20 (木)	07:03	00:14	17:50	12:00
	118cm	37cm	130cm	82cm
中潮 出 05:24 入 17:39 出 19:51 入 09:52

那珂湊（茨城）2046年09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
9/20 00:00	37.0	↓-0.6
9/20 00:10	36.8	↓-0.2	干潮
9/20 00:20	36.9	↑0.1
9/20 00:30	37.2	↑0.3
9/20 00:40	37.8	↑0.6
9/20 00:50	38.6	↑0.8
9/20 01:00	39.7	↑1.1
9/20 01:10	41.1	↑1.4
9/20 01:20	42.6	↑1.5
9/20 01:30	44.4	↑1.8
9/20 01:40	46.4	↑2.0
9/20 01:50	48.6	↑2.2
9/20 02:00	50.9	↑2.3
9/20 02:10	53.4	↑2.5
9/20 02:20	56.0	↑2.6
9/20 02:30	58.8	↑2.8
9/20 02:40	61.6	↑2.8
9/20 02:50	64.6	↑3.0
9/20 03:00	67.6	↑3.0
9/20 03:10	70.6	↑3.0
9/20 03:20	73.7	↑3.1
9/20 03:30	76.8	↑3.1
9/20 03:40	79.9	↑3.1
9/20 03:50	82.9	↑3.0
9/20 04:00	86.0	↑3.1
9/20 04:10	88.9	↑2.9
9/20 04:20	91.8	↑2.9
9/20 04:30	94.7	↑2.9
9/20 04:40	97.4	↑2.7
9/20 04:50	100.0	↑2.6
9/20 05:00	102.4	↑2.4
9/20 05:10	104.7	↑2.3
9/20 05:20	106.9	↑2.2
9/20 05:30	108.9	↑2.0
9/20 05:40	110.7	↑1.8
9/20 05:50	112.3	↑1.6
9/20 06:00	113.8	↑1.5
9/20 06:10	115.0	↑1.2
9/20 06:20	116.0	↑1.0
9/20 06:30	116.8	↑0.8
9/20 06:40	117.4	↑0.6
9/20 06:50	117.8	↑0.4
9/20 07:00	117.9	↑0.1	満潮
9/20 07:10	117.8	↓-0.1
9/20 07:20	117.6	↓-0.2
9/20 07:30	117.1	↓-0.5
9/20 07:40	116.4	↓-0.7
9/20 07:50	115.5	↓-0.9
9/20 08:00	114.5	↓-1.0
9/20 08:10	113.3	↓-1.2
9/20 08:20	111.9	↓-1.4
9/20 08:30	110.4	↓-1.5
9/20 08:40	108.8	↓-1.6
9/20 08:50	107.1	↓-1.7
9/20 09:00	105.3	↓-1.8
9/20 09:10	103.5	↓-1.8
9/20 09:20	101.6	↓-1.9
9/20 09:30	99.7	↓-1.9
9/20 09:40	97.8	↓-1.9
9/20 09:50	95.9	↓-1.9
9/20 10:00	94.1	↓-1.8
9/20 10:10	92.4	↓-1.7
9/20 10:20	90.7	↓-1.7
9/20 10:30	89.1	↓-1.6
9/20 10:40	87.7	↓-1.4
9/20 10:50	86.4	↓-1.3
9/20 11:00	85.2	↓-1.2
9/20 11:10	84.2	↓-1.0
9/20 11:20	83.4	↓-0.8
9/20 11:30	82.8	↓-0.6
9/20 11:40	82.3	↓-0.5
9/20 11:50	82.0	↓-0.3	干潮
9/20 12:00	82.0	0	干潮
9/20 12:10	82.1	↑0.1
9/20 12:20	82.4	↑0.3
9/20 12:30	82.9	↑0.5
9/20 12:40	83.6	↑0.7
9/20 12:50	84.5	↑0.9
9/20 13:00	85.5	↑1.0
9/20 13:10	86.8	↑1.3
9/20 13:20	88.1	↑1.3
9/20 13:30	89.6	↑1.5
9/20 13:40	91.3	↑1.7
9/20 13:50	93.0	↑1.7
9/20 14:00	94.9	↑1.9
9/20 14:10	96.8	↑1.9
9/20 14:20	98.8	↑2.0
9/20 14:30	100.8	↑2.0
9/20 14:40	102.9	↑2.1
9/20 14:50	105.0	↑2.1
9/20 15:00	107.1	↑2.1
9/20 15:10	109.2	↑2.1
9/20 15:20	111.3	↑2.1
9/20 15:30	113.3	↑2.0
9/20 15:40	115.3	↑2.0
9/20 15:50	117.2	↑1.9
9/20 16:00	119.1	↑1.9
9/20 16:10	120.8	↑1.7
9/20 16:20	122.4	↑1.6
9/20 16:30	123.9	↑1.5
9/20 16:40	125.2	↑1.3
9/20 16:50	126.4	↑1.2
9/20 17:00	127.5	↑1.1
9/20 17:10	128.3	↑0.8
9/20 17:20	129.0	↑0.7
9/20 17:30	129.5	↑0.5
9/20 17:40	129.8	↑0.3	満潮
9/20 17:50	129.8	0	満潮
9/20 18:00	129.7	↓-0.1
9/20 18:10	129.3	↓-0.4
9/20 18:20	128.7	↓-0.6
9/20 18:30	127.9	↓-0.8
9/20 18:40	126.9	↓-1.0
9/20 18:50	125.6	↓-1.3
9/20 19:00	124.1	↓-1.5
9/20 19:10	122.4	↓-1.7
9/20 19:20	120.4	↓-2.0
9/20 19:30	118.3	↓-2.1
9/20 19:40	115.9	↓-2.4
9/20 19:50	113.4	↓-2.5
9/20 20:00	110.6	↓-2.8
9/20 20:10	107.7	↓-2.9
9/20 20:20	104.6	↓-3.1
9/20 20:30	101.4	↓-3.2
9/20 20:40	98.1	↓-3.3
9/20 20:50	94.6	↓-3.5
9/20 21:00	91.1	↓-3.5
9/20 21:10	87.5	↓-3.6
9/20 21:20	83.9	↓-3.6
9/20 21:30	80.2	↓-3.7	最大潮位差
9/20 21:40	76.6	↓-3.6
9/20 21:50	73.0	↓-3.6
9/20 22:00	69.4	↓-3.6
9/20 22:10	65.9	↓-3.5
9/20 22:20	62.6	↓-3.3
9/20 22:30	59.3	↓-3.3
9/20 22:40	56.2	↓-3.1
9/20 22:50	53.2	↓-3.0
9/20 23:00	50.4	↓-2.8
9/20 23:10	47.9	↓-2.5
9/20 23:20	45.5	↓-2.4
9/20 23:30	43.3	↓-2.2
9/20 23:40	41.4	↓-1.9
9/20 23:50	39.7	↓-1.7