Hawaii County Surf Forecast for October 17, 2021

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Forecast for Big Island Leeward










Shores
Today
Monday




Surf

Surf




AM
PM
AM
PM 




West Facing
0-2
0-2
1-3
1-3 




South Facing
0-2
0-2
1-3
1-3 







TODAY







Weather
Sunny until 12 PM, then partly sunny.

                            Isolated showers. 		




High Temperature
In the lower 80s. 




Winds
North winds around 10 mph.











Tides




   Kona
Low 0.3 feet 07:42 AM HST.




High 2.0 feet 02:05 PM HST.




   Kawaihae
Low 0.4 feet 07:58 AM HST.




High 2.1 feet 02:14 PM HST.











Sunrise
6:20 AM HST. 




Sunset
5:59 PM HST.









TONIGHT







Weather
Mostly cloudy until 12 AM, then mostly

                            clear. Isolated showers. 		




Low Temperature
In the lower 70s. 




Winds
East winds around 5 mph.











Tides




   Kona
Low 0.2 feet 08:23 PM HST.




High 1.7 feet 02:34 AM HST.




   Kawaihae
Low 0.1 feet 08:42 PM HST.




High 1.8 feet 02:58 AM HST.
















MONDAY







Weather
Sunny until 12 PM, then mostly cloudy.

                            Isolated showers. 		




High Temperature
In the mid 80s. 




Winds
West winds around 5 mph.











Tides




   Kona
Low 0.3 feet 08:24 AM HST.




High 1.9 feet 02:32 PM HST.




   Kawaihae
Low 0.4 feet 08:46 AM HST.




High 1.9 feet 02:48 PM HST.











Sunrise
6:20 AM HST. 




Sunset
5:58 PM HST.









Swell Summary




Weakening trade winds will result in diminishing surf along east facing shores the next couple of days. Surf along east facing shore will be rising over the upcoming weekend as trade winds are slated to strengthen. A series of north-northwest and north swells are due in this week, with the largest swell arriving Friday, which may warrant a high surf advisory for the north facing shores. Surf along south facing shores will remain small through the week. 




NORTH EAST 



				  am        pm  



				  Surf: Knee high ENE short period wind swell in the morning builds to knee to waist high for the afternoon.



				  Conditions: Light sideshore texture in the morning with SSE winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SE 10-15mph. 


NORTH WEST 



				  am        pm  



				  Surf: Minimal (ankle high or less) surf.



				  Conditions: Glassy in the morning with S winds less than 5mph. Semi choppy conditions for the afternoon with the winds shifting WSW 5-10mph. 


WEST 



				  am        pm  



				  Surf: Minimal (ankle high or less) surf.



				  Conditions: Light sideshore texture in the morning with SSE winds 5-10mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting to the WNW. 


SOUTH EAST 



				  am        pm  



				  Surf: Ankle high E short period wind swell for the morning going more ENE and building into the knee to thigh range in the afternoon.



				  Conditions: Fairly clean in the morning with N winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting to the NE. 




Data Courtesy of NOAA.gov and SwellInfo.com