
2:43PM-0.05m
2:54AM0.19m
3:38PM-0.05m
3:52AM0.20m
4:35PM-0.03m
cloud
cloud
part cloud
part cloud
cloud
clear
clear
part cloud
rain showers
rain showers
light rain
rain showers
part cloud
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
7:03
7:03
7:03
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:10
6:10
6:09
6:09
6:09
6:08
6:08
3
2
4
1
10
5
4
3
Temp °C
24
24
24
24
24
24
24
24
23
23
23
24
24
24
24
24
25
25
25
24
24
21
21
21
21
20
20
19
19
18
17
17
18
18
18
18
19
22
22
19
17
18
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
13
0.8
SW
13
0.8
E
10
0.9
E
11
1
E
11
1
E
10
0.5
SW
17
0.6
SSW
13
0.6
S
10
0.5
S
9
0.5
SW
14
0.4
SSW
15
0.4
SSW
13
0.5
S
13
0.4
SSW
12
1.9
E
8
1.9
E
8
1.6
E
9
1.3
E
9
1.3
ESE
9
1
SE
11
Energy kJ
295
250
127
188
227
210
143
133
71
45
102
71
60
90
50
489
517
390
252
277
237
Swell 2
Height (m)
Direction
Period (s)
0.5
S
13
0.8
E
10
0.8
SW
13
0.7
SW
13
0.6
SW
14
0.6
SSW
16
0.5
S
14
0.6
SW
16
0.6
SW
16
0.5
SW
14
0.4
SSW
10
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.3
SW
18
0.4
SSW
12
0.3
SW
16
0.4
SSW
10
0.3
NNE
9
0.6
SSE
11
0.9
E
10
Energy kJ
84
117
212
176
149
188
93
206
155
103
35
64
44
44
49
49
40
41
15
91
148
Swell 3
Height (m)
Direction
Period (s)
0.3
NE
8
0.5
S
13
0.5
S
13
0.5
S
13
0.6
SW
19
0.6
SW
14
0.4
SSW
8
0.1
N
9
0.2
N
10
0.3
S
17
0.3
SSW
16
0.3
SSW
9
0.3
SW
20
0.3
SW
19
0.3
SW
12
0.3
SW
16
0.3
SSW
12
0.3
SW
15
0.3
SW
14
0.4
NE
6
0.2
NNE
6
Energy kJ
11
85
82
82
236
116
24
2
7
51
50
17
60
58
24
41
27
34
33
9
4
Wind waves
Height (m)
Direction
Period (s)
1.5
ESE
10
1.2
ESE
5
1.1
ESE
6
1.2
ESE
6
1
ESE
6
1.3
ESE
6
1.8
ESE
10
1.7
ESE
10
1.6
ESE
10
1.7
ESE
9
2.2
ESE
9
2.4
E
8
2.2
E
8
2.1
E
8
2.3
E
8
0.8
NE
4
0.8
NNE
5
0.7
WNW
4
1.1
SSW
11
1.1
SW
5
1.2
SSW
6
Energy kJ
391
73
80
84
72
95
628
586
502
506
708
802
643
572
703
23
33
13
265
47
96
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
4
4
4
3
3
1
2
3
1
1
2
2
2
2
2
2
2
2
Distance (km)
861
871
861
861
861
861
871
861
1897
850
850
850
850
803
728
769
865
863
865
863
863
Best forecast wave conditions in Tonga - Tongatapu
Rating
(10 max)
Best forecast wave conditions in Tonga
Rating
(10 max)
Header Global
Rating
(10 max)
9
4
5
4
5
5
5
4
5
4
5
5
7
4
5
5
4
4
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Lighthouse Surf forecast

The above surf forecast table for Lighthouse provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lighthouse can be found by selecting the local surf guide option on the grey menu. Our Lighthouse 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 (Lighthouse) 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 Lighthouse 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.

Lighthouse is 3 km (2 miles) from Neiafu. If you plan a holiday in Tonga - Tongatapu, look for hotels and other accommodation in Neiafu. Neiafu has rooms for a wide range of budgets as well as car hire and transport links.

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