5 (土)	05:52	12:04	18:19	-
	139cm	47cm	131cm	-
中潮 出 05:13 入 18:01 出 08:31 入 20:16

那珂湊（茨城）2054年09月5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
9/5 00:00	54.1	↑0.6
9/5 00:10	54.9	↑0.8
9/5 00:20	56.0	↑1.1
9/5 00:30	57.4	↑1.4
9/5 00:40	59.0	↑1.6
9/5 00:50	60.9	↑1.9
9/5 01:00	63.1	↑2.2
9/5 01:10	65.4	↑2.3
9/5 01:20	68.0	↑2.6
9/5 01:30	70.8	↑2.8
9/5 01:40	73.7	↑2.9
9/5 01:50	76.8	↑3.1
9/5 02:00	80.0	↑3.2
9/5 02:10	83.3	↑3.3
9/5 02:20	86.7	↑3.4
9/5 02:30	90.2	↑3.5
9/5 02:40	93.7	↑3.5
9/5 02:50	97.2	↑3.5
9/5 03:00	100.8	↑3.6
9/5 03:10	104.2	↑3.4
9/5 03:20	107.7	↑3.5
9/5 03:30	111.1	↑3.4
9/5 03:40	114.3	↑3.2
9/5 03:50	117.5	↑3.2
9/5 04:00	120.5	↑3.0
9/5 04:10	123.3	↑2.8
9/5 04:20	125.9	↑2.6
9/5 04:30	128.4	↑2.5
9/5 04:40	130.6	↑2.2
9/5 04:50	132.5	↑1.9
9/5 05:00	134.2	↑1.7
9/5 05:10	135.6	↑1.4
9/5 05:20	136.7	↑1.1
9/5 05:30	137.6	↑0.9
9/5 05:40	138.1	↑0.5
9/5 05:50	138.3	↑0.2	満潮
9/5 06:00	138.2	↓-0.1
9/5 06:10	137.7	↓-0.5
9/5 06:20	136.9	↓-0.8
9/5 06:30	135.8	↓-1.1
9/5 06:40	134.4	↓-1.4
9/5 06:50	132.7	↓-1.7
9/5 07:00	130.7	↓-2.0
9/5 07:10	128.4	↓-2.3
9/5 07:20	125.9	↓-2.5
9/5 07:30	123.1	↓-2.8
9/5 07:40	120.0	↓-3.1
9/5 07:50	116.8	↓-3.2
9/5 08:00	113.4	↓-3.4
9/5 08:10	109.8	↓-3.6
9/5 08:20	106.1	↓-3.7
9/5 08:30	102.3	↓-3.8
9/5 08:40	98.4	↓-3.9
9/5 08:50	94.5	↓-3.9
9/5 09:00	90.5	↓-4.0	最大潮位差
9/5 09:10	86.6	↓-3.9
9/5 09:20	82.7	↓-3.9
9/5 09:30	78.9	↓-3.8
9/5 09:40	75.2	↓-3.7
9/5 09:50	71.7	↓-3.5
9/5 10:00	68.3	↓-3.4
9/5 10:10	65.0	↓-3.3
9/5 10:20	62.0	↓-3.0
9/5 10:30	59.2	↓-2.8
9/5 10:40	56.6	↓-2.6
9/5 10:50	54.3	↓-2.3
9/5 11:00	52.2	↓-2.1
9/5 11:10	50.5	↓-1.7
9/5 11:20	49.0	↓-1.5
9/5 11:30	47.9	↓-1.1
9/5 11:40	47.0	↓-0.9
9/5 11:50	46.5	↓-0.5
9/5 12:00	46.2	↓-0.3	干潮
9/5 12:10	46.3	↑0.1
9/5 12:20	46.7	↑0.4
9/5 12:30	47.3	↑0.6
9/5 12:40	48.3	↑1.0
9/5 12:50	49.5	↑1.2
9/5 13:00	51.0	↑1.5
9/5 13:10	52.8	↑1.8
9/5 13:20	54.8	↑2.0
9/5 13:30	57.1	↑2.3
9/5 13:40	59.5	↑2.4
9/5 13:50	62.2	↑2.7
9/5 14:00	65.0	↑2.8
9/5 14:10	68.0	↑3.0
9/5 14:20	71.1	↑3.1
9/5 14:30	74.3	↑3.2
9/5 14:40	77.6	↑3.3
9/5 14:50	81.1	↑3.5
9/5 15:00	84.5	↑3.4
9/5 15:10	88.0	↑3.5
9/5 15:20	91.5	↑3.5
9/5 15:30	94.9	↑3.4
9/5 15:40	98.4	↑3.5
9/5 15:50	101.7	↑3.3
9/5 16:00	105.0	↑3.3
9/5 16:10	108.2	↑3.2
9/5 16:20	111.2	↑3.0
9/5 16:30	114.1	↑2.9
9/5 16:40	116.8	↑2.7
9/5 16:50	119.3	↑2.5
9/5 17:00	121.6	↑2.3
9/5 17:10	123.7	↑2.1
9/5 17:20	125.5	↑1.8
9/5 17:30	127.1	↑1.6
9/5 17:40	128.3	↑1.2
9/5 17:50	129.3	↑1.0
9/5 18:00	130.0	↑0.7
9/5 18:10	130.5	↑0.5	満潮
9/5 18:20	130.5	0
9/5 18:30	130.3	↓-0.2
9/5 18:40	129.8	↓-0.5
9/5 18:50	129.0	↓-0.8
9/5 19:00	127.9	↓-1.1
9/5 19:10	126.4	↓-1.5
9/5 19:20	124.7	↓-1.7
9/5 19:30	122.7	↓-2.0
9/5 19:40	120.5	↓-2.2
9/5 19:50	118.0	↓-2.5
9/5 20:00	115.3	↓-2.7
9/5 20:10	112.4	↓-2.9
9/5 20:20	109.4	↓-3.0
9/5 20:30	106.1	↓-3.3
9/5 20:40	102.8	↓-3.3
9/5 20:50	99.3	↓-3.5
9/5 21:00	95.8	↓-3.5
9/5 21:10	92.3	↓-3.5
9/5 21:20	88.7	↓-3.6
9/5 21:30	85.1	↓-3.6
9/5 21:40	81.6	↓-3.5
9/5 21:50	78.2	↓-3.4
9/5 22:00	74.8	↓-3.4
9/5 22:10	71.6	↓-3.2
9/5 22:20	68.5	↓-3.1
9/5 22:30	65.6	↓-2.9
9/5 22:40	62.9	↓-2.7
9/5 22:50	60.4	↓-2.5
9/5 23:00	58.1	↓-2.3
9/5 23:10	56.0	↓-2.1
9/5 23:20	54.2	↓-1.8
9/5 23:30	52.7	↓-1.5
9/5 23:40	51.5	↓-1.2
9/5 23:50	50.5	↓-1.0