NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES Use of Tide Prediction Tables

NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES Enhancing Navigation Providing the Nation’s Tide and Tidal Current Predictions  3,142 Tide Predictions Published Annually  2,821 Tidal Current Predictions Published Annually

Predictions from Published Tables East Coast of North and South America Including Greenland West Coast of North and South America Including Hawaii Europe and West Coast of Africa Including the Mediterranean Central and Western Pacific Ocean and Indian Ocean

Table 1 One year of predictions for Reference Stations; Three Months per page 24-Hour Clock (Military Time) Height of tides referenced to Mean Lower Low Water (MLLW) Times are Local Standard Time - NOT adjusted for Daylight Savings Phases of the Moon First Quarter Last Quarter Full Moon New Moon Feet and Centimeters

Table 2 Secondary Stations grouped geographically Index Number Latitude/Longitude Time & Height Adjustments Reference Station Ranges and Mean Tide Level

Secondary Station Calculations High Low High Low Water Water Water Water Times Times Height Height Craney Island……… *1.04 *1.08 Low Tide ft High Tide ft Low Tide ft High Tide ft * * * *1.04 Low Tide ft High Tide ft Low Tide ft High Tide ft Reference Station Adjustments Secondary Station

PAGE 52 Secondary Tidal Current Station Calculations Secondary Station Calculations: A) 0518 EST is the predicted time of Min Before Flood at Ref. Station. 05:18 EST – 1 hour 18 minutes = 0400 EST. [So, 0400EST is the predicted time of Min Before Flood at the Lynnhaven Inlet Bridge.] B) 0755 EST is the predicted time of the Max Flood Current at the Ref. Station 0755 EST – 1 hour 10 minutes = 0645 EST. [So, 0645 EST is the predicted max flood current at the Lynnhaven Inlet Bridge] C) A flood current of 0.8 k is the predicted speed at the CB Entr. Ref. Station at 0755 EST 0.8 k x 0.7 factor = 0.56 knots [At 0645 EST, a 0.6 knot current is predicted at the Lynnhaven Inlet Bridge] PAGE 143

Custom Tide Predictions 3 Formats available for daily high/low tide predictions 3 Formats available for daily high/low tide predictions International Format International Format Standard Page Format Standard Page Format Manuscript Format Manuscript Format 2 Options available for daily high/low tide predictions 2 Options available for daily high/low tide predictions AM/PM Time – or – 24-Hour Clock AM/PM Time – or – 24-Hour Clock Standard Time – or – with Daylight Saving Time adjustment Standard Time – or – with Daylight Saving Time adjustment

International Format A format based on recommendations by the IHO (International Hydrographic Organization) for the exchange of tide prediction data between countries. A format based on recommendations by the IHO (International Hydrographic Organization) for the exchange of tide prediction data between countries. Data is provided as columns of numbers, all fields are “fixed field width”. Data is provided as columns of numbers, all fields are “fixed field width”. One line of data per day of predictions One line of data per day of predictions Each tide listed sequentially. Each tide listed sequentially. Only an electronic media Only an electronic media “90” – 1 st Tide is a High Tide “91” – 1 st Tide is a Low Tide Station NumberDate Month Year Times and Heights of Tides Listed Sequentially Format: 6 (i5, f4.1) Sequence number Can be adjusted to show AM/PM Time and Daylight Saving Time.

Standard Page Format Designed as a “page readable format”. Designed as a “page readable format”. Includes headers with station name, months, days of the week, and notations as to time reference used. Includes headers with station name, months, days of the week, and notations as to time reference used. Times and heights of tides listed sequentially across the page. Times and heights of tides listed sequentially across the page. Provided on electronic media or printed page. Provided on electronic media or printed page. Can provide times in AM/PM or 24-Hour Clock. Can be adjusted for Daylight Saving Time.

Manuscript Format Same Format used in the Published Tide Tables for the daily Reference Station predictions. Same Format used in the Published Tide Tables for the daily Reference Station predictions. 3 Months of predictions per page. 3 Months of predictions per page. Provided as printed page or on electronic media as PostScript file or PDF file. Provided as printed page or on electronic media as PostScript file or PDF file. Can be adjusted to show AM/PM Time and Daylight Saving Time.

Custom Tidal Current Predictions 3 Formats available for daily high/low tide predictions 3 Formats available for daily high/low tide predictions International Format International Format Standard Page Format Standard Page Format Manuscript Format Manuscript Format 1 Options available for daily high/low tide predictions 1 Options available for daily high/low tide predictions Standard Time – or – with Daylight Saving Time adjustment Standard Time – or – with Daylight Saving Time adjustment (All times are listed in 24-Hour Clock)

International Format A format based on recommendations by the IHO (International Hydrographic Organization) for the exchange of tide prediction data between countries. A format based on recommendations by the IHO (International Hydrographic Organization) for the exchange of tide prediction data between countries. Data is provided as columns of numbers, all fields are “fixed field width”. Data is provided as columns of numbers, all fields are “fixed field width”. One line of data per day of predictions One line of data per day of predictions Each tidal current phase listed sequentially, starting with Slack. Each tidal current phase listed sequentially, starting with Slack. Only an electronic media Only an electronic media Station IDDate Month Year Slack Time, Max Time, Speed Format (i4, i4, f5.1) Sequence number Can be adjusted for Daylight Saving Time

Standard Page Format Designed as a “page readable format”. Designed as a “page readable format”. Includes headers with station name, months, days of the week, Flood and Ebb directions, and notations as to time reference used. Includes headers with station name, months, days of the week, Flood and Ebb directions, and notations as to time reference used. Times and speeds of current listed sequentially across the page. Times and speeds of current listed sequentially across the page. Provided on electronic media or printed page. Provided on electronic media or printed page. Can be adjusted for Daylight Saving Time

Manuscript Format Same Format used in the Published Tidal Current Tables for the daily Reference Station predictions. Same Format used in the Published Tidal Current Tables for the daily Reference Station predictions. 3 Months of predictions per page. 3 Months of predictions per page. Provided as printed page or on electronic media as PostScript file or PDF file. Provided as printed page or on electronic media as PostScript file or PDF file. Can be adjusted for Daylight Saving Time

Interval predictions Tide and Tidal Current predictions can be generated on an interval basis. Tide and Tidal Current predictions can be generated on an interval basis. Intervals available are: 5, 6, 10, 12, 15, 20, 30, and 60 minute. Intervals available are: 5, 6, 10, 12, 15, 20, 30, and 60 minute. Formats will vary dependant on the interval selected. Formats will vary dependant on the interval selected. Tidal Reference Stations can be generated directly, all others must be inferred from high/low predictions or max/min current predictions. Tidal Reference Stations can be generated directly, all others must be inferred from high/low predictions or max/min current predictions.

NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES 17 NOAA Electronic Version Enhancement of Hard Copy Tide Tables 2011 NOAA Tide Predictions: Pass Christian Yacht Club, Mississippi Sound (Reference station: South Pass, Corrections Applied: Times: High +2 hr. 36 min., Low +2 hr. 4 min., Heights: High *1.37, Low *1.37)

NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES 18 NOAA Electronic Version Enhancement of Hard Copy Tide Tables

NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES 19 Graphical Tide Tables

NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES 20 Graphical Tide Tables

NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES 21

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