1 (月)	11:09	02:59	20:01	14:27
	109cm	41cm	117cm	104cm
小潮 出 05:33 入 17:23 出 23:06 入 12:55

那珂湊（茨城）2029年10月1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
10/1 00:00	66.5	↓-2.7	最大潮位差
10/1 00:10	63.8	↓-2.7	最大潮位差
10/1 00:20	61.3	↓-2.5
10/1 00:30	58.9	↓-2.4
10/1 00:40	56.5	↓-2.4
10/1 00:50	54.3	↓-2.2
10/1 01:00	52.3	↓-2.0
10/1 01:10	50.4	↓-1.9
10/1 01:20	48.6	↓-1.8
10/1 01:30	47.0	↓-1.6
10/1 01:40	45.5	↓-1.5
10/1 01:50	44.3	↓-1.2
10/1 02:00	43.2	↓-1.1
10/1 02:10	42.3	↓-0.9
10/1 02:20	41.5	↓-0.8
10/1 02:30	40.9	↓-0.6
10/1 02:40	40.6	↓-0.3
10/1 02:50	40.3	↓-0.3	干潮
10/1 03:00	40.3	0
10/1 03:10	40.4	↑0.1
10/1 03:20	40.7	↑0.3
10/1 03:30	41.1	↑0.4
10/1 03:40	41.7	↑0.6
10/1 03:50	42.5	↑0.8
10/1 04:00	43.4	↑0.9
10/1 04:10	44.4	↑1.0
10/1 04:20	45.6	↑1.2
10/1 04:30	46.9	↑1.3
10/1 04:40	48.3	↑1.4
10/1 04:50	49.8	↑1.5
10/1 05:00	51.4	↑1.6
10/1 05:10	53.1	↑1.7
10/1 05:20	54.9	↑1.8
10/1 05:30	56.8	↑1.9
10/1 05:40	58.8	↑2.0
10/1 05:50	60.8	↑2.0
10/1 06:00	62.9	↑2.1
10/1 06:10	65.0	↑2.1
10/1 06:20	67.2	↑2.2
10/1 06:30	69.4	↑2.2
10/1 06:40	71.6	↑2.2
10/1 06:50	73.8	↑2.2
10/1 07:00	76.1	↑2.3
10/1 07:10	78.3	↑2.2
10/1 07:20	80.5	↑2.2
10/1 07:30	82.7	↑2.2
10/1 07:40	84.8	↑2.1
10/1 07:50	86.9	↑2.1
10/1 08:00	89.0	↑2.1
10/1 08:10	90.9	↑1.9
10/1 08:20	92.8	↑1.9
10/1 08:30	94.6	↑1.8
10/1 08:40	96.3	↑1.7
10/1 08:50	97.9	↑1.6
10/1 09:00	99.4	↑1.5
10/1 09:10	100.8	↑1.4
10/1 09:20	102.1	↑1.3
10/1 09:30	103.2	↑1.1
10/1 09:40	104.3	↑1.1
10/1 09:50	105.2	↑0.9
10/1 10:00	106.0	↑0.8
10/1 10:10	106.6	↑0.6
10/1 10:20	107.2	↑0.6
10/1 10:30	107.6	↑0.4
10/1 10:40	107.9	↑0.3
10/1 10:50	108.1	↑0.2
10/1 11:00	108.2	↑0.1	満潮
10/1 11:10	108.3	↑0.1
10/1 11:20	108.2	↓-0.1
10/1 11:30	108.1	↓-0.1
10/1 11:40	107.9	↓-0.2
10/1 11:50	107.6	↓-0.3
10/1 12:00	107.3	↓-0.3
10/1 12:10	107.0	↓-0.3
10/1 12:20	106.7	↓-0.3
10/1 12:30	106.3	↓-0.4
10/1 12:40	105.9	↓-0.4
10/1 12:50	105.6	↓-0.3
10/1 13:00	105.2	↓-0.4
10/1 13:10	104.9	↓-0.3
10/1 13:20	104.5	↓-0.4
10/1 13:30	104.3	↓-0.2
10/1 13:40	104.0	↓-0.3
10/1 13:50	103.8	↓-0.2
10/1 14:00	103.6	↓-0.2
10/1 14:10	103.5	↓-0.1
10/1 14:20	103.5	0	干潮
10/1 14:30	103.5	0
10/1 14:40	103.5	0
10/1 14:50	103.6	↑0.1
10/1 15:00	103.8	↑0.2
10/1 15:10	104.0	↑0.2
10/1 15:20	104.2	↑0.2
10/1 15:30	104.5	↑0.3
10/1 15:40	104.9	↑0.4
10/1 15:50	105.2	↑0.3
10/1 16:00	105.7	↑0.5
10/1 16:10	106.1	↑0.4
10/1 16:20	106.6	↑0.5
10/1 16:30	107.1	↑0.5
10/1 16:40	107.7	↑0.6
10/1 16:50	108.2	↑0.5
10/1 17:00	108.8	↑0.6
10/1 17:10	109.4	↑0.6
10/1 17:20	110.0	↑0.6
10/1 17:30	110.6	↑0.6
10/1 17:40	111.2	↑0.6
10/1 17:50	111.8	↑0.6
10/1 18:00	112.4	↑0.6
10/1 18:10	113.0	↑0.6
10/1 18:20	113.5	↑0.5
10/1 18:30	114.1	↑0.6
10/1 18:40	114.6	↑0.5
10/1 18:50	115.1	↑0.5
10/1 19:00	115.5	↑0.4
10/1 19:10	115.9	↑0.4
10/1 19:20	116.2	↑0.3
10/1 19:30	116.5	↑0.3
10/1 19:40	116.7	↑0.2
10/1 19:50	116.8	↑0.1
10/1 20:00	116.8	0	満潮
10/1 20:10	116.8	0
10/1 20:20	116.6	↓-0.2
10/1 20:30	116.4	↓-0.2
10/1 20:40	116.0	↓-0.4
10/1 20:50	115.6	↓-0.4
10/1 21:00	115.0	↓-0.6
10/1 21:10	114.3	↓-0.7
10/1 21:20	113.5	↓-0.8
10/1 21:30	112.5	↓-1.0
10/1 21:40	111.4	↓-1.1
10/1 21:50	110.2	↓-1.2
10/1 22:00	108.8	↓-1.4
10/1 22:10	107.4	↓-1.4
10/1 22:20	105.8	↓-1.6
10/1 22:30	104.0	↓-1.8
10/1 22:40	102.2	↓-1.8
10/1 22:50	100.3	↓-1.9
10/1 23:00	98.2	↓-2.1
10/1 23:10	96.1	↓-2.1
10/1 23:20	93.9	↓-2.2
10/1 23:30	91.6	↓-2.3
10/1 23:40	89.2	↓-2.4
10/1 23:50	86.8	↓-2.4