Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Kalama surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Tuesday 16 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Kalama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kalama sea temperature is
25.6° C
(Which is slightly warmer than usual)How big are the waves at Kalama today?
The current surf forecast for Kalama at 4AM is: 1.7m 13s primary swell from a North direction and 0.5m 12s secondary swell from a Northwest direction (forecast issued at 01:00am December 16). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 5ft (1.6m) | 13s |
| Afternoon (16 Dec) | 5ft (1.5m) | 12s |
| Evening (16 Dec) | 4ft (1.2m) | 12s |
Table - waves today at Kalama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 15 | 14 | 14 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1245 | 1048 | 1002 | 861 | 822 | 667 | 563 | 336 | 572 | 577 | 586 | 495 | 407 | 407 | 401 | 389 | 365 | 297 | 405 | 874 | 876 | 1077 | 1240 | 1164 |
Wind (km/h) | ||||||||||||||||||||||||
| 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 | off | off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 1:24AM 0.78 | 11:05AM 0.47 | 1:53AM 0.82 | 11:49AM 0.45 | 2:24AM 0.85 | 12:28PM 0.45 | ||||||||||||||||||
Low Tide / height (m) | 8:17AM 0.44 | 6:03PM 0.10 | 8:52AM 0.42 | 6:35PM 0.07 | 9:24AM 0.40 | 7:08PM 0.05 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - |
 | |  |  | | | |  | | | | | | | | | | | | |  |  | |  | |
Rain (mm) | - | - | - | 1 | 2 | 1 | 1 | 2 | 1 | 1 | - | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
| Temp. °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 24 | 25 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 25 | 26 | 26 | 24 |
| Feels °C (?) | 26 | 26 | 26 | 26 | 25 | 24 | 26 | 24 | 25 | 24 | 25 | 24 | 24 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 27 | 26 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
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 Kalama 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