Tidal level Dorset Coast at Portland

Check for flood warnings in this area

Latest recorded level 0.57m at 11:30am Thursday 23 November 2017.

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
0.572 false
0.684 false
0.73 false
0.845 false
0.929 false
0.968 false
1.026 false
1.077 false
1.086 false
1.067 false
1.1 false
1.094 false
1.111 false
1.08 false
1 false
0.959 false
0.978 false
0.848 false
0.76 false
0.643 false
0.517 false
0.384 false
0.36 false
0.299 false
0.214 false
0.126 false
0.138 false
0.193 false
0.223 false
0.201 false
0.153 false
0.137 false
0.16 false
0.162 false
0.24 false
0.162 false
0.101 false
0.037 false
0.055 false
0.024 false
0.05 false
-0.03 false
0.063 false
0.114 false
0.214 false
0.281 false
0.341 false
0.522 false
0.678 false
0.735 false
0.82 false
0.893 false
0.993 false
1.122 false
1.164 false
1.222 false
1.164 false
1.2 false
1.244 false
1.28 false
1.235 false
1.223 false
1.184 false
1.164 false
1.103 false
1.009 false
0.926 false
0.828 false
0.645 false
0.563 false
0.455 false
0.329 false
0.222 false
0.175 false
0.114 false
0.079 false
0.097 false
0.098 false
0.102 false
0.086 false
0.064 false
0.047 false
0.041 false
0.022 false
0.02 false
0 false
-0.062 false
-0.126 false
-0.182 false
-0.157 false
-0.12 false
-0.069 false
0.01 false
0.116 false
0.223 false
0.332 false
0.466 false
0.563 false
0.684 false
0.812 false
0.907 false
0.988 false
1.072 false
1.138 false
1.185 false
1.223 false
1.248 false
1.233 false
1.247 false
1.229 false
1.194 false
1.18 false
1.141 false
1.04 false
0.94 false
0.836 false
0.707 false
0.588 false
0.469 false
0.337 false
0.21 false
0.096 false
0.001 false
-0.026 false
-0.027 false
-0.039 false
-0.048 false
-0.03 false
-0.03 false
-0.025 false
-0.06 false
-0.071 false
-0.088 false
-0.125 false
-0.174 false
-0.251 false
-0.323 false
-0.387 false
-0.398 false
-0.358 false
-0.268 false
-0.169 false
-0.049 false
0.068 false
0.186 false
0.331 false
0.456 false
0.562 false
0.666 false
0.757 false
0.851 false
0.944 false
0.982 false
1.034 false
1.068 false
1.072 false
1.083 false
1.097 false
1.078 false
1.062 false
1.016 false
0.959 false
0.882 false
0.769 false
0.638 false
0.505 false
0.363 false
0.227 false
0.081 false
-0.039 false
-0.137 false
-0.249 false
-0.291 false
-0.299 false
-0.282 false
-0.244 false
-0.229 false
-0.201 false
-0.179 false
-0.178 false
-0.175 false
-0.182 false
-0.202 false
-0.2 false
-0.239 false
-0.325 false
-0.399 false
-0.41 false
-0.356 false
-0.256 false
-0.168 false
-0.05 false
0.087 false
0.206 false
0.359 false
0.503 false
0.624 false
0.734 false
0.867 false
0.956 false
1.036 false
1.124 false
1.182 false
1.223 false
1.251 false
1.27 false
1.259 false
1.289 false
1.279 false
1.235 false
1.152 false
1.074 false
0.973 false
0.836 false
0.836 false
0.689 false
0.689 false
0.544 false
0.544 false
0.399 false
0.399 false
0.252 false
0.252 false
0.12 false
0.12 false
-0.005 false
-0.005 false
-0.098 false
-0.098 false
-0.156 false
-0.156 false
-0.169 false
-0.169 false
-0.16 false
-0.16 false
-0.136 false
-0.136 false
-0.132 false
-0.132 false
-0.101 false
-0.101 false
-0.089 false
-0.089 false
-0.105 false
-0.105 false
-0.137 false
-0.137 false
-0.165 false
-0.165 false
-0.161 false
-0.161 false
-0.21 false
-0.21 false
-0.303 false
-0.303 false
-0.404 false
-0.404 false
-0.466 false
-0.466 false
-0.488 false
-0.488 false
-0.45 false
-0.45 false
-0.371 false
-0.371 false
-0.275 false
-0.275 false
-0.144 false
-0.144 false
-0.013 false
-0.013 false
0.11 false
0.11 false
0.244 false
0.244 false
0.382 false
0.382 false
0.52 false
0.52 false
0.621 false
0.621 false
0.729 false
0.729 false
0.812 false
0.812 false
0.891 false
0.891 false
