20 (水)	06:19	12:17	18:18	-
	148cm	45cm	147cm	-
中潮 出 06:23 入 17:29 出 19:49 入 07:01

岩井袋（千葉）2030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	24.9	↓-0.2
2/20 00:10	25.1	↑0.2
2/20 00:20	25.8	↑0.7
2/20 00:30	26.8	↑1.0
2/20 00:40	28.3	↑1.5
2/20 00:50	30.2	↑1.9
2/20 01:00	32.5	↑2.3
2/20 01:10	35.1	↑2.6
2/20 01:20	38.1	↑3.0
2/20 01:30	41.5	↑3.4
2/20 01:40	45.1	↑3.6
2/20 01:50	49.0	↑3.9
2/20 02:00	53.2	↑4.2
2/20 02:10	57.7	↑4.5
2/20 02:20	62.3	↑4.6
2/20 02:30	67.0	↑4.7
2/20 02:40	71.9	↑4.9
2/20 02:50	77.0	↑5.1	最大潮位差
2/20 03:00	82.0	↑5.0
2/20 03:10	87.1	↑5.1	最大潮位差
2/20 03:20	92.2	↑5.1	最大潮位差
2/20 03:30	97.2	↑5.0
2/20 03:40	102.2	↑5.0
2/20 03:50	107.0	↑4.8
2/20 04:00	111.7	↑4.7
2/20 04:10	116.2	↑4.5
2/20 04:20	120.5	↑4.3
2/20 04:30	124.5	↑4.0
2/20 04:40	128.3	↑3.8
2/20 04:50	131.8	↑3.5
2/20 05:00	135.0	↑3.2
2/20 05:10	137.8	↑2.8
2/20 05:20	140.3	↑2.5
2/20 05:30	142.4	↑2.1
2/20 05:40	144.1	↑1.7
2/20 05:50	145.5	↑1.4
2/20 06:00	146.4	↑0.9
2/20 06:10	146.9	↑0.5	満潮
2/20 06:20	147.0	↑0.1
2/20 06:30	146.7	↓-0.3
2/20 06:40	146.0	↓-0.7
2/20 06:50	144.9	↓-1.1
2/20 07:00	143.5	↓-1.4
2/20 07:10	141.6	↓-1.9
2/20 07:20	139.4	↓-2.2
2/20 07:30	136.9	↓-2.5
2/20 07:40	134.0	↓-2.9
2/20 07:50	130.8	↓-3.2
2/20 08:00	127.4	↓-3.4
2/20 08:10	123.8	↓-3.6
2/20 08:20	119.9	↓-3.9
2/20 08:30	115.8	↓-4.1
2/20 08:40	111.6	↓-4.2
2/20 08:50	107.3	↓-4.3
2/20 09:00	102.9	↓-4.4
2/20 09:10	98.4	↓-4.5
2/20 09:20	93.9	↓-4.5
2/20 09:30	89.4	↓-4.5
2/20 09:40	85.0	↓-4.4
2/20 09:50	80.7	↓-4.3
2/20 10:00	76.5	↓-4.2
2/20 10:10	72.4	↓-4.1
2/20 10:20	68.5	↓-3.9
2/20 10:30	64.8	↓-3.7
2/20 10:40	61.4	↓-3.4
2/20 10:50	58.2	↓-3.2
2/20 11:00	55.3	↓-2.9
2/20 11:10	52.7	↓-2.6
2/20 11:20	50.4	↓-2.3
2/20 11:30	48.5	↓-1.9
2/20 11:40	47.0	↓-1.5
2/20 11:50	45.8	↓-1.2
2/20 12:00	45.0	↓-0.8
2/20 12:10	44.5	↓-0.5	干潮
2/20 12:20	44.5	0
2/20 12:30	44.8	↑0.3
2/20 12:40	45.6	↑0.8
2/20 12:50	46.7	↑1.1
2/20 13:00	48.1	↑1.4
2/20 13:10	50.0	↑1.9
2/20 13:20	52.2	↑2.2
2/20 13:30	54.7	↑2.5
2/20 13:40	57.5	↑2.8
2/20 13:50	60.6	↑3.1
2/20 14:00	64.0	↑3.4
2/20 14:10	67.6	↑3.6
2/20 14:20	71.4	↑3.8
2/20 14:30	75.4	↑4.0
2/20 14:40	79.6	↑4.2
2/20 14:50	83.9	↑4.3
2/20 15:00	88.2	↑4.3
2/20 15:10	92.7	↑4.5
2/20 15:20	97.1	↑4.4
2/20 15:30	101.6	↑4.5
2/20 15:40	106.0	↑4.4
2/20 15:50	110.3	↑4.3
2/20 16:00	114.5	↑4.2
2/20 16:10	118.6	↑4.1
2/20 16:20	122.4	↑3.8
2/20 16:30	126.1	↑3.7
2/20 16:40	129.6	↑3.5
2/20 16:50	132.8	↑3.2
2/20 17:00	135.7	↑2.9
2/20 17:10	138.3	↑2.6
2/20 17:20	140.6	↑2.3
2/20 17:30	142.6	↑2.0
2/20 17:40	144.2	↑1.6
2/20 17:50	145.4	↑1.2
2/20 18:00	146.2	↑0.8
2/20 18:10	146.7	↑0.5	満潮
2/20 18:20	146.8	↑0.1
2/20 18:30	146.4	↓-0.4
2/20 18:40	145.7	↓-0.7
2/20 18:50	144.6	↓-1.1
2/20 19:00	143.1	↓-1.5
2/20 19:10	141.3	↓-1.8
2/20 19:20	139.0	↓-2.3
2/20 19:30	136.5	↓-2.5
2/20 19:40	133.6	↓-2.9
2/20 19:50	130.4	↓-3.2
2/20 20:00	126.9	↓-3.5
2/20 20:10	123.2	↓-3.7
2/20 20:20	119.2	↓-4.0
2/20 20:30	115.1	↓-4.1
2/20 20:40	110.7	↓-4.4
2/20 20:50	106.2	↓-4.5
2/20 21:00	101.6	↓-4.6
2/20 21:10	97.0	↓-4.6
2/20 21:20	92.3	↓-4.7
2/20 21:30	87.5	↓-4.8
2/20 21:40	82.8	↓-4.7
2/20 21:50	78.2	↓-4.6
2/20 22:00	73.6	↓-4.6
2/20 22:10	69.2	↓-4.4
2/20 22:20	64.9	↓-4.3
2/20 22:30	60.8	↓-4.1
2/20 22:40	56.9	↓-3.9
2/20 22:50	53.3	↓-3.6
2/20 23:00	49.9	↓-3.4
2/20 23:10	46.8	↓-3.1
2/20 23:20	44.1	↓-2.7
2/20 23:30	41.7	↓-2.4
2/20 23:40	39.6	↓-2.1
2/20 23:50	37.9	↓-1.7