20 (水)	03:19	09:20	14:56	21:14
	138cm	69cm	126cm	40cm
中潮 出 05:04 入 18:18 出 03:44 入 15:17

岩井袋（千葉）2039年04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
4/20 00:00	91.3	↑3.7
4/20 00:10	95.0	↑3.7
4/20 00:20	98.7	↑3.7
4/20 00:30	102.3	↑3.6
4/20 00:40	105.9	↑3.6
4/20 00:50	109.3	↑3.4
4/20 01:00	112.6	↑3.3
4/20 01:10	115.8	↑3.2
4/20 01:20	118.8	↑3.0
4/20 01:30	121.6	↑2.8
4/20 01:40	124.2	↑2.6
4/20 01:50	126.7	↑2.5
4/20 02:00	128.9	↑2.2
4/20 02:10	130.8	↑1.9
4/20 02:20	132.5	↑1.7
4/20 02:30	134.0	↑1.5
4/20 02:40	135.2	↑1.2
4/20 02:50	136.1	↑0.9
4/20 03:00	136.7	↑0.6
4/20 03:10	137.1	↑0.4	満潮
4/20 03:20	137.1	0
4/20 03:30	137.0	↓-0.1
4/20 03:40	136.5	↓-0.5
4/20 03:50	135.8	↓-0.7
4/20 04:00	134.8	↓-1.0
4/20 04:10	133.5	↓-1.3
4/20 04:20	132.0	↓-1.5
4/20 04:30	130.3	↓-1.7
4/20 04:40	128.4	↓-1.9
4/20 04:50	126.3	↓-2.1
4/20 05:00	124.0	↓-2.3
4/20 05:10	121.6	↓-2.4
4/20 05:20	119.0	↓-2.6
4/20 05:30	116.3	↓-2.7
4/20 05:40	113.4	↓-2.9
4/20 05:50	110.5	↓-2.9
4/20 06:00	107.6	↓-2.9
4/20 06:10	104.6	↓-3.0
4/20 06:20	101.6	↓-3.0
4/20 06:30	98.6	↓-3.0
4/20 06:40	95.7	↓-2.9
4/20 06:50	92.8	↓-2.9
4/20 07:00	89.9	↓-2.9
4/20 07:10	87.2	↓-2.7
4/20 07:20	84.6	↓-2.6
4/20 07:30	82.1	↓-2.5
4/20 07:40	79.8	↓-2.3
4/20 07:50	77.6	↓-2.2
4/20 08:00	75.7	↓-1.9
4/20 08:10	73.9	↓-1.8
4/20 08:20	72.4	↓-1.5
4/20 08:30	71.0	↓-1.4
4/20 08:40	69.9	↓-1.1
4/20 08:50	69.1	↓-0.8
4/20 09:00	68.5	↓-0.6
4/20 09:10	68.1	↓-0.4	干潮
4/20 09:20	68.0	↓-0.1	干潮
4/20 09:30	68.2	↑0.2
4/20 09:40	68.5	↑0.3
4/20 09:50	69.2	↑0.7
4/20 10:00	70.1	↑0.9
4/20 10:10	71.2	↑1.1
4/20 10:20	72.5	↑1.3
4/20 10:30	74.0	↑1.5
4/20 10:40	75.7	↑1.7
4/20 10:50	77.6	↑1.9
4/20 11:00	79.7	↑2.1
4/20 11:10	81.9	↑2.2
4/20 11:20	84.3	↑2.4
4/20 11:30	86.7	↑2.4
4/20 11:40	89.3	↑2.6
4/20 11:50	91.9	↑2.6
4/20 12:00	94.5	↑2.6
4/20 12:10	97.2	↑2.7
4/20 12:20	99.8	↑2.6
4/20 12:30	102.5	↑2.7
4/20 12:40	105.1	↑2.6
4/20 12:50	107.6	↑2.5
4/20 13:00	110.1	↑2.5
4/20 13:10	112.4	↑2.3
4/20 13:20	114.6	↑2.2
4/20 13:30	116.6	↑2.0
4/20 13:40	118.5	↑1.9
4/20 13:50	120.2	↑1.7
4/20 14:00	121.6	↑1.4
4/20 14:10	122.9	↑1.3
4/20 14:20	123.9	↑1.0
4/20 14:30	124.7	↑0.8
4/20 14:40	125.2	↑0.5
4/20 14:50	125.5	↑0.3	満潮
4/20 15:00	125.5	0
4/20 15:10	125.2	↓-0.3
4/20 15:20	124.7	↓-0.5
4/20 15:30	123.8	↓-0.9
4/20 15:40	122.7	↓-1.1
4/20 15:50	121.4	↓-1.3
4/20 16:00	119.8	↓-1.6
4/20 16:10	117.9	↓-1.9
4/20 16:20	115.8	↓-2.1
4/20 16:30	113.5	↓-2.3
4/20 16:40	110.9	↓-2.6
4/20 16:50	108.2	↓-2.7
4/20 17:00	105.3	↓-2.9
4/20 17:10	102.2	↓-3.1
4/20 17:20	99.0	↓-3.2
4/20 17:30	95.6	↓-3.4
4/20 17:40	92.2	↓-3.4
4/20 17:50	88.7	↓-3.5
4/20 18:00	85.1	↓-3.6
4/20 18:10	81.5	↓-3.6
4/20 18:20	78.0	↓-3.5
4/20 18:30	74.4	↓-3.6
4/20 18:40	70.9	↓-3.5
4/20 18:50	67.5	↓-3.4
4/20 19:00	64.1	↓-3.4
4/20 19:10	60.9	↓-3.2
4/20 19:20	57.9	↓-3.0
4/20 19:30	55.0	↓-2.9
4/20 19:40	52.3	↓-2.7
4/20 19:50	49.8	↓-2.5
4/20 20:00	47.5	↓-2.3
4/20 20:10	45.5	↓-2.0
4/20 20:20	43.8	↓-1.7
4/20 20:30	42.3	↓-1.5
4/20 20:40	41.2	↓-1.1
4/20 20:50	40.3	↓-0.9
4/20 21:00	39.8	↓-0.5
4/20 21:10	39.5	↓-0.3	干潮
4/20 21:20	39.6	↑0.1
4/20 21:30	40.0	↑0.4
4/20 21:40	40.7	↑0.7
4/20 21:50	41.8	↑1.1
4/20 22:00	43.1	↑1.3
4/20 22:10	44.8	↑1.7
4/20 22:20	46.7	↑1.9
4/20 22:30	49.0	↑2.3
4/20 22:40	51.5	↑2.5
4/20 22:50	54.2	↑2.7
4/20 23:00	57.2	↑3.0
4/20 23:10	60.5	↑3.3
4/20 23:20	63.9	↑3.4
4/20 23:30	67.5	↑3.6
4/20 23:40	71.2	↑3.7
4/20 23:50	75.1	↑3.9	最大潮位差