20 (日)	10:30	19:46	-	-
	122cm	37cm	-	-
長潮 出 06:23 入 17:29 出 03:02 入 12:38

岩井袋（千葉）2028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	95.2	↑1.7
2/20 00:10	96.8	↑1.6
2/20 00:20	98.3	↑1.5
2/20 00:30	99.8	↑1.5
2/20 00:40	101.2	↑1.4
2/20 00:50	102.5	↑1.3
2/20 01:00	103.8	↑1.3
2/20 01:10	105.0	↑1.2
2/20 01:20	106.1	↑1.1
2/20 01:30	107.1	↑1.0
2/20 01:40	108.1	↑1.0
2/20 01:50	108.9	↑0.8
2/20 02:00	109.7	↑0.8
2/20 02:10	110.5	↑0.8
2/20 02:20	111.1	↑0.6
2/20 02:30	111.7	↑0.6
2/20 02:40	112.3	↑0.6
2/20 02:50	112.7	↑0.4
2/20 03:00	113.1	↑0.4
2/20 03:10	113.5	↑0.4
2/20 03:20	113.8	↑0.3
2/20 03:30	114.1	↑0.3
2/20 03:40	114.3	↑0.2
2/20 03:50	114.5	↑0.2
2/20 04:00	114.6	↑0.1
2/20 04:10	114.7	↑0.1
2/20 04:20	114.8	↑0.1
2/20 04:30	114.9	↑0.1
2/20 04:40	115.0	↑0.1
2/20 04:50	115.0	0
2/20 05:00	115.0	0
2/20 05:10	115.1	↑0.1
2/20 05:20	115.1	0
2/20 05:30	115.1	0
2/20 05:40	115.2	↑0.1
2/20 05:50	115.2	0
2/20 06:00	115.3	↑0.1
2/20 06:10	115.4	↑0.1
2/20 06:20	115.5	↑0.1
2/20 06:30	115.6	↑0.1
2/20 06:40	115.8	↑0.2
2/20 06:50	115.9	↑0.1
2/20 07:00	116.1	↑0.2
2/20 07:10	116.3	↑0.2
2/20 07:20	116.6	↑0.3
2/20 07:30	116.8	↑0.2
2/20 07:40	117.1	↑0.3
2/20 07:50	117.4	↑0.3
2/20 08:00	117.7	↑0.3
2/20 08:10	118.0	↑0.3
2/20 08:20	118.3	↑0.3
2/20 08:30	118.6	↑0.3
2/20 08:40	119.0	↑0.4
2/20 08:50	119.3	↑0.3
2/20 09:00	119.6	↑0.3
2/20 09:10	119.9	↑0.3
2/20 09:20	120.2	↑0.3
2/20 09:30	120.5	↑0.3
2/20 09:40	120.7	↑0.2
2/20 09:50	121.0	↑0.3
2/20 10:00	121.1	↑0.1
2/20 10:10	121.3	↑0.2
2/20 10:20	121.3	0	満潮
2/20 10:30	121.4	↑0.1	満潮
2/20 10:40	121.3	↓-0.1
2/20 10:50	121.2	↓-0.1
2/20 11:00	121.1	↓-0.1
2/20 11:10	120.8	↓-0.3
2/20 11:20	120.5	↓-0.3
2/20 11:30	120.1	↓-0.4
2/20 11:40	119.5	↓-0.6
2/20 11:50	118.9	↓-0.6
2/20 12:00	118.2	↓-0.7
2/20 12:10	117.4	↓-0.8
2/20 12:20	116.5	↓-0.9
2/20 12:30	115.5	↓-1.0
2/20 12:40	114.4	↓-1.1
2/20 12:50	113.2	↓-1.2
2/20 13:00	111.9	↓-1.3
2/20 13:10	110.4	↓-1.5
2/20 13:20	108.9	↓-1.5
2/20 13:30	107.2	↓-1.7
2/20 13:40	105.5	↓-1.7
2/20 13:50	103.6	↓-1.9
2/20 14:00	101.7	↓-1.9
2/20 14:10	99.7	↓-2.0
2/20 14:20	97.5	↓-2.2
2/20 14:30	95.3	↓-2.2
2/20 14:40	93.1	↓-2.2
2/20 14:50	90.7	↓-2.4
2/20 15:00	88.3	↓-2.4
2/20 15:10	85.9	↓-2.4
2/20 15:20	83.4	↓-2.5
2/20 15:30	80.8	↓-2.6
2/20 15:40	78.3	↓-2.5
2/20 15:50	75.7	↓-2.6
2/20 16:00	73.2	↓-2.5
2/20 16:10	70.6	↓-2.6
2/20 16:20	68.0	↓-2.6
2/20 16:30	65.5	↓-2.5
2/20 16:40	63.0	↓-2.5
2/20 16:50	60.6	↓-2.4
2/20 17:00	58.2	↓-2.4
2/20 17:10	55.9	↓-2.3
2/20 17:20	53.7	↓-2.2
2/20 17:30	51.5	↓-2.2
2/20 17:40	49.5	↓-2.0
2/20 17:50	47.6	↓-1.9
2/20 18:00	45.8	↓-1.8
2/20 18:10	44.1	↓-1.7
2/20 18:20	42.6	↓-1.5
2/20 18:30	41.2	↓-1.4
2/20 18:40	40.0	↓-1.2
2/20 18:50	38.9	↓-1.1
2/20 19:00	38.0	↓-0.9
2/20 19:10	37.3	↓-0.7
2/20 19:20	36.7	↓-0.6
2/20 19:30	36.3	↓-0.4
2/20 19:40	36.1	↓-0.2	干潮
2/20 19:50	36.1	0
2/20 20:00	36.3	↑0.2
2/20 20:10	36.7	↑0.4
2/20 20:20	37.2	↑0.5
2/20 20:30	38.0	↑0.8
2/20 20:40	38.9	↑0.9
2/20 20:50	40.0	↑1.1
2/20 21:00	41.2	↑1.2
2/20 21:10	42.7	↑1.5
2/20 21:20	44.3	↑1.6
2/20 21:30	46.0	↑1.7
2/20 21:40	47.9	↑1.9
2/20 21:50	49.9	↑2.0
2/20 22:00	52.1	↑2.2
2/20 22:10	54.4	↑2.3
2/20 22:20	56.7	↑2.3
2/20 22:30	59.2	↑2.5
2/20 22:40	61.8	↑2.6
2/20 22:50	64.5	↑2.7
2/20 23:00	67.2	↑2.7
2/20 23:10	69.9	↑2.7
2/20 23:20	72.7	↑2.8
2/20 23:30	75.5	↑2.8
2/20 23:40	78.4	↑2.9	最大潮位差
2/20 23:50	81.2	↑2.8