6 (火)	05:53	12:02	18:20	-
	134cm	49cm	130cm	-
中潮 出 05:13 入 18:00 出 20:07 入 08:19

那珂湊（茨城）2039年09月6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
9/6 00:00	57.8	↑0.3
9/6 00:10	58.3	↑0.5
9/6 00:20	59.2	↑0.9
9/6 00:30	60.3	↑1.1
9/6 00:40	61.6	↑1.3
9/6 00:50	63.2	↑1.6
9/6 01:00	65.0	↑1.8
9/6 01:10	67.0	↑2.0
9/6 01:20	69.2	↑2.2
9/6 01:30	71.6	↑2.4
9/6 01:40	74.2	↑2.6
9/6 01:50	76.9	↑2.7
9/6 02:00	79.8	↑2.9
9/6 02:10	82.8	↑3.0
9/6 02:20	85.8	↑3.0
9/6 02:30	88.9	↑3.1
9/6 02:40	92.1	↑3.2
9/6 02:50	95.3	↑3.2
9/6 03:00	98.5	↑3.2
9/6 03:10	101.7	↑3.2
9/6 03:20	104.8	↑3.1
9/6 03:30	107.9	↑3.1
9/6 03:40	110.9	↑3.0
9/6 03:50	113.8	↑2.9
9/6 04:00	116.5	↑2.7
9/6 04:10	119.1	↑2.6
9/6 04:20	121.6	↑2.5
9/6 04:30	123.8	↑2.2
9/6 04:40	125.9	↑2.1
9/6 04:50	127.7	↑1.8
9/6 05:00	129.3	↑1.6
9/6 05:10	130.6	↑1.3
9/6 05:20	131.7	↑1.1
9/6 05:30	132.4	↑0.7
9/6 05:40	132.9	↑0.5
9/6 05:50	133.1	↑0.2	満潮
9/6 06:00	133.1	0
9/6 06:10	132.7	↓-0.4
9/6 06:20	132.0	↓-0.7
9/6 06:30	131.0	↓-1.0
9/6 06:40	129.7	↓-1.3
9/6 06:50	128.1	↓-1.6
9/6 07:00	126.3	↓-1.8
9/6 07:10	124.2	↓-2.1
9/6 07:20	121.8	↓-2.4
9/6 07:30	119.3	↓-2.5
9/6 07:40	116.5	↓-2.8
9/6 07:50	113.5	↓-3.0
9/6 08:00	110.3	↓-3.2
9/6 08:10	107.0	↓-3.3
9/6 08:20	103.5	↓-3.5
9/6 08:30	100.0	↓-3.5
9/6 08:40	96.4	↓-3.6
9/6 08:50	92.8	↓-3.6
9/6 09:00	89.1	↓-3.7	最大潮位差
9/6 09:10	85.5	↓-3.6
9/6 09:20	81.9	↓-3.6
9/6 09:30	78.4	↓-3.5
9/6 09:40	74.9	↓-3.5
9/6 09:50	71.6	↓-3.3
9/6 10:00	68.5	↓-3.1
9/6 10:10	65.5	↓-3.0
9/6 10:20	62.7	↓-2.8
9/6 10:30	60.1	↓-2.6
9/6 10:40	57.7	↓-2.4
9/6 10:50	55.6	↓-2.1
9/6 11:00	53.7	↓-1.9
9/6 11:10	52.1	↓-1.6
9/6 11:20	50.8	↓-1.3
9/6 11:30	49.7	↓-1.1
9/6 11:40	49.0	↓-0.7
9/6 11:50	48.5	↓-0.5
9/6 12:00	48.3	↓-0.2	干潮
9/6 12:10	48.4	↑0.1
9/6 12:20	48.8	↑0.4
9/6 12:30	49.5	↑0.7
9/6 12:40	50.5	↑1.0
9/6 12:50	51.7	↑1.2
9/6 13:00	53.2	↑1.5
9/6 13:10	54.9	↑1.7
9/6 13:20	56.8	↑1.9
9/6 13:30	59.0	↑2.2
9/6 13:40	61.3	↑2.3
9/6 13:50	63.9	↑2.6
9/6 14:00	66.6	↑2.7
9/6 14:10	69.5	↑2.9
9/6 14:20	72.5	↑3.0
9/6 14:30	75.6	↑3.1
9/6 14:40	78.8	↑3.2
9/6 14:50	82.0	↑3.2
9/6 15:00	85.3	↑3.3
9/6 15:10	88.7	↑3.4
9/6 15:20	92.0	↑3.3
9/6 15:30	95.3	↑3.3
9/6 15:40	98.6	↑3.3
9/6 15:50	101.9	↑3.3
9/6 16:00	105.0	↑3.1
9/6 16:10	108.0	↑3.0
9/6 16:20	110.9	↑2.9
9/6 16:30	113.7	↑2.8
9/6 16:40	116.3	↑2.6
9/6 16:50	118.7	↑2.4
9/6 17:00	121.0	↑2.3
9/6 17:10	123.0	↑2.0
9/6 17:20	124.7	↑1.7
9/6 17:30	126.2	↑1.5
9/6 17:40	127.5	↑1.3
9/6 17:50	128.5	↑1.0
9/6 18:00	129.2	↑0.7
9/6 18:10	129.6	↑0.4	満潮
9/6 18:20	129.7	↑0.1	満潮
9/6 18:30	129.6	↓-0.1
9/6 18:40	129.1	↓-0.5
9/6 18:50	128.4	↓-0.7
9/6 19:00	127.3	↓-1.1
9/6 19:10	126.0	↓-1.3
9/6 19:20	124.4	↓-1.6
9/6 19:30	122.6	↓-1.8
9/6 19:40	120.5	↓-2.1
9/6 19:50	118.2	↓-2.3
9/6 20:00	115.7	↓-2.5
9/6 20:10	113.0	↓-2.7
9/6 20:20	110.1	↓-2.9
9/6 20:30	107.0	↓-3.1
9/6 20:40	103.9	↓-3.1
9/6 20:50	100.7	↓-3.2
9/6 21:00	97.4	↓-3.3
9/6 21:10	94.0	↓-3.4
9/6 21:20	90.6	↓-3.4
9/6 21:30	87.3	↓-3.3
9/6 21:40	84.0	↓-3.3
9/6 21:50	80.7	↓-3.3
9/6 22:00	77.6	↓-3.1
9/6 22:10	74.5	↓-3.1
9/6 22:20	71.6	↓-2.9
9/6 22:30	68.9	↓-2.7
9/6 22:40	66.3	↓-2.6
9/6 22:50	63.9	↓-2.4
9/6 23:00	61.8	↓-2.1
9/6 23:10	59.8	↓-2.0
9/6 23:20	58.1	↓-1.7
9/6 23:30	56.7	↓-1.4
9/6 23:40	55.5	↓-1.2
9/6 23:50	54.5	↓-1.0