13 (金)	10:35	02:50	20:27	15:11
	111cm	41cm	112cm	97cm
小潮 出 05:43 入 17:06 出 12:33 入 23:14

那珂湊（茨城）2051年10月13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
10/13 00:00	65.5	↓-2.7	最大潮位差
10/13 00:10	63.0	↓-2.5
10/13 00:20	60.5	↓-2.5
10/13 00:30	58.1	↓-2.4
10/13 00:40	55.8	↓-2.3
10/13 00:50	53.7	↓-2.1
10/13 01:00	51.7	↓-2.0
10/13 01:10	49.9	↓-1.8
10/13 01:20	48.2	↓-1.7
10/13 01:30	46.7	↓-1.5
10/13 01:40	45.3	↓-1.4
10/13 01:50	44.2	↓-1.1
10/13 02:00	43.2	↓-1.0
10/13 02:10	42.4	↓-0.8
10/13 02:20	41.8	↓-0.6
10/13 02:30	41.3	↓-0.5
10/13 02:40	41.1	↓-0.2	干潮
10/13 02:50	41.0	↓-0.1	干潮
10/13 03:00	41.1	↑0.1
10/13 03:10	41.4	↑0.3
10/13 03:20	41.8	↑0.4
10/13 03:30	42.4	↑0.6
10/13 03:40	43.2	↑0.8
10/13 03:50	44.1	↑0.9
10/13 04:00	45.2	↑1.1
10/13 04:10	46.4	↑1.2
10/13 04:20	47.8	↑1.4
10/13 04:30	49.2	↑1.4
10/13 04:40	50.8	↑1.6
10/13 04:50	52.6	↑1.8
10/13 05:00	54.4	↑1.8
10/13 05:10	56.3	↑1.9
10/13 05:20	58.3	↑2.0
10/13 05:30	60.4	↑2.1
10/13 05:40	62.5	↑2.1
10/13 05:50	64.7	↑2.2
10/13 06:00	67.0	↑2.3
10/13 06:10	69.3	↑2.3
10/13 06:20	71.6	↑2.3
10/13 06:30	74.0	↑2.4
10/13 06:40	76.4	↑2.4
10/13 06:50	78.7	↑2.3
10/13 07:00	81.1	↑2.4
10/13 07:10	83.4	↑2.3
10/13 07:20	85.7	↑2.3
10/13 07:30	88.0	↑2.3
10/13 07:40	90.2	↑2.2
10/13 07:50	92.3	↑2.1
10/13 08:00	94.4	↑2.1
10/13 08:10	96.4	↑2.0
10/13 08:20	98.2	↑1.8
10/13 08:30	100.0	↑1.8
10/13 08:40	101.6	↑1.6
10/13 08:50	103.2	↑1.6
10/13 09:00	104.6	↑1.4
10/13 09:10	105.8	↑1.2
10/13 09:20	106.9	↑1.1
10/13 09:30	107.9	↑1.0
10/13 09:40	108.7	↑0.8
10/13 09:50	109.4	↑0.7
10/13 10:00	110.0	↑0.6
10/13 10:10	110.4	↑0.4
10/13 10:20	110.6	↑0.2
10/13 10:30	110.7	↑0.1	満潮
10/13 10:40	110.7	0
10/13 10:50	110.6	↓-0.1
10/13 11:00	110.4	↓-0.2
10/13 11:10	110.0	↓-0.4
10/13 11:20	109.6	↓-0.4
10/13 11:30	109.0	↓-0.6
10/13 11:40	108.4	↓-0.6
10/13 11:50	107.8	↓-0.6
10/13 12:00	107.0	↓-0.8
10/13 12:10	106.3	↓-0.7
10/13 12:20	105.5	↓-0.8
10/13 12:30	104.7	↓-0.8
10/13 12:40	103.9	↓-0.8
10/13 12:50	103.1	↓-0.8
10/13 13:00	102.3	↓-0.8
10/13 13:10	101.5	↓-0.8
10/13 13:20	100.8	↓-0.7
10/13 13:30	100.1	↓-0.7
10/13 13:40	99.5	↓-0.6
10/13 13:50	98.9	↓-0.6
10/13 14:00	98.4	↓-0.5
10/13 14:10	97.9	↓-0.5
10/13 14:20	97.5	↓-0.4
10/13 14:30	97.2	↓-0.3
10/13 14:40	96.9	↓-0.3
10/13 14:50	96.7	↓-0.2
10/13 15:00	96.6	↓-0.1
10/13 15:10	96.6	0	干潮
10/13 15:20	96.6	0
10/13 15:30	96.7	↑0.1
10/13 15:40	96.9	↑0.2
10/13 15:50	97.1	↑0.2
10/13 16:00	97.4	↑0.3
10/13 16:10	97.8	↑0.4
10/13 16:20	98.2	↑0.4
10/13 16:30	98.6	↑0.4
10/13 16:40	99.1	↑0.5
10/13 16:50	99.7	↑0.6
10/13 17:00	100.3	↑0.6
10/13 17:10	100.9	↑0.6
10/13 17:20	101.6	↑0.7
10/13 17:30	102.2	↑0.6
10/13 17:40	103.0	↑0.8
10/13 17:50	103.7	↑0.7
10/13 18:00	104.4	↑0.7
10/13 18:10	105.1	↑0.7
10/13 18:20	105.9	↑0.8
10/13 18:30	106.6	↑0.7
10/13 18:40	107.3	↑0.7
10/13 18:50	108.0	↑0.7
10/13 19:00	108.6	↑0.6
10/13 19:10	109.2	↑0.6
10/13 19:20	109.8	↑0.6
10/13 19:30	110.3	↑0.5
10/13 19:40	110.8	↑0.5
10/13 19:50	111.1	↑0.3
10/13 20:00	111.4	↑0.3
10/13 20:10	111.6	↑0.2
10/13 20:20	111.8	↑0.2	満潮
10/13 20:30	111.8	0
10/13 20:40	111.7	↓-0.1
10/13 20:50	111.5	↓-0.2
10/13 21:00	111.1	↓-0.4
10/13 21:10	110.7	↓-0.4
10/13 21:20	110.1	↓-0.6
10/13 21:30	109.3	↓-0.8
10/13 21:40	108.5	↓-0.8
10/13 21:50	107.5	↓-1.0
10/13 22:00	106.3	↓-1.2
10/13 22:10	105.0	↓-1.3
10/13 22:20	103.6	↓-1.4
10/13 22:30	102.1	↓-1.5
10/13 22:40	100.4	↓-1.7
10/13 22:50	98.6	↓-1.8
10/13 23:00	96.7	↓-1.9
10/13 23:10	94.7	↓-2.0
10/13 23:20	92.6	↓-2.1
10/13 23:30	90.4	↓-2.2
10/13 23:40	88.2	↓-2.2
10/13 23:50	85.9	↓-2.3