839 FZUS56 KEKA 181637 SRFEKA SURF ZONE FORECAST NATIONAL WEATHER SERVICE EUREKA 937 AM PDT Mon May 18 2026 CAUTION: Most Northwest California beaches are always dangerous due to cold water and consistent wave action. The information in this product is directed towards those who surf and wear wetsuits. As a rule...the general public should simply stay out of the water along the north coast of California. CAZ101-190700- Coastal Del Norte- 937 AM PDT Mon May 18 2026 .TODAY... Surf Height...................Northwest Facing Beaches - 6 to 10 feet. Southwest Facing Beaches - 3 to 6 feet. Offshore Waves................NW 9 feet at 9 seconds. SW 1 foot at 14 seconds. NW 4 feet at 19 seconds. Thunderstorm Potential........None expected. Water Temperature.............49 to 50 degrees. Tides......................... Crescent City.......Low -2.3 feet (MLLW) 07:38 AM PDT. High 5.7 feet (MLLW) 02:26 PM PDT. Low 2.7 feet (MLLW) 07:18 PM PDT. .TUESDAY... Surf Height...................Northwest Facing Beaches - 6 to 10 feet. Southwest Facing Beaches - 2 to 4 feet. Offshore Waves................NW 9 feet at 10 seconds. S 1 foot at 14 seconds. NW 4 feet at 14 seconds. Thunderstorm Potential........None expected. Tides......................... Crescent City.......High 7.9 feet (MLLW) 01:14 AM PDT. Low -2.1 feet (MLLW) 08:30 AM PDT. High 5.6 feet (MLLW) 03:21 PM PDT. Low 2.8 feet (MLLW) 08:13 PM PDT. $$ CAZ103-190700- Northern Humboldt Coast- 937 AM PDT Mon May 18 2026 .TODAY... Surf Height...................Northwest Facing Beaches - 6 to 9 feet. Southwest Facing Beaches - 3 to 5 feet. Offshore Waves................NW 8 feet at 9 seconds. SW 1 foot at 14 seconds. NW 4 feet at 19 seconds. Thunderstorm Potential........None expected. Water Temperature.............49 to 50 degrees. Tides......................... North Spit..........Low -2.3 feet (MLLW) 07:47 AM PDT. High 5.4 feet (MLLW) 02:43 PM PDT. Low 2.8 feet (MLLW) 07:24 PM PDT. .TUESDAY... Surf Height...................Northwest Facing Beaches - 6 to 10 feet. Southwest Facing Beaches - 2 to 4 feet. Offshore Waves................NW 10 feet at 10 seconds. S 1 foot at 15 seconds. NW 4 feet at 14 seconds. Thunderstorm Potential........None expected. Tides......................... North Spit..........High 7.9 feet (MLLW) 01:26 AM PDT. Low -2.1 feet (MLLW) 08:38 AM PDT. High 5.4 feet (MLLW) 03:38 PM PDT. Low 2.9 feet (MLLW) 08:19 PM PDT. $$ CAZ109-190700- Mendocino Coast- 937 AM PDT Mon May 18 2026 .TODAY... Surf Height...................Northwest Facing Beaches - 6 to 10 feet. Southwest Facing Beaches - 3 to 5 feet. Offshore Waves................NW 9 feet at 11 seconds. SW 1 foot at 14 seconds. NW 3 feet at 19 seconds. Thunderstorm Potential........None expected. Water Temperature.............Around 50 degrees. Tides......................... Arena Cove..........Low -2.1 feet (MLLW) 07:10 AM PDT. High 4.3 feet (MLLW) 02:05 PM PDT. Low 2.6 feet (MLLW) 06:30 PM PDT. High 6.7 feet (MLLW) 11:31 PM PDT. .TUESDAY... Surf Height...................Northwest Facing Beaches - 6 to 10 feet. Southwest Facing Beaches - 3 to 5 feet. Offshore Waves................NW 10 feet at 10 seconds. S 1 foot at 16 seconds. NW 4 feet at 14 seconds. Thunderstorm Potential........None expected. Tides......................... Arena Cove..........Low -2.0 feet (MLLW) 08:03 AM PDT. High 4.3 feet (MLLW) 03:05 PM PDT. Low 2.7 feet (MLLW) 07:27 PM PDT. $$