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WHAT: For the High Surf Warning, Dangerously large breaking waves 30 to 40 feet. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. One half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.8 and 9.1 feet MLLW at the North Spit tide gauge is predicted.
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WHERE: Northern Coastal Humboldt County.
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WHEN: For the High Surf Warning, from 1 PM Friday to 4 AM PST Sunday. For the Coastal Flood Advisory, from 11 AM to 3 PM PST Friday. High tide is at 1:04pm at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
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IMPACTS: Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening surf conditions and significant beach erosion can be expected.
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ADDITIONAL DETAILS: While astronomical tides are decreasing each day, persistent southerly winds are aiding in raising water levels for Humboldt Bay. The beginning of a very large incoming swell could enhance coastal flooding if they overlap, but they aren't anticipated to do so or will not overlap for long. After only brief improvement in high swell late Saturday through Sunday, a second large swell is forecast late Sunday through Monday.
* WHAT...For the High Surf Warning, Dangerously large breaking waves 30 to 40 feet. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. One half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.8 and 9.1 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Coastal Humboldt County. * WHEN...For the High Surf Warning, from 1 PM Friday to 4 AM PST Sunday. For the Coastal Flood Advisory, from 11 AM to 3 PM PST Friday. High tide is at 1:04pm at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening surf conditions and significant beach erosion can be expected. * ADDITIONAL DETAILS...While astronomical tides are decreasing each day, persistent southerly winds are aiding in raising water levels for Humboldt Bay. The beginning of a very large incoming swell could enhance coastal flooding if they overlap, but they aren't anticipated to do so or will not overlap for long. After only brief improvement in high swell late Saturday through Sunday, a second large swell is forecast late Sunday through Monday.
A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures.
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WHAT: For the High Surf Warning, Dangerously large breaking waves 30 to 40 feet. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. One half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.8 and 9.1 feet MLLW at the North Spit tide gauge is predicted.
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WHERE: Northern Coastal Humboldt County.
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WHEN: For the High Surf Warning, from 1 PM Friday to 4 AM PST Sunday. For the Coastal Flood Advisory, from 11 AM to 3 PM PST Friday. High tide is at 1:04pm at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
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IMPACTS: Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening surf conditions and significant beach erosion can be expected.
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ADDITIONAL DETAILS: While astronomical tides are decreasing each day, persistent southerly winds are aiding in raising water levels for Humboldt Bay. The beginning of a very large incoming swell could enhance coastal flooding if they overlap, but they aren't anticipated to do so or will not overlap for long. After only brief improvement in high swell late Saturday through Sunday, a second large swell is forecast late Sunday through Monday.
* WHAT...For the High Surf Warning, Dangerously large breaking waves 30 to 40 feet. For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. One half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.8 and 9.1 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Coastal Humboldt County. * WHEN...For the High Surf Warning, from 1 PM Friday to 4 AM PST Sunday. For the Coastal Flood Advisory, from 11 AM to 3 PM PST Friday. High tide is at 1:04pm at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening surf conditions and significant beach erosion can be expected. * ADDITIONAL DETAILS...While astronomical tides are decreasing each day, persistent southerly winds are aiding in raising water levels for Humboldt Bay. The beginning of a very large incoming swell could enhance coastal flooding if they overlap, but they aren't anticipated to do so or will not overlap for long. After only brief improvement in high swell late Saturday through Sunday, a second large swell is forecast late Sunday through Monday.
A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. Large breaking waves along the coast will lead to increased wave run-up on beaches with waves topping and washing over large rocks and jetties. These large waves can be erratic and unpredictable. Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water. Mariners traversing the bar are urged to exercise extreme caution or stay in port until the threat subsides. Please contact the U.S. Coast Guard for information regarding harbor and bar closures.
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