0.945 false
0.945 false
0.998 false
0.998 false
1.039 false
1.039 false
1.05 false
1.05 false
1.057 false
1.057 false
1.061 false
1.061 false
1.041 false
1.041 false
1.012 false
1.012 false
1.004 false
1.004 false
0.93 false
0.93 false
0.852 false
0.852 false
0.727 false
0.727 false
0.591 false
0.591 false
0.44 false
0.44 false
0.293 false
0.293 false
0.15 false
0.15 false
-0.008 false
-0.008 false
-0.15 false
-0.15 false
-0.313 false
-0.313 false
-0.404 false
-0.404 false
-0.452 false
-0.452 false
-0.464 false
-0.464 false
-0.436 false
-0.436 false
-0.405 false
-0.405 false
-0.378 false
-0.378 false
-0.357 false
-0.357 false
-0.34 false
-0.34 false
-0.339 false
-0.339 false
-0.316 false
-0.316 false
-0.312 false
-0.312 false
-0.299 false
-0.299 false
-0.355 false
-0.355 false
-0.442 false
-0.442 false
-0.49 false
-0.49 false
-0.536 false
-0.536 false
-0.551 false
-0.551 false
-0.509 false
-0.509 false
-0.384 false
-0.384 false
-0.298 false
-0.298 false
-0.161 false
-0.161 false
0.004 false
0.004 false
0.164 false
0.164 false
0.317 false
0.317 false
0.471 false
0.471 false
0.596 false
0.596 false
0.724 false
0.724 false
0.852 false
0.852 false
0.947 false
0.947 false
1.028 false
1.028 false
1.087 false
1.087 false
1.139 false
1.139 false
1.168 false
1.188 false
1.196 false
1.187 false
1.16 false
1.153 false
1.1 false
1.018 false
0.923 false
0.825 false
0.671 false
0.515 false
0.331 false
0.19 false
0.045 false
-0.1 false
-0.227 false
-0.316 false
-0.364 false
-0.381 false
-0.346 false
-0.337 false
-0.335 false
-0.308 false
-0.276 false
-0.299 false
-0.328 false
-0.315 false
-0.323 false
-0.373 false
-0.482 false
-0.562 false
-0.613 false
-0.629 false
-0.571 false
-0.484 false
-0.357 false
-0.227 false
-0.091 false
0.05 false
0.214 false
0.373 false
0.499 false
0.643 false
0.762 false
0.855 false
0.963 false
1.032 false
1.088 false
1.128 false
1.156 false
1.179 false
1.16 false
1.165 false
1.131 false
1.083 false
1.029 false
0.931 false
0.783 false
0.63 false
0.458 false
0.299 false
0.152 false
-0.009 false
-0.161 false
-0.277 false
-0.361 false
-0.379 false
-0.384 false
-0.358 false
-0.316 false
-0.3 false
-0.276 false
-0.237 false
-0.231 false
-0.234 false
-0.22 false
-0.218 false
-0.255 false
-0.323 false
-0.407 false
-0.473 false
-0.488 false
-0.476 false
-0.379 false
-0.258 false
-0.13 false
0.016 false
0.166 false
0.317 false
0.466 false
0.624 false
0.767 false
0.882 false
0.984 false
1.078 false
1.146 false
1.209 false
1.26 false
1.289 false
1.3 false
1.296 false
1.296 false
1.27 false
1.237 false
1.16 false
1.051 false
0.92 false
0.764 false
0.597 false
0.433 false
0.268 false
0.097 false
-0.056 false
-0.186 false
-0.271 false
-0.319 false
-0.313 false
-0.286 false
-0.249 false
-0.214 false
-0.198 false
-0.169 false
-0.151 false
-0.14 false
-0.127 false
-0.118 false
-0.147 false
-0.228 false
-0.312 false
-0.383 false
-0.432 false
-0.403 false
-0.332 false
-0.217 false
-0.085 false
0.04 false
0.175 false
0.333 false
0.5 false
0.626 false
0.743 false
0.862 false
0.954 false
1.037 false
1.094 false
1.155 false
1.186 false
1.206 false
1.212 false
1.202 false
1.173 false
1.144 false
1.114 false
1.048 false
0.944 false
0.806 false
0.654 false
0.486 false
0.315 false
0.137 false
-0.031 false
-0.177 false
-0.32 false
-0.421 false
-0.465 false
-0.499 false
-0.482 false
-0.441 false
-0.409 false
-0.393 false
-0.369 false
-0.359 false
-0.357 false
-0.349 false
-0.333 false
-0.368 false
-0.42 false
-0.503 false
-0.58 false
-0.604 false
-0.576 false
-0.508 false
-0.383 false
-0.26 false
-0.108 false
0.039 false
0.192 false
0.349 false
0.474 false

Forecast data




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