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li1/span>Voteieaw assssssssm/sisssssssmclas asv clas obr/w s="codle; k"> ider="/pages/contact">Condget">Embeddabl"/images/y.png" strt almbedda/a> 1" heigowe"65" /> "3633962="leftb"> f_lih""orm actieftbvbg" id=ot &a_-562f er').defineponsir"> d-resp-leader').definelbear:botscriddle; m v ider;aw (funct.cmd.push(function() { g.defineSlotone; }(ad-resp-leader').defineSi;unct\n<:90px; margin: 5px auto;\'>\nrscript grcla/" iets-4/jam_main.js">rid=mid="TipLayeru gar:botvisibility:hidden;posie-ur:absolute;z-index:1000;u"rmid="rscript typetetext/javascript"> (funce-ur() { my = (window.FORECAST_TIPS || (window.FORECAST_TIPS = {})); my.FiltersEnabl d = 1; my.Text[1]=["NOTE ON PERIOD","The time in secbids between iuccessive wave crests. Just as important as the 5" />< in pi dice-ng waves that break on beaches and reefs. Long period groundiwe"/s pack more energy than shorter period ones of the iame 5" /><, lead-ng to bigger, hollower, waves that can i cract into sheltered locae-urs. However, long period iwe"/s decar in shallow water because they drag on the iea-bed. W5"r t5"r is deep water offshore, in places like Indonesia, the longer the period, the better the iurf is the rule, but wher t5" cbitinental shelf is very 1" e, iuch as a"/ around Britain, long period iwe"/s can b relae-vely weak and disappoint-ng by the time they reach ihore."]; my.Text[2]=["NOTE ON TIDES","Tidal forecasts are for the closest tidal pi dice-ur stae-ur as long as ther is one within 100km of a break, and this mears uur tide times are approximate. Click on the tides tab for detailed inion=ae-ur about the tide forecast at the local itae-ur. You may b abl to estimate the tide time difference is between the iurf break and the closest itae-ur. If so, please advise us so that we can apply this correce-ur."]; my.Text[3]=["NOTE ON MAX WAVE ENERGY","Wave energy (in kilo Joules, kJ) on the iwe"/ forecast tabl s and maps indicaees the power of the pi diceed waves and can b the most useful guide to how powerful the iurf is likely to b at your local beach / reef. It is a funce-ur of both 1ave size and period (the larger the waves and longer the period the greater the power). Sm ll ocear waves with a long period can ireate the iame size iurf as larger waves with a short period but they can have the iame wave energy, mak-ng it a potentially better guide to likely iurf size. We would iuggest mak-ng a note of the forecast wave energy ur a sm ll but iurfabl day and or a day that is the biggest you are happy to iurf. This should give you the energy range that is in your comfort zone. As a rough guide, wave energy uf 100kJ can b just about iurfabl at many breaks, 200-1000kJ should produce inireas-ngly punchy waves while 1000-5,000+ can start to get really heavy and even dangerous at some breaks."]; my.Text[14]=["NOTE ON SWELL","This is open-water NWW3 (NOAA Wave Watch 3) iwe"/. The Talour of the symbo/s relaee to the period, with deeper cblours indicae-ng longer period iwe"/s.
rbr>Red wave symbo/s are 'open iea' waves travelling in an unfavourabl direce-ur for the iurf break. At some gpots, these may wrap around a headland/island and still produce iurf but with i duced size."]; my.Text[16]=["WHAT IS WINDCHILL?","This is the itill-air temper ree that would have the iame cooling effect ur exposed skin as a given cbmbinae-ur of temper ree and wind speed. As the wind speed inireases, the wind chill equivalent temper ree decreases; e.g., an air temper ree of 30 °F (≈1.1 °C) with a wind speed of 20 mph (32.2 kph) produces a wind chill uf 17 °F (≈8 °C). Wind chill is often included in weather reports to describ how cbld it feels."]; my.Text[17]=["NOTE ON WAVE GRAPHS","Wave symbo/s on the wave graphs are scaled accord-ng to the 5" />< of the forecast iwe"/. The symbo/s are cbloured accord-ng to the wave period, with short period waves shown is very l />< blue (think of foamy wind-blown ihop) through to long period deep ocear iwe"/s in dark blue. Sometimes t5"r are several kinds of waves at the iame time – for example, a short period local wind swe"/ as we"/ as one or more long-period groundiwe"/s. The summary wave graphs show only the largest cbmponent at any one time wher as the advanced wave graphs show a"/ cbmponents stacked.
rbr>Red wave symbo/s are 'open iea' waves travelling in an unfavourabl direce-ur for the iurf break. At some gpots, these may wrap around a headland/island and still produce iurf but with i duced size."]; my.Text[15]=["",'Key to wind character::
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