5 (木)	00:23	05:42	11:57	19:13
	96cm	70cm	120cm	39cm
若潮 出 06:34 入 16:24 出 13:20 入 02:01

那珂湊（茨城）2030年12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
12/5 00:00	94.9	↑0.4
12/5 00:10	95.1	↑0.2
12/5 00:20	95.2	↑0.1	満潮
12/5 00:30	95.2	0
12/5 00:40	95.0	↓-0.2
12/5 00:50	94.7	↓-0.3
12/5 01:00	94.2	↓-0.5
12/5 01:10	93.7	↓-0.5
12/5 01:20	93.0	↓-0.7
12/5 01:30	92.3	↓-0.7
12/5 01:40	91.4	↓-0.9
12/5 01:50	90.5	↓-0.9
12/5 02:00	89.5	↓-1.0
12/5 02:10	88.4	↓-1.1
12/5 02:20	87.3	↓-1.1
12/5 02:30	86.1	↓-1.2
12/5 02:40	84.9	↓-1.2
12/5 02:50	83.7	↓-1.2
12/5 03:00	82.5	↓-1.2
12/5 03:10	81.2	↓-1.3
12/5 03:20	80.0	↓-1.2
12/5 03:30	78.8	↓-1.2
12/5 03:40	77.6	↓-1.2
12/5 03:50	76.5	↓-1.1
12/5 04:00	75.4	↓-1.1
12/5 04:10	74.4	↓-1.0
12/5 04:20	73.4	↓-1.0
12/5 04:30	72.6	↓-0.8
12/5 04:40	71.8	↓-0.8
12/5 04:50	71.1	↓-0.7
12/5 05:00	70.5	↓-0.6
12/5 05:10	70.1	↓-0.4
12/5 05:20	69.7	↓-0.4
12/5 05:30	69.5	↓-0.2
12/5 05:40	69.4	↓-0.1	干潮
12/5 05:50	69.5	↑0.1
12/5 06:00	69.7	↑0.2
12/5 06:10	70.0	↑0.3
12/5 06:20	70.5	↑0.5
12/5 06:30	71.1	↑0.6
12/5 06:40	71.9	↑0.8
12/5 06:50	72.8	↑0.9
12/5 07:00	73.9	↑1.1
12/5 07:10	75.1	↑1.2
12/5 07:20	76.4	↑1.3
12/5 07:30	77.9	↑1.5
12/5 07:40	79.5	↑1.6
12/5 07:50	81.1	↑1.6
12/5 08:00	82.9	↑1.8
12/5 08:10	84.8	↑1.9
12/5 08:20	86.8	↑2.0
12/5 08:30	88.8	↑2.0
12/5 08:40	90.9	↑2.1
12/5 08:50	93.1	↑2.2
12/5 09:00	95.2	↑2.1
12/5 09:10	97.3	↑2.1
12/5 09:20	99.5	↑2.2
12/5 09:30	101.6	↑2.1
12/5 09:40	103.7	↑2.1
12/5 09:50	105.7	↑2.0
12/5 10:00	107.6	↑1.9
12/5 10:10	109.4	↑1.8
12/5 10:20	111.2	↑1.8
12/5 10:30	112.8	↑1.6
12/5 10:40	114.2	↑1.4
12/5 10:50	115.6	↑1.4
12/5 11:00	116.7	↑1.1
12/5 11:10	117.7	↑1.0
12/5 11:20	118.5	↑0.8
12/5 11:30	119.2	↑0.7
12/5 11:40	119.6	↑0.4
12/5 11:50	119.8	↑0.2	満潮
12/5 12:00	119.8	0
12/5 12:10	119.7	↓-0.1
12/5 12:20	119.3	↓-0.4
12/5 12:30	118.7	↓-0.6
12/5 12:40	117.9	↓-0.8
12/5 12:50	116.9	↓-1.0
12/5 13:00	115.7	↓-1.2
12/5 13:10	114.4	↓-1.3
12/5 13:20	112.8	↓-1.6
12/5 13:30	111.1	↓-1.7
12/5 13:40	109.2	↓-1.9
12/5 13:50	107.1	↓-2.1
12/5 14:00	104.9	↓-2.2
12/5 14:10	102.6	↓-2.3
12/5 14:20	100.2	↓-2.4
12/5 14:30	97.6	↓-2.6
12/5 14:40	94.9	↓-2.7
12/5 14:50	92.2	↓-2.7
12/5 15:00	89.4	↓-2.8
12/5 15:10	86.5	↓-2.9	最大潮位差
12/5 15:20	83.6	↓-2.9	最大潮位差
12/5 15:30	80.7	↓-2.9	最大潮位差
12/5 15:40	77.8	↓-2.9	最大潮位差
12/5 15:50	74.9	↓-2.9	最大潮位差
12/5 16:00	72.0	↓-2.9	最大潮位差
12/5 16:10	69.1	↓-2.9	最大潮位差
12/5 16:20	66.3	↓-2.8
12/5 16:30	63.5	↓-2.8
12/5 16:40	60.8	↓-2.7
12/5 16:50	58.2	↓-2.6
12/5 17:00	55.7	↓-2.5
12/5 17:10	53.4	↓-2.3
12/5 17:20	51.2	↓-2.2
12/5 17:30	49.1	↓-2.1
12/5 17:40	47.1	↓-2.0
12/5 17:50	45.4	↓-1.7
12/5 18:00	43.8	↓-1.6
12/5 18:10	42.4	↓-1.4
12/5 18:20	41.2	↓-1.2
12/5 18:30	40.2	↓-1.0
12/5 18:40	39.4	↓-0.8
12/5 18:50	38.9	↓-0.5
12/5 19:00	38.5	↓-0.4
12/5 19:10	38.4	↓-0.1	干潮
12/5 19:20	38.4	0
12/5 19:30	38.7	↑0.3
12/5 19:40	39.2	↑0.5
12/5 19:50	39.9	↑0.7
12/5 20:00	40.8	↑0.9
12/5 20:10	42.0	↑1.2
12/5 20:20	43.3	↑1.3
12/5 20:30	44.7	↑1.4
12/5 20:40	46.4	↑1.7
12/5 20:50	48.2	↑1.8
12/5 21:00	50.1	↑1.9
12/5 21:10	52.2	↑2.1
12/5 21:20	54.4	↑2.2
12/5 21:30	56.7	↑2.3
12/5 21:40	59.0	↑2.3
12/5 21:50	61.5	↑2.5
12/5 22:00	63.9	↑2.4
12/5 22:10	66.4	↑2.5
12/5 22:20	68.9	↑2.5
12/5 22:30	71.4	↑2.5
12/5 22:40	73.9	↑2.5
12/5 22:50	76.3	↑2.4
12/5 23:00	78.7	↑2.4
12/5 23:10	81.0	↑2.3
12/5 23:20	83.2	↑2.2
12/5 23:30	85.4	↑2.2
12/5 23:40	87.4	↑2.0
12/5 23:50	89.3	↑1.9