20 April 2026: Tsunami Alert Issued for NE Japan

A magnitude-7.4 earthquake off the coast of Sanriku has triggered a tsunami warning. latest updates

Napatree Jetty surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 7 am Monday 20 Apr 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Napatree Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Napatree Jetty sea temperature is
6.6° C
(Which is normal for this time of year)

How big are the waves at Napatree Jetty today?

The current surf forecast for Napatree Jetty at 10AM is: 0.5m 7s primary swell from a South direction and 0.1m 6s secondary swell from a Southwest direction, 0.3m 2s secondary swell from a West direction (forecast issued at 07:00am April 20). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Apr)1.5ft (0.5m)6s
Afternoon (20 Apr)1.5ft (0.5m)7s
Evening (20 Apr)1.5ft (0.4m)7s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thu
23
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
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
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SSW
0.5
S
0.5
S
0.5
S
0.4
S
0.4
S
0.3
SSW
0.3
SSW
0.2
S
0.2
S
0.4
NE
0.2
SSW
0.2
E
0.4
SW
0.4
SSW
0.5
SSW
0.6
S
0.6
S
0.9
S
1
S
0.9
S
0.9
S
0.8
S
0.7
S
Period(s) (?)667777666656533344455566
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1119232114148833532347911284540434031
Wind
(km/h)
15
W
15
W
20
W
20
WSW
10
W
15
NW
20
NNW
20
N
15
N
15
NNE
0
NE
15
SSW
20
SSW
20
SSW
20
SSW
25
SSW
25
SSW
25
S
20
S
20
S
10
SSE
10
NNE
15
NNE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on
cross-
on
crosscross-
off
cross-
off
offoffoffglassononononononononcross-
on
cross-
on
offoffcross-
off
High Tide
/ height (m)
11:29AM
0.84
11:52PM
0.98
12:26PM
0.81
12:51AM
0.92
1:26PM
0.79
1:53AM
0.87
Low Tide
/ height (m)
5:31AM
-0.06
5:15PM
-0.08
6:24AM
-0.01
6:05PM
-0.02
7:29AM
0.05
7:03PM
0.05
Monday
20
Tuesday
21
Wednesday
22
Thu
23
Sunrise-6:01-------5:58-------5:58------
Sunset----7:31-------7:32-------7:34---
clear
clear
part cloud
part cloud
light rain
rain showers
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
light rain
cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
Rain (mm)
----11----------1-23----
Temp. °C557778432255655556667777
Feels °C (?)001133-2-3-4-42-10-2-2-2-2-1014544
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Napatree Jetty surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest