Surf Forecast Surf Report

Lighthouse surfForecast / Tongatapu / Tonga

information circle12 Day Weather and Surf, issued 6 pm Saturday 17 May 2025 +13
Forecast update in 17 min 37 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
78.6°F
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Lighthouse this week:

The surf forecast for Lighthouse over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 20) at 7AM. The primary swell is predicted to be 4ft and 18s period with a secondary swell of 2ft and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Lighthouse in the next 12 days are 4ft 17s and forecast to arrive on Tuesday (May 20) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 8ft 7s period and expected on Friday (May 23) at 7AM.

Wave TypeTime (+13) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Tue 20th May)3.5ft (1.1m) 18s
Best Surf 1PM (Tue 20th May)4ft (1.2m) 17s
Most Powerful10AM (Tue 20th May)4ft (1.2m) 17s

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

Updates in 17 min 37 s Forecast update imminent
Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thu
29
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (ft) & direction (?)
1.5
SW
1.5
SW
2
SW
2
SW
1.5
SW
1.5
SW
2
SW
3
SW
4
SW
4
SW
4
SW
3.5
SW
3.5
SW
3
SW
3
SW
2.5
SW
2.5
SW
2
SW
2
SW
2
SW
2
SW
2
SW
1.5
SW
1
SW
1.5
SW
1.5
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
2
SW
2
SW
1.5
SW
1.5
SW
1.5
SW
1.5
SW
Period(s) (?)151313141521201817161615151515141414141413131324142120191817171616151514
Wave
Graph
(?)Metric surfscale
Energy (?)768711116475160241564861774719512421370355297234155167164113109608799162373369375362222159122837573
Wind
(mph)
20
ESE
20
ESE
20
ESE
20
ESE
20
ESE
20
ESE
15
ESE
15
E
15
E
10
E
10
ESE
20
E
15
ESE
15
ESE
20
ESE
20
ESE
20
ESE
30
ESE
30
ESE
25
ESE
25
ESE
25
ESE
20
E
25
ESE
25
ESE
25
ESE
30
E
30
E
30
E
30
E
30
E
25
E
25
E
25
E
25
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
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-
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-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (ft)
11:25PM
3.58
11:16AM
3.94
12:10AM
3.61
12:03PM
3.87
12:58AM
3.67
12:55PM
3.87
1:48AM
3.81
1:52PM
3.9
2:39AM
4.04
2:52PM
3.94
3:31AM
4.27
3:54PM
4.04
4:24AM
4.53
4:55PM
4.17
5:17AM
4.76
5:55PM
4.3
6:10AM
4.95
6:53PM
4.4
7:04AM
5.05
7:51PM
4.43
7:58AM
5.09
8:47PM
4.46
8:53AM
5.02
Low Tide
/ height (ft)
5:08AM
1.51
5:48PM
0.89
5:56AM
1.54
6:33PM
0.92
6:50AM
1.51
7:22PM
0.92
7:48AM
1.41
8:14PM
0.89
8:48AM
1.21
9:07PM
0.82
9:48AM
0.92
10:02PM
0.75
10:46AM
0.62
10:58PM
0.69
11:43AM
0.33
11:54PM
0.66
12:39PM
0.07
12:49AM
0.59
1:35PM
-0.1
1:45AM
0.59
2:30PM
-0.16
2:41AM
0.66
Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thu
29
Sunrise--7:03--7:05--7:05--7:05--7:05--7:05--7:07--7:07--7:07--7:07--7:09--7:09
Sunset6:09--6:09--6:08--6:08--6:08--6:08--6:07--6:07--6:07--6:07--6:07--6:07--
clearclearclearclearclearclearclearclearpart cloudclearrain showersclearpart cloudpart cloudpart cloudcloudrain showersrain showersrain showerspart cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudlight raincloudpart cloudclearpart cloudpart cloudclearclearclearclear
Rain (in)
----------0.0-----0.10.10.0-------0.0---------
Temp. °F757575757575757575757575757573757573737373737573757573757573757575757575
Feels °F (?)706870706870727072737372737068686863636364636664646461646463646668687072

Short Range Forecast: Mostly dry. Warm (max 75°F on Sat afternoon, min 73°F on Sun night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 0.2in), mostly falling on Fri morning. Warm (max 75°F on Tue afternoon, min 73°F on Wed night). Winds increasing (light winds from the ESE on Tue night, strong winds from the ESE by Fri morning).

Days 6-9 Weather Summary Light rain (total 0.1in), mostly falling on Fri afternoon. Warm (max 75°F on Sat night, min 73°F on Fri afternoon). Mainly strong winds.

Long Range Forecast: Mostly dry. Warm (max 75°F on Mon afternoon, min 73°F on Mon afternoon). Mainly strong winds.

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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 12 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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