国家气象局尤里卡办公室11月8日对北加州近海发危险海况警报至当晚：大涌浪部分海域浪高近20英尺，今夜外海浪高可达17英尺
加利福尼亚州北部近海—国家气象局尤里卡办公室11月8日上午8时32分（太平洋标准时间）发布的近海水域预报显示，一股较大涌浪当日抵达西北加州近海，部分海域浪高接近20英尺，危险海况将持续至当晚，周一逐渐减弱。预报称，当日锋面过后风势减弱并短暂转北风，周一南风再起、另一锋面抵达。
分海域看：圣乔治角至门多西诺角10海里内海域，危险海况警报生效至当晚，今日浪高14英尺、今夜15英尺；同段10至60海里外海，危险海况警报同样生效至当晚，今日浪高16英尺、今夜升至17英尺；门多西诺角至阿雷纳角10海里内海域，小型船只警告生效至周一晚间，今日浪高14英尺、今夜15英尺；其外海海域，小型船只警告至当日上午9时、危险海况警报至当晚，今日浪高15英尺、今夜16英尺。各海域主导波均为西向长周期波，周期13至16秒。
预报显示，周一各海域转南风10至20节并有降雨，浪高回落至8至13英尺；周二至周四浪高维持在8至12英尺，周四再有降雨机会。
NWS Eureka Issues Hazardous Seas Warning Through Sunday Evening for Northwest California Waters on November 8: Large Swell Near 20 Feet in Places, With Offshore Seas Building to 17 Feet Tonight
OFFSHORE NORTHERN CALIFORNIA — The National Weather Service office in Eureka, California, in its Coastal Waters Forecast issued at 8:32 a.m. PST on Sunday, November 8, said a larger swell arriving today is creating potentially hazardous conditions, with waves close to 20 feet in some areas, before gradually diminishing into Monday. Winds ease and briefly turn northerly today behind a front; moderate to fresh southerly winds return Monday with another front.
By zone: for coastal waters from Point St. George to Cape Mendocino out 10 nautical miles, a Hazardous Seas Warning is in effect through this evening, with seas of 14 feet today and 15 feet tonight. For the same stretch from 10 to 60 nautical miles, a Hazardous Seas Warning is also in effect through this evening, with seas of 16 feet today building to 17 feet tonight. From Cape Mendocino to Point Arena out 10 nautical miles, a Small Craft Advisory is in effect through Monday evening, with seas of 14 feet today and 15 feet tonight. In the offshore waters beyond that stretch, a Small Craft Advisory ran until 9 a.m. and a Hazardous Seas Warning is in effect through this evening, with seas of 15 feet today and 16 feet tonight. The dominant swell is from the west at periods of 13 to 16 seconds.
The forecast brings southerly winds of 10 to 20 knots and rain on Monday, with seas falling to 8 to 13 feet, followed by seas of 8 to 12 feet Tuesday through Thursday, with another chance of rain on Thursday.
来源：美国国家气象局尤里卡办公室
发布：GSM·美国（发布链接）
图片来源：图：加利福尼亚州洪堡湾与尤里卡市（资料照片）。图片来源：Wikimedia Commons（CC BY-SA 3.0）。 / Photo: Humboldt Bay and Eureka, California (file photo). Source: Wikimedia Commons (CC BY-SA 3.0).
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