20 (木)	09:30	02:37	21:18	15:19
	342cm	12cm	313cm	89cm
大潮 出 06:50 入 17:58 出 05:24 入 16:31

波止浜（愛媛）2031年02月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/20 00:00	118.8	↓-12.1
2/20 00:10	107.1	↓-11.7
2/20 00:20	95.7	↓-11.4
2/20 00:30	84.7	↓-11.0
2/20 00:40	74.3	↓-10.4
2/20 00:50	64.5	↓-9.8
2/20 01:00	55.3	↓-9.2
2/20 01:10	47.0	↓-8.3
2/20 01:20	39.4	↓-7.6
2/20 01:30	32.7	↓-6.7
2/20 01:40	26.8	↓-5.9
2/20 01:50	21.9	↓-4.9
2/20 02:00	18.0	↓-3.9
2/20 02:10	15.0	↓-3.0
2/20 02:20	13.0	↓-2.0
2/20 02:30	11.9	↓-1.1	干潮
2/20 02:40	11.8	↓-0.1
2/20 02:50	12.6	↑0.8
2/20 03:00	14.4	↑1.8
2/20 03:10	17.1	↑2.7
2/20 03:20	20.7	↑3.6
2/20 03:30	25.2	↑4.5
2/20 03:40	30.5	↑5.3
2/20 03:50	36.6	↑6.1
2/20 04:00	43.5	↑6.9
2/20 04:10	51.1	↑7.6
2/20 04:20	59.4	↑8.3
2/20 04:30	68.3	↑8.9
2/20 04:40	77.9	↑9.6
2/20 04:50	88.0	↑10.1
2/20 05:00	98.6	↑10.6
2/20 05:10	109.7	↑11.1
2/20 05:20	121.1	↑11.4
2/20 05:30	132.9	↑11.8
2/20 05:40	144.9	↑12.0
2/20 05:50	157.1	↑12.2
2/20 06:00	169.4	↑12.3
2/20 06:10	181.8	↑12.4
2/20 06:20	194.2	↑12.4
2/20 06:30	206.5	↑12.3
2/20 06:40	218.7	↑12.2
2/20 06:50	230.7	↑12.0
2/20 07:00	242.4	↑11.7
2/20 07:10	253.7	↑11.3
2/20 07:20	264.6	↑10.9
2/20 07:30	275.0	↑10.4
2/20 07:40	284.9	↑9.9
2/20 07:50	294.2	↑9.3
2/20 08:00	302.8	↑8.6
2/20 08:10	310.7	↑7.9
2/20 08:20	317.8	↑7.1
2/20 08:30	324.1	↑6.3
2/20 08:40	329.5	↑5.4
2/20 08:50	334.0	↑4.5
2/20 09:00	337.5	↑3.5
2/20 09:10	340.0	↑2.5
2/20 09:20	341.4	↑1.4	満潮
2/20 09:30	341.9	↑0.5	満潮
2/20 09:40	341.2	↓-0.7
2/20 09:50	339.5	↓-1.7
2/20 10:00	336.7	↓-2.8
2/20 10:10	332.9	↓-3.8
2/20 10:20	328.0	↓-4.9
2/20 10:30	322.2	↓-5.8
2/20 10:40	315.4	↓-6.8
2/20 10:50	307.7	↓-7.7
2/20 11:00	299.2	↓-8.5
2/20 11:10	290.0	↓-9.2
2/20 11:20	280.1	↓-9.9
2/20 11:30	269.7	↓-10.4
2/20 11:40	258.8	↓-10.9
2/20 11:50	247.5	↓-11.3
2/20 12:00	236.0	↓-11.5
2/20 12:10	224.3	↓-11.7
2/20 12:20	212.6	↓-11.7
2/20 12:30	201.0	↓-11.6
2/20 12:40	189.5	↓-11.5
2/20 12:50	178.4	↓-11.1
2/20 13:00	167.6	↓-10.8
2/20 13:10	157.2	↓-10.4
2/20 13:20	147.4	↓-9.8
2/20 13:30	138.2	↓-9.2
2/20 13:40	129.7	↓-8.5
2/20 13:50	121.8	↓-7.9
2/20 14:00	114.8	↓-7.0
2/20 14:10	108.5	↓-6.3
2/20 14:20	103.1	↓-5.4
2/20 14:30	98.5	↓-4.6
2/20 14:40	94.8	↓-3.7
2/20 14:50	91.9	↓-2.9
2/20 15:00	90.0	↓-1.9
2/20 15:10	88.8	↓-1.2	干潮
2/20 15:20	88.6	↓-0.2
2/20 15:30	89.1	↑0.5
2/20 15:40	90.5	↑1.4
2/20 15:50	92.7	↑2.2
2/20 16:00	95.7	↑3.0
2/20 16:10	99.5	↑3.8
2/20 16:20	103.9	↑4.4
2/20 16:30	109.1	↑5.2
2/20 16:40	114.9	↑5.8
2/20 16:50	121.3	↑6.4
2/20 17:00	128.3	↑7.0
2/20 17:10	135.9	↑7.6
2/20 17:20	143.9	↑8.0
2/20 17:30	152.3	↑8.4
2/20 17:40	161.1	↑8.8
2/20 17:50	170.2	↑9.1
2/20 18:00	179.5	↑9.3
2/20 18:10	189.1	↑9.6
2/20 18:20	198.7	↑9.6
2/20 18:30	208.3	↑9.6
2/20 18:40	218.0	↑9.7
2/20 18:50	227.5	↑9.5
2/20 19:00	236.9	↑9.4
2/20 19:10	246.0	↑9.1
2/20 19:20	254.8	↑8.8
2/20 19:30	263.2	↑8.4
2/20 19:40	271.2	↑8.0
2/20 19:50	278.6	↑7.4
2/20 20:00	285.4	↑6.8
2/20 20:10	291.6	↑6.2
2/20 20:20	297.1	↑5.5
2/20 20:30	301.8	↑4.7
2/20 20:40	305.7	↑3.9
2/20 20:50	308.8	↑3.1
2/20 21:00	310.9	↑2.1
2/20 21:10	312.0	↑1.1	満潮
2/20 21:20	312.2	↑0.2
2/20 21:30	311.4	↓-0.8
2/20 21:40	309.5	↓-1.9
2/20 21:50	306.5	↓-3.0
2/20 22:00	302.6	↓-3.9
2/20 22:10	297.5	↓-5.1
2/20 22:20	291.5	↓-6.0
2/20 22:30	284.4	↓-7.1
2/20 22:40	276.3	↓-8.1
2/20 22:50	267.4	↓-8.9
2/20 23:00	257.5	↓-9.9
2/20 23:10	246.9	↓-10.6
2/20 23:20	235.5	↓-11.4
2/20 23:30	223.5	↓-12.0
2/20 23:40	210.9	↓-12.6
2/20 23:50	197.9	↓-13.0	最大潮位差