Lighthouse-Southside surfForecast / Rhode Island / USA

information circle12 Day Weather and Surf, issued 1 pm Tuesday 01 Jul 2025 EDT
Forecast update in hr  min  s Forecast update imminent
Lighthouse-Southside surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lighthouse-Southside sea temperature is
18.0° C
(Which is 1.0°C colder than average for this time of year)


Best Forecast Surf Conditions for Lighthouse-Southside this week:

The surf forecast for Lighthouse-Southside over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 02) at 2AM. The primary swell is predicted to be 1.6m and 7s period with a secondary swell of 0.2m and 7s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Lighthouse-Southside in the next 12 days are 1.7m 7s and forecast to arrive on Tuesday (Jul 01) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Saturday (Jul 05) at 5AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 2nd Jul)5ft (1.6m) 7s
Best Surf 2AM (Wed 2nd Jul)5ft (1.6m) 7s
Most Powerful11PM (Tue 1st Jul)5.5ft (1.7m) 7s

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

Updates in  hr  min  s Forecast update imminent
Tue
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
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
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SSW
1.6
SSW
1.2
S
1.2
SSW
1
SSW
0.9
SSW
1.2
SSW
0.9
SSW
0.8
S
0.8
S
1
S
0.8
S
0.5
S
0.5
SE
0.8
SSW
1.2
SSW
1.3
SSW
1.2
SSW
1.3
SSW
1.3
SSW
0.9
SSW
0.8
SSW
0.6
SSW
0.8
S
0.8
S
0.7
S
0.7
S
0.7
S
0.7
S
0.5
SSE
0.8
SSW
0.7
SSW
0.6
S
0.5
S
0.2
ESE
0.3
SSW
Period(s) (?)678887777798877566666667777666666696
Wave
Graph
(?)Metric surfscale
Energy (?)15925317419012996160926592163815044878214311413614967673974708652746944795538261910
Wind
(km/h)
25
SW
5
NW
15
SW
25
SW
15
WSW
15
WSW
30
SW
10
NW
10
W
15
W
10
N
5
SSW
15
SSW
15
SW
25
SW
30
SW
25
WSW
25
SW
30
SSW
25
SSW
30
SSW
25
SSW
10
SW
30
NE
30
NE
20
NNE
10
NE
10
ESE
5
NNW
10
ESE
15
SSE
15
SSE
15
SE
10
SE
10
SE
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncrossonononononcrosscross-
on
cross-
on
cross-
off
cross-
on
onononononononononcross-
on
onoffoffcross-
off
offcross-
off
glasscross-
off
cross-
on
cross-
on
crosscrosscrosscross-
on
High Tide
/ height (m)
1:27AM
0.83
2:02PM
0.91
2:17AM
0.77
2:54PM
0.90
3:10AM
0.73
3:46PM
0.91
4:03AM
0.72
4:36PM
0.93
4:56AM
0.73
5:25PM
0.97
5:47AM
0.76
6:12PM
1.01
6:35AM
0.79
6:57PM
1.05
7:22AM
0.83
7:41PM
1.09
8:06AM
0.87
8:24PM
1.11
8:50AM
0.91
9:07PM
1.12
9:33AM
0.94
9:49PM
1.11
10:17AM
0.98
Low Tide
/ height (m)
7:35PM
0.20
7:37AM
0.15
8:39PM
0.23
8:21AM
0.18
9:45PM
0.25
9:09AM
0.19
10:45PM
0.24
10:00AM
0.19
11:36PM
0.22
10:50AM
0.18
12:21AM
0.18
11:38AM
0.16
1:00AM
0.13
12:23PM
0.13
1:36AM
0.09
1:06PM
0.10
2:11AM
0.05
1:48PM
0.07
2:45AM
0.02
2:29PM
0.04
3:19AM
-0.00
3:12PM
0.03
3:54AM
-0.02
Tue
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
Sunrise--5:16--5:16--5:16--5:18--5:18--5:18--5:20--5:20--5:20--5:22--5:22--5:22
Sunset8:22--8:22--8:22--8:22--8:22--8:22--8:21--8:21--8:21--8:20--8:20--8:19--
cloudrain showerslight rainthunderstorm clearclearclearrain showersclearclearclearclearpart cloudpart cloudpart cloudclearclearclearclearpart cloudpart cloudrain showerspart cloudlight raincloudcloudclearclearclearclearclearclearpart cloudcloudrain showerspart cloud
Rain (mm)
-1011---1-------------1-5----------3-
Temp. °C252223242125272424272724242225262325252223232221171721222020211919192020
Feels °C (?)252124242125242223242523212023232125242122222223131420221917181719192021

Short Range Forecast: Moderate rain (total 13mm), heaviest on Tue night. Warm (max 27°C on Thu afternoon, min 19°C on Thu night). Winds increasing (light winds from the NW on Tue night, fresh winds from the SW by Thu afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Fri afternoon, min 21°C on Fri night). Winds increasing (calm on Sat morning, fresh winds from the SW by Sun afternoon).

Days 6-9 Weather Summary Light rain (total 6mm), mostly falling on Wed morning. Warm (max 25°C on Mon afternoon, min 17°C on Wed afternoon). Mainly fresh winds.

Long Range Forecast: Light rain (total 3mm), mostly falling on Sat night. Warm (max 22°C on Thu afternoon, min 18°C on Thu night). Wind will be generally light.

  • 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-Southside Surf forecast

The above surf forecast table for Lighthouse-Southside provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Lighthouse-Southside can be found by selecting the local surf guide option on the grey menu. Our Lighthouse-Southside 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-Southside) 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-Southside 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-Southside is 8 km (5 miles) from Narragansett Pier. If you plan a vacation in Rhode Island, look for hotels and other accommodation in Narragansett Pier. Narragansett Pier has rooms for a wide range of budgets as well as car hire and transport links.

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