Surf's up on Big Island: Expect chest-high swells on NE shores and a big wave boost on NW shores by Tuesday. Keep an eye on minor coastal flooding due to peak tides. 🌊 #HawaiiWeather #SurfForecast #HawaiiNews
Hawaii County Surf Forecast for December 16, 2024
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bigislandnow.com
December 16, 2024 at 6:05 AM
Surf's up on Big Island: Expect chest-high swells on NE shores and a big wave boost on NW shores by Tuesday. Keep an eye on minor coastal flooding due to peak tides. 🌊 #HawaiiWeather #SurfForecast #HawaiiNews
Big waves incoming for Big Island's north and west shores. 🌊 Expect advisory-level surf Thursday, with even bigger swells peaking this weekend. Stay safe and enjoy the ride! #Hawaii #SurfForecast #HawaiiNews
Hawaii County Surf Forecast for January 02, 2025
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bigislandnow.com
January 2, 2025 at 6:48 AM
Big waves incoming for Big Island's north and west shores. 🌊 Expect advisory-level surf Thursday, with even bigger swells peaking this weekend. Stay safe and enjoy the ride! #Hawaii #SurfForecast #HawaiiNews
If a weather map shows a 30 kilometers per hour wind (that's 8.3 m/s) blowing across 200 kilometers of open ocean for several hours, you'll probably get around head-high surf.
#waveheight #windspeed #waveforecast #smbmethod #surfforecast #surfscience #surf #surfing
#waveheight #windspeed #waveforecast #smbmethod #surfforecast #surfscience #surf #surfing
How surfers can predict wave height just by reading the wind
The SMB method is a semi-empirical system that estimates wave height and period from wind speed, fetch, or duration. It assumes deep water and steady wind blowing over an open water surface.
www.surfertoday.com
October 17, 2025 at 3:14 PM
If a weather map shows a 30 kilometers per hour wind (that's 8.3 m/s) blowing across 200 kilometers of open ocean for several hours, you'll probably get around head-high surf.
#waveheight #windspeed #waveforecast #smbmethod #surfforecast #surfscience #surf #surfing
#waveheight #windspeed #waveforecast #smbmethod #surfforecast #surfscience #surf #surfing
High surf alert for Big Island's east shores this weekend. 🌊 Expect rough, choppy waves, while sunny skies grace the leeward side. Stay safe or enjoy the surf responsibly. #HawaiiWeather #SurfForecast
Hawaii County Surf Forecast for November 16, 2024
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bigislandnow.com
November 16, 2024 at 6:55 AM
High surf alert for Big Island's east shores this weekend. 🌊 Expect rough, choppy waves, while sunny skies grace the leeward side. Stay safe or enjoy the surf responsibly. #HawaiiWeather #SurfForecast
Catch the waves on Big Island! 🌊 North shores see chest-high swells, while east shores stay rough. Leeward side enjoys sunny skies and calmer seas. What's your plan? #HawaiiWeather #SurfForecast #HawaiiNews
December 12, 2024 at 6:10 AM
Catch the waves on Big Island! 🌊 North shores see chest-high swells, while east shores stay rough. Leeward side enjoys sunny skies and calmer seas. What's your plan? #HawaiiWeather #SurfForecast #HawaiiNews
Brand engineer is out! http://bit.ly/lGgSGG ▸ Top stories today via @surfilmfestibal @surfforecast @surf_news @ttride
November 17, 2024 at 8:26 AM
Brand engineer is out! http://bit.ly/lGgSGG ▸ Top stories today via @surfilmfestibal @surfforecast @surf_news @ttride
Get ready for a surf adventure on the Big Island. High surf advisory for west-facing shores with waves peaking Friday night. Plus, a sunny Friday is on the horizon. #BigIslandWeather #SurfForecast 🌊🏄♂️ #HawaiiNews
November 29, 2024 at 6:16 AM
Get ready for a surf adventure on the Big Island. High surf advisory for west-facing shores with waves peaking Friday night. Plus, a sunny Friday is on the horizon. #BigIslandWeather #SurfForecast 🌊🏄♂️ #HawaiiNews
Surf's up on the Big Island. Medium NW swell continues through Tuesday, with a large swell hitting Wednesday. Expect choppy conditions on east shores due to trade winds. #HawaiiWeather #SurfForecast 🌊 #HawaiiNews
Hawaii County Surf Forecast for December 31, 2024
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bigislandnow.com
December 31, 2024 at 6:49 AM
Surf's up on the Big Island. Medium NW swell continues through Tuesday, with a large swell hitting Wednesday. Expect choppy conditions on east shores due to trade winds. #HawaiiWeather #SurfForecast 🌊 #HawaiiNews
There are a lot of random events taking place between the birth and breaking of a wave, making a surfer's ride an even more unique and rare moment.
