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  1. Official U.S. high and low tide predictions. High Tide Flooding Outlooks. Show when, where, and how often high tide flooding may occur at specific locations. Coastal Condition Forecasts. Nowcast and forecast (out to 48-72 hours) model information on water levels, currents, wind, salinity, and water temperature. Featured News.

    • Strategic Plan

      A New Five Year Strategy for the Center for Operational...

    • Contact Us

      Tide.Predictions@noaa.gov or 301-713-2815. For inquiries or...

    • Tides and Water Levels

      Tides & Currents Tides & Great Lakes Water Levels Page....

    • PORTS

      Tides & Currents Physical Oceanographic Real-Time System...

  2. Station Info. Tides/Water Levels. Meteorological Obs. Phys. Oceanography. You have been redirected from the legacy NOAA Tide Predictions product. Back to Station Listing | Help. Printer View Click Here for Annual Published Tide Tables. Loading... Today's Tides (LST/LDT) 8:30 PM. high. Options for. 9447130 SEATTLE (Madison St.), Elliott Bay.

  3. May 14, 2024 · The tide is currently rising in Charleston, SC. Next high tide : 2:16 AM. Next low tide : 8:50 AM. Sunset today : 8:12 PM. Sunrise tomorrow : 6:18 AM. Moon phase : First Quarter. Tide Station Location : Station #8665530. Learn More About Our Tidal Data.

  4. Sea Conditions. Live Weather. Tide Station Map. Location Guide. Today's tide times for Cocoa Beach, Florida. The predicted tide times today on Wednesday 22 May 2024 for Cocoa Beach are: first low tide at 1:48am, first high tide at 7:32am, second low tide at 1:25pm, second high tide at 8:06pm. Sunrise is at 6:28am and sunset is at 8:10pm.

    • Q: What Are Our Tide High/Low Measurements Based on?
    • Q: Why Are There Blank Cells in The Tide Chart?
    • Q: Why Do Some Cells Show Am Or Pm, But Not Others?
    • Q: How Do We Calculate “King Tides”?
    • Q. How Do The Currents Affect The Tides?
    • Q: What Are The Best Resources For Learning More About Tides?

    A:The baseline for giving how high or low the tides are is called the MLLW, or Mean Lower Low Water. This is the average low water height for a complete 19-year Metonic Cycle (also known as the National Tidal Datum Epoch) – basically the time it takes for a high-tide to occur at exactly the same time and date. This number is what is used on nautica...

    A:Sometimes you might notice in our tide charts that the high/low for a given date is not there. The reason for this is the fact the tides don’t quite fit into a daily cycle, and actually average 24 hours and 54 minutes between complete cycles. So those ‘missing’ cells are where the tide time has jumped into the next day.

    A:Similar to the answer above, there are instances where 2 high tides occur in one 12-hour period. If that is the case, the second time will be in the second time column (PM) but will say AM so you know it is in same period as the first time of the day. These are rare, depending on the layout of the harbor and surrounding geographically features.

    A:The truth is we don’t predict King Tides in our tide charts. ‘King Tides’ refer to the highest tide of the year. There are many factors that can increase the height of the tide the are not caused by the predictable phases of the moon, which our tide charts are based on. Things like flooding and river surges can change the height of the tide on an...

    A: Many mariners use a general rule that says that slack water (no movement of water in any direction) occurs at high tide and low tide. However there are exceptions depending on the location and its currents. There are other factors that affect the appearance of slack water: 1. Wind driven currents can alter the timing of slack water. 2. Changes i...

    A:There are several really great organizations with scientifically accurate information on tides: 1. NOAA’s Educational Resources on Tides 2. NOAA’s Tides & Currents Site 3. The National Oceanography Centre (UK) We also have several interesting and helpful articles on Tides: 1. Amazing Facts About the Tide 2. Tides 101: The View from Space 3. Myth-...

  5. There are two high tides and two low tides. A high tide and a low tide are usually separated by 6 hours and 12.5 minutes. Many industries, including shipping, fishing, and coastal engineering, rely on tide knowledge, so they monitor and track tides. Tides can be hazardous as well.

  6. Mar 28, 2023 · Tides. Tides are another type of wave motion – a change in the ocean water level that typically reaches a high and low twice a day, about six hours apart (called a semi-diurnal tide). The change from low to high tide is called the "flood tide" or “flow”. The change from high to low tide is called the "ebb tide".

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