Tidal level Dorset Coast at Portland

Check for flood warnings in this area

Latest recorded level -1.00m at 4:00pm Thursday 21 March 2019.

Tidal levels at this location in the last 5 days

Now
  • Measured level
  • Highest astronomical tide prediction 2.01m

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Observed data

DateTime Value Error
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1 false
-1.001 false
-1.001 false
-0.995 false
-0.943 false
-0.921 false
-0.971 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-0.94 false
-0.754 false
-0.531 false
-0.305 false
-0.095 false
0.126 false
0.348 false
0.539 false
0.7 false
0.861 false
0.991 false
1.107 false
1.18 false
1.236 false
1.252 false
1.258 false
1.272 false
1.273 false
1.243 false
1.208 false
1.158 false
1.095 false
0.983 false
0.841 false
0.678 false
0.474 false
0.243 false
0.009 false
-0.227 false
-0.459 false
-0.673 false
-0.866 false
-0.986 false
-1 false
-1.001 false
-0.996 false
-0.951 false
-0.923 false
-0.885 false
-0.854 false
-0.828 false
-0.812 false
-0.787 false
-0.76 false
-0.789 false
-0.878 false
-0.951 false
-0.99 false
-0.975 false
-0.872 false
-0.715 false
-0.528 false
-0.311 false
-0.111 false
0.081 false
0.278 false
0.458 false
0.617 false
0.759 false
0.889 false
0.982 false
1.069 false
1.114 false
1.154 false
1.176 false
1.186 false
1.191 false
1.18 false
1.139 false
1.091 false
1.023 false
0.941 false
0.808 false
0.634 false
0.429 false
0.206 false
-0.024 false
-0.245 false
-0.483 false
-0.689 false
-0.886 false
-1.001 false
-1 false
-1.001 false
-1.001 false
-1.001 false
-1 false
-0.946 false
-0.918 false
-0.862 false
-0.817 false
-0.791 false
-0.764 false
-0.728 false
-0.754 false
-0.804 false
-0.884 false
-0.941 false
-0.887 false
-0.778 false
-0.631 false
-0.47 false
-0.281 false
-0.096 false
0.084 false
0.278 false
0.446 false
0.592 false
0.738 false
0.873 false
0.958 false
1.03 false
1.081 false
1.124 false
1.138 false
1.166 false
1.17 false
1.147 false
1.117 false
1.089 false
1.023 false
0.959 false
0.85 false
0.692 false
0.503 false
0.325 false
0.114 false
-0.104 false
-0.286 false
-0.458 false
-0.609 false
-0.723 false
-0.8 false
-0.809 false
-0.783 false
-0.73 false
-0.715 false
-0.69 false
-0.666 false
-0.654 false
-0.638 false
-0.622 false
-0.588 false
-0.624 false
-0.691 false
-0.751 false
-0.801 false
-0.82 false
-0.76 false
-0.659 false
-0.521 false
-0.372 false
-0.197 false
-0.033 false
0.126 false
0.266 false
0.406 false
0.525 false
0.644 false
0.726 false
0.808 false
0.851 false
0.889 false
0.913 false
0.922 false
0.941 false
0.933 false
0.912 false
0.873 false
0.824 false
0.749 false
0.667 false
0.537 false
-0.06 false
0.078 false
0.204 false
0.339 false
0.466 false
0.571 false
0.665 false
0.743 false
0.811 false
0.856 false
0.892 false
0.943 false
0.948 false
0.941 false
0.937 false
0.909 false
0.875 false
0.821 false
0.749 false
0.643 false
0.502 false
0.365 false
0.193 false
0.044 false
-0.101 false
-0.235 false
-0.352 false
-0.442 false
-0.5 false
-0.527 false
-0.53 false
-0.511 false
-0.487 false
-0.461 false
-0.443 false
-0.45 false
-0.456 false
-0.452 false
-0.438 false
-0.468 false
-0.506 false
-0.549 false
-0.6 false
-0.602 false
-0.598 false
-0.565 false
-0.474 false
-0.355 false
-0.249 false
-0.13 false
-0.007 false
0.103 false
0.205 false
0.315 false
0.384 false
0.462 false
0.552 false
0.614 false
0.642 false
0.661 false
0.714 false
0.753 false
0.778 false
0.754 false
0.748 false
0.743 false
0.677 false
0.629 false
0.543 false
0.438 false
0.323 false
0.178 false
0.048 false
-0.09 false
-0.208 false
-0.319 false
-0.4 false
-0.467 false
-0.495 false
-0.506 false
-0.496 false
-0.46 false
-0.41 false
-0.352 false
-0.333 false
-0.298 false
-0.265 false
-0.259 false
-0.265 false
-0.253 false
-0.271 false
-0.304 false
-0.332 false
-0.366 false
-0.388 false
-0.364 false
-0.306 false
-0.252 false
-0.166 false
-0.093 false
0.009 false
0.1 false
0.175 false
0.26 false
0.328 false
0.399 false
0.476 false
0.518 false
0.564 false
0.614 false
0.642 false
0.686 false
0.693 false
0.708 false
0.733 false
0.719 false
0.711 false
0.692 false
0.628 false
0.558 false
0.46 false
0.352 false
0.271 false
0.174 false
0.079 false
-0.023 false
-0.075 false
-0.11 false
-0.175 false
-0.201 false
-0.169 false
-0.138 false
-0.114 false
-0.083 false
-0.057 false
-0.026 false
-0.033 false
-0.02 false
-0.031 false
-0.021 false
-0.052 false
-0.093 false
-0.097 false
-0.175 false
-0.187 false
-0.165 false
-0.129 false
-0.086 false
-0.09 false
-0.014 false
0.056 false
0.131 false
0.211 false
0.281 false
0.301 false
0.363 false
0.416 false
0.424 false
0.468 false
0.533 false
0.553 false
0.619 false
0.63 false
0.675 false
0.652 false
0.673 false
0.659 false
0.692 false
0.644 false
0.586 false
0.512 false
0.42 false
0.33 false
0.251 false
0.189 false
0.111 false
0.064 false
-0.004 false
-0.071 false
-0.065 false
-0.075 false
-0.088 false
-0.052 false
-0.047 false
-0.018 false
0.035 false
0.058 false
0.03 false
0.025 false
0.028 false
-0.005 false
-0.033 false
-0.058 false
-0.109 false
-0.133 false
-0.144 false
-0.169 false
-0.141 false
-0.13 false
-0.088 false
-0.041 false
0.044 false
0.055 false
0.099 false
0.148 false
0.223 false
0.255 false
0.301 false
0.364 false
0.404 false
0.412 false
0.441 false
0.475 false
0.531 false
0.556 false
0.543 false
0.548 false
0.564 false
0.533 false
0.497 false
0.538 false
0.502 false
0.419 false
0.391 false
0.304 false
0.233 false
0.235 false
0.23 false
0.197 false
0.127 false
0.066 false
0.032 false
0.078 false
0.162 false
0.163 false
0.123 false
0.13 false
0.092 false
0.083 false
0.093 false
0.132 false
0.153 false
0.084 false
0.053 false
0.05 false
0.058 false
0.091 false
0.088 false
0.099 false
0.154 false
0.192 false
0.209 false
0.219 false
0.289 false
0.327 false
0.349 false
0.364 false
0.392 false

Forecast data




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