20 (月)	05:43	11:07	16:33	23:22
	145cm	80cm	147cm	7cm
大潮 出 06:23 入 17:29 出 06:34 入 17:20

岩井袋（千葉）2023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	17.1	↑2.7
2/20 00:10	20.1	↑3.0
2/20 00:20	23.5	↑3.4
2/20 00:30	27.2	↑3.7
2/20 00:40	31.1	↑3.9
2/20 00:50	35.3	↑4.2
2/20 01:00	39.8	↑4.5
2/20 01:10	44.5	↑4.7
2/20 01:20	49.3	↑4.8
2/20 01:30	54.3	↑5.0
2/20 01:40	59.5	↑5.2
2/20 01:50	64.7	↑5.2
2/20 02:00	69.9	↑5.2
2/20 02:10	75.2	↑5.3
2/20 02:20	80.5	↑5.3
2/20 02:30	85.8	↑5.3
2/20 02:40	91.0	↑5.2
2/20 02:50	96.0	↑5.0
2/20 03:00	101.0	↑5.0
2/20 03:10	105.8	↑4.8
2/20 03:20	110.4	↑4.6
2/20 03:30	114.8	↑4.4
2/20 03:40	118.9	↑4.1
2/20 03:50	122.9	↑4.0
2/20 04:00	126.5	↑3.6
2/20 04:10	129.8	↑3.3
2/20 04:20	132.8	↑3.0
2/20 04:30	135.5	↑2.7
2/20 04:40	137.9	↑2.4
2/20 04:50	139.9	↑2.0
2/20 05:00	141.5	↑1.6
2/20 05:10	142.8	↑1.3
2/20 05:20	143.8	↑1.0
2/20 05:30	144.4	↑0.6
2/20 05:40	144.6	↑0.2	満潮
2/20 05:50	144.5	↓-0.1
2/20 06:00	144.0	↓-0.5
2/20 06:10	143.2	↓-0.8
2/20 06:20	142.2	↓-1.0
2/20 06:30	140.8	↓-1.4
2/20 06:40	139.1	↓-1.7
2/20 06:50	137.2	↓-1.9
2/20 07:00	135.0	↓-2.2
2/20 07:10	132.6	↓-2.4
2/20 07:20	130.1	↓-2.5
2/20 07:30	127.3	↓-2.8
2/20 07:40	124.5	↓-2.8
2/20 07:50	121.5	↓-3.0
2/20 08:00	118.4	↓-3.1
2/20 08:10	115.3	↓-3.1
2/20 08:20	112.2	↓-3.1
2/20 08:30	109.0	↓-3.2
2/20 08:40	105.9	↓-3.1
2/20 08:50	102.9	↓-3.0
2/20 09:00	99.9	↓-3.0
2/20 09:10	97.1	↓-2.8
2/20 09:20	94.4	↓-2.7
2/20 09:30	91.8	↓-2.6
2/20 09:40	89.4	↓-2.4
2/20 09:50	87.3	↓-2.1
2/20 10:00	85.3	↓-2.0
2/20 10:10	83.6	↓-1.7
2/20 10:20	82.2	↓-1.4
2/20 10:30	81.0	↓-1.2
2/20 10:40	80.1	↓-0.9
2/20 10:50	79.5	↓-0.6
2/20 11:00	79.2	↓-0.3	干潮
2/20 11:10	79.2	0
2/20 11:20	79.4	↑0.2
2/20 11:30	80.0	↑0.6
2/20 11:40	80.9	↑0.9
2/20 11:50	82.0	↑1.1
2/20 12:00	83.4	↑1.4
2/20 12:10	85.1	↑1.7
2/20 12:20	87.0	↑1.9
2/20 12:30	89.2	↑2.2
2/20 12:40	91.5	↑2.3
2/20 12:50	94.1	↑2.6
2/20 13:00	96.8	↑2.7
2/20 13:10	99.7	↑2.9
2/20 13:20	102.7	↑3.0
2/20 13:30	105.8	↑3.1
2/20 13:40	109.0	↑3.2
2/20 13:50	112.2	↑3.2
2/20 14:00	115.4	↑3.2
2/20 14:10	118.6	↑3.2
2/20 14:20	121.7	↑3.1
2/20 14:30	124.8	↑3.1
2/20 14:40	127.8	↑3.0
2/20 14:50	130.7	↑2.9
2/20 15:00	133.4	↑2.7
2/20 15:10	135.9	↑2.5
2/20 15:20	138.2	↑2.3
2/20 15:30	140.2	↑2.0
2/20 15:40	142.0	↑1.8
2/20 15:50	143.5	↑1.5
2/20 16:00	144.8	↑1.3
2/20 16:10	145.7	↑0.9
2/20 16:20	146.3	↑0.6
2/20 16:30	146.5	↑0.2	満潮
2/20 16:40	146.4	↓-0.1
2/20 16:50	145.9	↓-0.5
2/20 17:00	145.1	↓-0.8
2/20 17:10	143.9	↓-1.2
2/20 17:20	142.3	↓-1.6
2/20 17:30	140.4	↓-1.9
2/20 17:40	138.1	↓-2.3
2/20 17:50	135.4	↓-2.7
2/20 18:00	132.4	↓-3.0
2/20 18:10	129.1	↓-3.3
2/20 18:20	125.5	↓-3.6
2/20 18:30	121.6	↓-3.9
2/20 18:40	117.4	↓-4.2
2/20 18:50	112.9	↓-4.5
2/20 19:00	108.3	↓-4.6
2/20 19:10	103.4	↓-4.9
2/20 19:20	98.4	↓-5.0
2/20 19:30	93.2	↓-5.2
2/20 19:40	87.9	↓-5.3
2/20 19:50	82.6	↓-5.3
2/20 20:00	77.2	↓-5.4
2/20 20:10	71.7	↓-5.5	最大潮位差
2/20 20:20	66.3	↓-5.4
2/20 20:30	61.0	↓-5.3
2/20 20:40	55.7	↓-5.3
2/20 20:50	50.6	↓-5.1
2/20 21:00	45.6	↓-5.0
2/20 21:10	40.8	↓-4.8
2/20 21:20	36.2	↓-4.6
2/20 21:30	31.9	↓-4.3
2/20 21:40	27.8	↓-4.1
2/20 21:50	24.1	↓-3.7
2/20 22:00	20.6	↓-3.5
2/20 22:10	17.5	↓-3.1
2/20 22:20	14.8	↓-2.7
2/20 22:30	12.5	↓-2.3
2/20 22:40	10.5	↓-2.0
2/20 22:50	9.0	↓-1.5
2/20 23:00	7.9	↓-1.1
2/20 23:10	7.2	↓-0.7
2/20 23:20	7.0	↓-0.2	干潮
2/20 23:30	7.2	↑0.2
2/20 23:40	7.8	↑0.6
2/20 23:50	8.8	↑1.0