#swell #surfscience #surfforecast #waves #oceanography #surf #surfing
#swell #surfscience #surfforecast #waves #oceanography #surf #surfing
How ocean swells propagate, disperse, and group
After they're created by the wind and before they reach the coastline, waves go through several propagation processes, including merging and changes in travel speed.
www.surfertoday.com
April 4, 2025 at 10:01 AM
There are a lot of random events taking place between the birth and breaking of a wave, making a surfer's ride an even more unique and rare moment.
#swell #surfscience #surfforecast #waves #oceanography #surf #surfing
#swell #surfscience #surfforecast #waves #oceanography #surf #surfing
Brand engineer is out! ▸ Top stories today via @surfforecast @coastclare @dontpanic
November 17, 2024 at 8:33 AM
Brand engineer is out! ▸ Top stories today via @surfforecast @coastclare @dontpanic
Wave speed matters. Here are a few simple equations that can tell you a lot about a groundswell and when it will reach your favorite surf break.
#groundswell #waves #surfscience #surfforecast #oceanography #surf #surfing
#groundswell #waves #surfscience #surfforecast #oceanography #surf #surfing
How fast do ocean swells travel?
What is the speed of a swell as it travels across the ocean? How can you calculate when it will reach your surf break? Here's all the math you need to know.
www.surfertoday.com
November 14, 2025 at 3:41 PM
Wave speed matters. Here are a few simple equations that can tell you a lot about a groundswell and when it will reach your favorite surf break.
#groundswell #waves #surfscience #surfforecast #oceanography #surf #surfing
#groundswell #waves #surfscience #surfforecast #oceanography #surf #surfing
🌊 Heads up, surfers: A new northwest swell is hitting Niihau, Kauai, and Oahu, with high surf advisories likely expanding to Maui. Expect chest-high swells and choppy conditions. Stay safe out there. #SurfForecast #Hawaii #HawaiiNews
January 1, 2025 at 7:20 AM
🌊 Heads up, surfers: A new northwest swell is hitting Niihau, Kauai, and Oahu, with high surf advisories likely expanding to Maui. Expect chest-high swells and choppy conditions. Stay safe out there. #SurfForecast #Hawaii #HawaiiNews
🌊 Exciting surf update for the Big Island: Expect chest to head high waves on north shores Monday with a mix of north-northwest swells and out-of-season south swells. Stay safe and catch those waves! 🏄♂️ #SurfForecast #HawaiiSurf #HawaiiNews
December 9, 2024 at 6:32 AM
🌊 Exciting surf update for the Big Island: Expect chest to head high waves on north shores Monday with a mix of north-northwest swells and out-of-season south swells. Stay safe and catch those waves! 🏄♂️ #SurfForecast #HawaiiSurf #HawaiiNews
Surf's up on Big Island's north and west shores this weekend, with swells peaking on Sunday. Expect choppy conditions and a chance of showers, but plenty of sunshine too. 🌊 #BigIslandWeather #SurfForecast #HawaiiNews
November 24, 2024 at 6:10 AM
Surf's up on Big Island's north and west shores this weekend, with swells peaking on Sunday. Expect choppy conditions and a chance of showers, but plenty of sunshine too. 🌊 #BigIslandWeather #SurfForecast #HawaiiNews
A wind blowing at 34-40 knots for 36 hours will produce a 14-second swell period and waves of around 37 feet.
#windspeed #waveheight #surfforecast #surfscience #surf #surfing
#windspeed #waveheight #surfforecast #surfscience #surf #surfing
The wind-to-wave height table
Check how long it takes the wind to blow over a fetch to generate a certain wave height and wave period.
www.surfertoday.com
December 4, 2025 at 3:03 PM
A wind blowing at 34-40 knots for 36 hours will produce a 14-second swell period and waves of around 37 feet.
#windspeed #waveheight #surfforecast #surfscience #surf #surfing
#windspeed #waveheight #surfforecast #surfscience #surf #surfing
Sunny mornings and isolated showers mark Maui's forecast, with light winds and dry conditions persisting through midweek. Big surf is on the horizon, peaking by Friday. #MauiWeather #SurfForecast #HawaiiNews
December 16, 2024 at 5:39 PM
Sunny mornings and isolated showers mark Maui's forecast, with light winds and dry conditions persisting through midweek. Big surf is on the horizon, peaking by Friday. #MauiWeather #SurfForecast #HawaiiNews
Surf alert: Big Island's north and west shores to see elevated waves tonight, with a significant swell hitting next week. Stay tuned for potential high surf warnings. 🌊 #Hawaii #SurfForecast #HawaiiNews
Hawaii County Surf Forecast for December 13, 2024
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bigislandnow.com
December 13, 2024 at 6:41 AM
Surf alert: Big Island's north and west shores to see elevated waves tonight, with a significant swell hitting next week. Stay tuned for potential high surf warnings. 🌊 #Hawaii #SurfForecast #HawaiiNews